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#1237219 W-body.com Decal thread!

Posted by White93z34 on 30 April 2017 - 01:26 AM

After a long time of these not being made, We now have new decals for sale!

 

decal2.jpg

decal3.jpg

decal1.jpg

 

All prices are Shipped inside the USA and Canada. Anywhere else please let me know first.

 

Prices are for a right/left pair

 

White: $10

Metallic Silver: $12

 

Any other colour requests let me know, If there is enough demand I can get other colours done.

 

All profits will go back to operation of the forum

To buy, PM me, I accept Paypal.

 

I didn't get a large run done this time around, so get in early but there will be more on the way regardless.


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#1233941 New to me 1996 Grand Prix SE, need thoughts

Posted by crunkGP96 on 15 March 2017 - 11:14 PM

Welcome! My favorite body style of the GP's. Im on my second one. Running like a champ! I'd add polished wheels, wider tires, tint the windows and just leave it alone but what do I know.. lol 3d2116c7be9d8824351fc051e96f932d.jpg Sent from my iPhone using Tapatalk
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#1225829 Will our cars become classics?

Posted by cdn_olds_94 on 05 October 2016 - 02:38 AM

The comments on that are they way I see public opinion on our chassis, I still say there won't ever be any value to them as collector cars.

Our cars are "accidental" finds for most people and they fall in love or hate with them but the average person only has passing knowledge of them at best.

It's their loss really, the W-Body has so much to offer and so many different directions they can be built.

Everybody has a story about the time they got smacked down by a CamEro or some other "Sports" car: "I ran with it", "I would have had it but...", "That thing wasn't stock", to this day I've never been with a group of guys where somebody admitted having their ass handed to them by a W-Body out of embarrassment. But we all know it happens and with some frequency.

 

I like the term " accidental finds ". That is how I got my 94 Olds Cutlass Convertible. I liked the vert in the Valvoline commercial a few years back, and thought that If I ever came across one at a descent price I'd think about buying it. Well, my son's friend from high school's father pass away suddenly two years ago. He owned a 94 vert. His kids didn't want it so they offered the car to my son for 1000 dollars, and he bought it. This car was in amazing shape. Never winter driven and just a bit of surface rust on the back quarters. But it was in need of a new convertible roof. My son put the car in storage for the winter, and in the spring offered it to me for what he paid for it. Since getting the car, I've fixed the quarters, and replaced the roof. and fixed a couple of other little things on the car. I love this car. It drives great and once on the highway, the 3.4 DOHC really kicks in and she just sails along. Yea, some parts are hard to find, but I haven;t had any problems finding everyday stuff. Body parts are another thing, and I've been thinking about looking for another one for a parts car.  Will these cars be collectors items ? Who knows, maybe, maybe not. But I'm having fun with mine.


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#1227885 LQ1 cam retarded ?

Posted by Nas Escobar on 23 November 2016 - 02:32 AM

The whole LQ1 is special not just the cam lol
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#1218618 replacing wheel bearings - no torque wrench

Posted by Imp558 on 26 May 2016 - 05:44 AM

This thread is beyond asinine, I own a toilet but I don't shit my pants and make a mess out of convenience. Nor do I declare how well my previous pant pooping endeavors worked out to justify my actions.
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#1215146 2016 Hosting Donations Goal Reached!

Posted by LukeZ34 on 31 March 2016 - 04:13 PM

We have reached our donations goal for 2016 hosting costs! A huge THANK YOU to everyone who donated to the website. Without those donations, this site would not be able to operate and continue to be as great as it is today. We've had a long running history, and with the generosity of our members, we will continue that tradition!


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#1238155 DOH, pulled a connector while filling up freon

Posted by 95whitevert on 17 May 2017 - 03:12 AM

YAY!  Thanks for the info.  BTW I just put the convertible back on the road.  It has been about 2 years since I driven it more than a couple of miles.  Completely re-did the underneath, replaced the fuel lines, gas tank, brake lines and removed about hundred pounds of rust from everything else under there and then coated the entire bottom.  Replaced the rear window moldings, got the interior lights working, fixed the windshield molding and replaced the antenna.  Hopefully that keeps her on the road for a few more years.  While she isn't 1969 Cutlass, I see more of them on the road than I do my 1995 :)


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#1232914 Money Pit Horror Story: 2004 Pontiac Grand Prix GTP

Posted by digitaloutsider on 27 February 2017 - 01:10 AM

Sounds like this incredibly pointless thread has run it's course.

 

Don't know how I missed this trainwreck before.


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#1230954 Money Pit Horror Story: 2004 Pontiac Grand Prix GTP

Posted by runt on 27 January 2017 - 01:19 AM

So one "bad egg" and you suddenly swear off all grand prix gtps? With that attitude you'll quickly run out of cars to buy. Sent from tapatalk
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#1230484 Money Pit Horror Story: 2004 Pontiac Grand Prix GTP

Posted by Nas Escobar on 19 January 2017 - 04:24 AM

I think you're better off leasing a car so you don't have to worry about warranty issues out of warranty or major maintenance repair. 


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#1228267 W-Body.com 2017 Calendar Submissions

Posted by Megavolt-380 on 29 November 2016 - 02:02 PM

Megavolt-380 Pontiac GrandPrix GT-V8   1991year  

Attached Files


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#1226394 Will our cars become classics?

Posted by GnatGoSplat on 18 October 2016 - 09:26 PM

I think in 10-15 years, these cars will be about as sought after as an AMC Matador, Dodge Diplomat, or Ford Granada.  Well, maybe not, those were at least RWD...


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#1225677 Will our cars become classics?

Posted by Imp558 on 01 October 2016 - 08:59 PM

The comments on that are they way I see public opinion on our chassis, I still say there won't ever be any value to them as collector cars.

Our cars are "accidental" finds for most people and they fall in love or hate with them but the average person only has passing knowledge of them at best.

It's their loss really, the W-Body has so much to offer and so many different directions they can be built.

Everybody has a story about the time they got smacked down by a CamEro or some other "Sports" car: "I ran with it", "I would have had it but...", "That thing wasn't stock", to this day I've never been with a group of guys where somebody admitted having their ass handed to them by a W-Body out of embarrassment. But we all know it happens and with some frequency.


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#1220969 Guess what I found...

Posted by cdn_olds_94 on 10 July 2016 - 12:55 AM

A chance meeting with a fellow gear head at the storage place my wife uses, and I'm the new owner of a 0 mileage 3.4 L DOHC crate motor. Price was right, 800 bucks. 

Attached Files


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#1236414 Modding the Supercharged 3800 for Dummies

Posted by digitaloutsider on 18 April 2017 - 11:52 PM

Safely Modding Your 3800 For Dummies

digitaloutsider - W-body.com - April 18, 2017

 

3800dummies.jpg

 

Overview: This guide is intended for 3800 (particularly the Supercharged Series II [L67] and Series III [L32]) owners who are new to modifying their car for performance.  This document is not intended to be an all-encompassing how-to for running 11's.  Within this guide, I will discuss how to safely, and rather inexpensively, modify your supercharged 3800 to pick up a few ponies as well as dispel some myths about the platform.

 

Acknowledgements:  The idea for this guide originated on GrandPrixForums in 2009 by Nick (blueguy), however, some parts of that guide have become outdated by losing various vendors, conducting better research, and finding betters ways of doing things.  Much of Nick's guide is still relevant today and it's certainly worth the read when you have the time, OR if you want to go faster than the modifications in this guide allow for. 

 

Introduction: So you've decided to steal cable modify your 3800 car.  Great choice!  Whether you're looking to learn more about engines and performance or just want to make your way to the grocery store faster, the GM 3800 platform offers an easy and cost-effective starting point.  When it debuted in 1996, the Series II 3800 offered class-leading supercharged performance.  Fortunately or unfortunately, the rest of the world kept moving, and in the days of 300 horsepower minivans, 240 ponies doesn't seem as impressive anymore, especially considering we have a supercharger bolted on.  Good thing we're only a few clicks away from a lot of extra power being delivered right to our door.

 

I would like to layout a very specific caveat:  The transmission.  The GM 4T65E was used in all Supercharged 3800 applications from 1997 to 2007.  It was also bolted to everything from 170 HP 3100s all the way up to 300 HP LS4 V8s with very little overall differences.  This, of course, means that GM's bean counters were in full effect in regards to the design of this transmission, and there were cost cutting measures taken.  The internals of the 4T65E bolted to your 3800 are largely no different than the ones in a base Buick Century.  Towards that end, it's best to just accept now that the more you modify your car, the greater your risk of breaking your transmission are.  Fortunately, if you're serious about going fast, high performance transmission builds can be purchased from vendors like Triple Edge Performance.

I would recommend that one of your first modifications be a transmission cooler.  I would also recommend the medium shift kit as outlined in this guide, or the TransGo shift kit.

 

Before you mod:  You need to fix everything wrong with your car before you modify it.  You need to fix everything wrong with your car before you modify it.  You need to fix everything wrong with your car before you modify it.  You'd think that this guidance would be self-evident, but after being on the various W-body/3800 forums and Facebook groups over the last 15 years, I'm sorry to tell you that it is not.  Before you change ANYTHING to alter the performance of your car, you need to be sure that it's in good working order.  Let's be honest, the newest supercharged 3800 car is 10 years old now, the oldest is over 20.. most of them are going to be in various states of disrepair.

 

You need to, at the very least, perform a basic tune-up and catch up on years of deferred maintenance.  Nick actually outlined this very well in his original guide, so I will copy it mostly verbatim here.  Start here:

 

  1. Lower intake manifold gaskets and coolant elbows if they haven't been done (if you aren't 100% sure, just do them).
  2. New spark plugs and wires.
  3. Oil change, preferably switch to synthetic and a quality filter.
  4. Fuel filter.
  5. Coolant Flush.  There is no compelling reason to move away from Dexcool, don't bother doing it.
  6. Transmission fluid and filter. Dexron VI or Alison TES-389 compliant ONLY. Generally need ~7 quarts for a pan drop.
  7. 100k+ mile engines: Change the supercharger oil. Do not use ANYTHING other than the proper S/C oil from the dealer.
  8. S/C and Serpentine belts.

 

Once all of that is taken care of, you can start to move into the next major step..

 

Scanning:  The basis for everything we do with performance mods will center around scanning the car and knowing what's going on inside.  If you don't have a scantool that can read Knock Retard, do not modify your car. It's as simple as that.  I don't care what ZZP told you, I don't care what your buddy says, I don't care what some guy on Facebook posted; if you don't have a scantool that can read Knock Retard, do not modify your car.  Knock Retard, or KR, happens when the PCM detects predetonation (knock) and pulls timing to prevent engine damage.  Your goal is to have 0 degrees of KR all the time.  People will tell you that there's a "safe level" of KR, and on a stock car, sure, there might be.  But as you start increasing boost and power, even small amounts of KR can bring our old pal Chippy the Piston to visit.

 

Like most things about this platform, it's cheap and easy to scan.  If you own an Android phone or tablet, the lowest cost of entry is to buy a BAFX Bluetooth OBD-II adapter and Torque Pro.  iOS users can purchase OBD Fusion, and the website lists all compatible adapters.  Cheap Android devices are getting so inexpensive that you could probably pick one up from eBay and just keep it in the car all the time to use with Torque.

 

If you've scanned and everything looks kosher, it's probably safe to start throwing some mods at the car.

 

The basics:  

 

Intake. The first mod most owners do is an intake.  And why wouldn't you?  It's a great first step because it frees up a little power, but more importantly it sounds awesome.  Supercharger whine is cooler than going fast, anyway.  Really though, I'd start here.  It's cheap.  You don't need to spend hundreds of dollars on an intake, but I also don't recommend just plopping a cone on the end of the throttle body. For 99-05 L67, go buy 4" PVC pipe from Home Depot along with a cone air filter (for 97-98 L67, go buy the newer F-duct and do all the following stuff).  Remove the factory airbox.  Cut the PVC pipe to the proper length.  You want to slide the pipe far enough in the F-duct (the rubber coupler that attaches to the throttle body) to bypass the accordion folds.  Have the filter as far into the corner of the engine bay as you can so it gets the coolest air possible.  You can get a PCM tray out of a 90's S-Series Blazer/Jimmy/whatever if you want to secure it to the car.  I have used foam pipe wrap (like what goes around residential HVAC lines) to put around and under the PCM to prevent it from being banged around.

 

For 04-07 L32 Grand Prix, the same pretty much applies, but you'll be attaching the pipe to the MAF tube.

 

Exhaust.  What goes in must come out, right?  Unfortunately the stock exhaust, especially on the L67 cars, is awful.  The front manifolds have casting artifacts throughout and the ports are often uneven in diameter.  Things get worse once you leave the manifolds as the factory downpipe is double walled, which reduces the ID down to 2.5" and there's an insanely stupid "U-bend" in the pipe where the rear O2 sensor installs.  GM removed their cranium from their anus and the L32 cars lack the U-bend, but still have the same 2.5" piping.  Before ANY pulley drop, the factory downpipe should be removed.  There are two ways to go about doing this:

 

ZZP bolt-in downpipe. If you're keeping the stock catback (which is generally good to 300 WHP), select the 3" DP and 2.5" flange exit.  If you're having an exhaust shop weld up a full 3" exhaust, select the 3" DP with 3" exit or exit flange depending on how you want it.  Do not buy the 2.5" downpipe for a supercharged application.  It's up to you whether or not you want to buy a catted version, but be aware that not having a cat will trigger a check engine lamp.  The ZZP downpipe can be used standalone or mated to a..

 

ZZP Powerlog. ZZP offers two Powerlogs, one for the front, and one for the rear.  Think of these as the most extreme form of ported exhaust manifolds you can buy, but better. If you're not going totally insane, a front Powerlog and downpipe is a great place to start.  It removes both the restrictive front manifold and U-bend.  You can reasonably expect to drop a couple of degrees in KR from these two alone.  If you want to free the exhaust up more, ZZP also offers a rear Powerlog, and with both logs combined with the downpipe, you get a very reasonable facsimile to headers.. without the fitment issues.  Yes, it's kind of pricy to do it this way, but it also just bolts together and works.

 

Headers. Once upon a time, there were a lot of vendors peddling their own version of 3800 headers.  You had SLP, Thrasher/TOGs, Pacesetters.. today the market is a lot smaller.  Your primary players are ZZP, Speed Daddy, and OBX.

 

First up, the ZZP headers. Downside: they're very expensive. Upside: they "just work" and fit, but for that price they ought to. 

 

The most popular headers available for the W-body/3800 are Speed Daddy headers off of eBay. The big upside? They're cheap and they're based on (ripped off) SLP's design. $210 for a full set of headers shipped right to your door.  The downside is that they don't fit perfect for everybody. Some people, particularly Regal owners, get stuck having to find creative ways to bash the firewall into make the O2 sensor fit.  Others run these with no problem at all.  If you don't want to spend tons of cash on exhaust and don't mind working a little to make them perfect, the SD's are a great choice.  Be sure to throw away every gasket and clamp in the box.  Buy a better flange gasket and use band clamps.  It's also likely that the flex section will blow out at some point.  Replace it and it's good to go.

 

The last major manufacturer is OBX.  They're ripoff Pacesetters.  Real Pacesetters were bad enough.. don't buy these.

 

Thermostat. You're going to see a lot of people with a lot of opinions when it comes to thermostats.  In my opinion, 160 degree t-stats are just too cold.  You don't get any heat in the winter, and 2001+ cars will throw a check engine lamp for coolant temp under regulated temperature.  Your best bet is a quality 180 degree thermostat, with a small hole drilled in it to make bleeding easier.

 

Tune. One of the best ways to wake a car up and eliminate KR is to tune it.  Factory tunes are conservative and are intended to make the car work in a wide variety of driving situations, no matter what weather, what time of year, what elevation, etc.  Performance tunes are meant for going fast.  Like most things we've talked about, you have a few options here:

 

Canned Tune.  Canned tunes, or "mail order" tunes are generic performance tunes that are provided to the customer via shipping a PCM (Powertrain Control Module) back and forth to the vendor.  These are generally not tuned specifically for you and will never be as good as an in-car street or dyno tune.  That being said, they can be a good place to start and might even make sense for someone who is going to stick with only minor mods.  You can buy tunes from Overkill, INTENSE, and ZZP.  Keep in mind that the PCM is really at the heart of your performance build.. I would certainly do your own research before you decide to buy from a vendor.  Google is your friend and these cars are VERY well documented.

 

Tuner.  You've got two choices here, HPTuners or DHP.  

 

HPTuners is a full vehicle tuning and scanning suite that works on a LOT of different GM, Ford, and Chrysler vehicles, not just our 3800 cars.  The base VCM Suite offers 8 vehicle credits, which is enough for 4 different 3800 cars.  If you're serious about tuning, you probably can't go wrong with HPT.. unfortunately it's pricey: $500 for the standard version, $650 for the "professional" version. Supports up to 2007.

 

DHP or Digital Horsepower/PowrTuner is a now-depreciated tuning and scanning suite.  DHP debuted in the mid 2000's and was abandoned by 2011 or so.  While that means there's no official support, it also means it has a relatively low cost of entry.  You can usually find used DHP interfaces for around $250 in the various 3800/W-body classifieds.  Combined with TinyTuner, DHP still offers a compelling selection of options and great 3800 tuning capabilities. 97-04 cars only. 

 

Pulley. There's a reason why this section is at the end.  A pulley drop should never be your first modification.  Yes, a smaller pulley means more boost, but more boost out of an M90 also means more heat.  More heat means more knock.  If you haven't done the proper supporting mods first, Chippy the Piston will be making a visit to your engine.  Assuming you've got a strong running stock car, you've freed up the intake and exhaust, and you've scanned throughly ensuring you have no KR, you're safe to drop a pulley.  Avoid the thought process where smaller pulley = moar better. That isn't true. With the right combination of tuning and supporting mods, a car with a bigger pulley can outperform one with a smaller pulley and no/poorly executed mods.

 

You have two options for changing pulley sizes.  You can buy either a press-on pulley, which requires a special tool remove AND install or an MPS hub.  An MPS hub allows you to bolt on different pulleys with just the use of an allen wrench.  If you plan on doing more mods in the future, an MPS hub is probably the best deal.  You can buy them new from INTENSE and ZZP for about $100.  Each MPS kit comes with one pulley.  No matter whether you go with an MPS or Press-on, a SUPERCHARGER PULLEY REMOVAL TOOL MUST BE USED.  DO NOT USE ANY OTHER TYPE OF PULLEY PULLER ON YOUR SUPERCHARGER.

 

Generation 3 M90 (L67):

 

3.6" pulley - A great starting point for a car with minimal mods, such as maybe just a downpipe and intake.

3.5" pulley - Good choice for an intake, front powerlog, and downpipe.

3.4" pulley - Consider the 3.4" if you're running an intake, full headers, and a tune.  You should also consider a cooler spark plug, such as the Autolite 104.

 

Generation V M90 (L32, 04+ GP):

 

3.6" pulley - The defacto "safe" L32 pulley if you don't have lots of modifications. You should at least have a 3" downpipe. Preferably a front Powerlog.

3.5" pulley - If you have headers (or F&R Plog + DP) and a tune, a 3.5" pulley can be a good fit for the L32 cars.

3.4" pulley - All of the above, plus 1.9 rockers.

 

 

Advanced Modding considerations:

 

As stated earlier in this guide, my primary goal is to give novice 3800 owners a good starting point to begin modifying their car.  In my honest opinion, once you start dropping below 3.4" pulleys and headers, you really need to have a good mental grasp on the work that you're doing.  At that point, you should NOT be relying on a guide to tell you how to mod your car.  You need to understand tuning and be able to change your own PCM around without relying on canned tunes.  That being said, I will BRIEFLY talk about a few of the more advanced modifications available to you once you feel more confident in your abilities.

 

E85.  E85 is race fuel on a budget.  Not only are you getting 105 octane out of the box, you're getting the added benefit of ethanol cooling the intake charge.  If you live in an area with easy availability to E85 and you're comfortable with tuning, you might want to move this modification up a little in your list.  E85 suppresses knock and allows for much smaller pulleys and more advanced timing.  When it comes to bang-for-the-buck, I'm not sure you can do any better.  You will NEED a fuel pump rewire kit, bigger injectors, and a tune. Some people will tell you that you can get away with just dropping in 42.5 lbs injectors and throwing in a tank of E85 on the stock tune. That's partially right.. E85 requires 30% more fuel, and those injectors are approximately 30% bigger.  Unfortunately, that does not account for other tuning that is required to prevent hard cold starts and other drivability issues. 42.5s will likely be too small of an injector if you plan on seriously modding (sub 3.2" pullies, cam, etc).  If you're moving to E85 for performance, start with the 60 lbs Siemens/Deka injectors. Keep in mind that your gas mileage WILL suffer. If you can't get E85 easily, your next best bet is an..

 

Intercooler.  The next bang-for-the-buck advanced mod would be an intercooler.  Let's face it, the M90s just aren't efficient superchargers when you start spinning them faster than they were originally designed for.  The incredibly hot intake charge promotes knock and kills power.  If you're serious about performance, and you can't get E85, you need an intercooler.  Intercoolers are pricey, but give you the ultimate flexibility with pulleys, tunes, and fuel options.  You don't need to worry about straying too far from an E85 station when you're running an IC.  You can buy intercooler kits or piece your own together. Ed makes some great phenolic core ICs, which are available here.  If you're going to piece a kit together, start with his core.

 

Camshaft upgrades are well beyond the scope of this guide.  Fortunately, these cars are so well documented it's usually pretty easy to find what you need by searching Google.  Keep in mind that mild cams such as the VS and S1X need much less work to get running than more wild cams like the XPZ or S3. 

 

Conclusion:

 

Hopefully I've helped to remove a lot of the mystery around modding these cars.  The 3800 platform is simple, reliable, and cheap.  It's a great way for novice tuners and builders to cut their teeth before moving onto bigger and better things.  If you can think of any additional information you would like here, or if I missed something, or if you think I'm a moron, feel free to comment below.  I'd like to hear your feedback!


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#1233929 New to me 1996 Grand Prix SE, need thoughts

Posted by 94 olds vert on 15 March 2017 - 08:42 PM

I always see Ws in the junkyard without a valance, and laugh when people are pulling the trans out. They clearly know nothing. 


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#1230780 W-Body.com 2017 Calendar Submissions

Posted by Imp558 on 24 January 2017 - 01:41 AM

Okay, It's up! .... again.  

So a little bad news, Shutterfly is the only one who does what we need as far as a link to a project (that works unlike Vistaprint) and they are a bit more expensive $18.74 + Shipping.

Also before you can check out you have to give them an E-mail address and make a password for future orders which isn't all that bad since you'll get confirmation to E-mail that has a link to check order status.

I tried Shutterfly last since they were more expensive so maybe next year another site will offer this system or maybe Vistaprint will fix theirs.

Now the good news: Shutterfly does coupon codes and there's one you get with making the account you need to check out anyway. I used a coupon code and found a better one and it wouldn't let me remove the discount to add the better one so when you look at coupon codes just make sure you know which one is the best deal.

 

 

And now........ The link!

 

http://share.shutter...=sIZN2zly1bMXFw


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#1228780 W bodies with the Wrong stock wheels

Posted by Nas Escobar on 10 December 2016 - 07:45 AM

Well then looks like were gonna have to go to cuba with a measuring tape and solve this mystery.
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#1220593 TGP Pace car(s)

Posted by ManicMechanic on 01 July 2016 - 06:21 AM

The Intimidator (R.I.P.) isn't gonna pass that TGP at the 1989 Daytona 500.

 

1zlvdjt.jpg


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#1202242 A Sad Story

Posted by Schurkey on 28 July 2015 - 08:18 PM

Oh, it's mostly true, alright.  GM corporate mismanagement and arrogance is the stuff of legends; and it's still happening.

 

I'd dispute the 3.4L engine problems--it would have taken very little to make a big improvement:  Better pistons, a more-durable timing belt, a better O-ring for the oil pump drive, re-routed oil passages in the camshafts, and upgraded lower intake manifold gaskets.  Some of these items were actually produced and installed on later models.  Some, sadly, were never addressed (Pistons, especially, and the 60K timing belt.)

 

Beyond that, GM sank from King of the Corporatons to a shadow of it's former self because the folks at the top don't know a car or a truck from a toaster, toothpaste, or laundry detergent.


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