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Yea, after 7 dead 65e’s in multiple different w bodies i was kinda sick of it. Not to mention the 6t70 had 2 extra gears to play with. If it wasn't for the horrible 2.44 fd in the impala transmission it really would've been pretty wicked. Unfortunately ended up getting rid of the car a while ago due to rot. Current owner still has it but it only gets driven for track events. Id like to build another someday with an 06/07 shell and 3.16/3.39 6t out of an suv. Would be much better acceleration/fun wise and the 6t’s OD is still long enough to be perfectly fine on the highway. why didn't i just slap an ls4 in? because everyone either just slaps an ls4 in or an l67. The 6t/ls4 wasn't figured out yet, the ls4 is an absolute pain to work on in that engine bay, and it also just wasn't my taste. I could've done an ls4, at the time we had 2 of them sitting around in donor cars at the yard. I didn't want to lol.

I have a boot for these cars, I think it's called charcoal. It has a bluish tint to it good condition. Anyone interested?

That’s a pretty sweet find, especially being the second owner with only 70k on it. The interior looks like it’s held up really well too. Funny how that kind of thing matters more than flashy extras sometimes, same with online stuff. On a casino like https://tropical-casino.com/ Tropical Casino, a clean slot layout, a decent bonus screen or a small win animation can make the whole thing feel better without doing too much. Welcome to the forum, curious to see what you end up doing with it and whether you keep it mostly stock or start changing things.

Nice to see another Z34 being kept alive. If you’re new to working on cars, I’d focus on getting a solid maintenance baseline before changing anything: fluids, belts, hoses, grounds, and any old or brittle wiring/connectors. Since you’re already into the brakes, I’d check the rubber hoses and hard lines closely too. And if you don’t know when the timing belt was last done on the 3.4 DOHC, that’s definitely something I’d put on the list. Take plenty of photos before unplugging things and tackle one issue at a time. Makes troubleshooting a lot less painful.

Quad 4 Getrag 282 for W-Body

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1227727 and 1227730 use the same chips. One is waterproof and used in W bodies and Corvettes. 1990 is the only year to use $88 code mask. 88-89 are $6D. 91-92 is $A1. 93 is $DF. Thats for the 3.1 V6. The most common with all the data code layed out is $A1. I would use A1 to start and modify from there (because I have been tuning these for over 20 years and can do this).

I mean assuming the intakes are off a compatible w car you could gain maybe a tiny bit from the larger later intakes, I think a 2000 would still have the old 3100 manifolds. but its not enough of a gain that i'd waste my time. Go get the rest of the 3400 and you are looking at some gains, but i'd still be questioning of the journey is worth the destination.

Well, in a nutshell, yes...... one will not get out of an LG8 quite what the LA1 delivers. The old saying *there ain't no replacement for cubic inch displacement* still rings true. But from a totally *biased* point of view.........why go to the effort where a mom & pop sedan is concerned? Just keep it running respectably in its present format. If the car off the assembly line was a intended sports sedan with an optional handling package & an optional higher hp powertrain I can see working with that.

So basically what you are telling me is the whole top end swap thing is a waste of time I appreciate you telling me there is no need to swap it all of it's all the same

I recognize that group, go back at least 16 years, they used to be geared more towards the G2 cars & showed little interest in the G1 cars. Some of them were local here in Pickering & Ajax. I fell out of touch with them about 14 years ago.

I'd argue that its thin enough at this point that the only groups I seem to see having success are groups that seem to celebrate all things GM FWD of the era

I'm not entirely sure there wqould be enough people in that area for a meet, however I can advise that there is a local ontario GM FWD group. If you're on facebook the group is here: https://www.facebook.com/share/g/1LqncxNtTx/ They happen to be having a meet this weekend in Milton. There is a mix of berettas, cavaliers, w-body, etc.

Generally speaking the meets would be a W body gathering & not just a particular model.

Has anyone considered doing a meet up show and shine of the Cutlass crew maybe like in Buffalo or somewhere close to the border for us Canadians like the fourth area down that way if anyone’s interested before those fall takes our cars off the road let’s get together. See if anyone’s interested. Let me know.

Thanks fir confirming this, because I always noticed the same thing.

Adding some pictures because it is a very rare and very fascinating setup. Lots of pics of the engine bay exist, but Ive never found any of the engine assembly on the subframe. Enjoy!

There is little to be gained, you won't get the advertised 10 hp difference in the two engines, both heads are the same casting, the intake ports in the LA1 are slightly larger for more top end flow, the LA1 intake valves are so slightly larger in dia (1mm). the lower intakes are the same, the uppers are different cosmetically and they are plainly identified by the engine size cast into the plenum. The only operational difference in the uppers is the dia of the throttle body opening, the LG8 makes use of a 52mm throttle body & the LA1 uses a 56mm throttle body. As far as I know the LG8 makes use of the same rear exhaust manifold that the LA1 does, but I'm not completely sure of that.

I have a 2000 Buick century limited with the 3.1 I bought 3.4 upper and lower intake and head's to put on it is it worth the swap

Holy Hell...how did I miss this!!!! This is pretty incredible and so glad I finally found this thread. I am here for any help.

The access cover on the shock tower side, you will have to remove the ECM & then you'll see the access cover. Can't tell you for sure but the mem-cal will could very well be the AUMY, pull the ecm, remove the cover & you'll see for sure.

Thank you for pointing me to the correct location. I found the ECM under the passenger-side strut tower. I uploaded three photos of it. The only label I can see is the Delphi remanufactured sticker (SVC #16198260). I don't see an obvious inspection cover or small access panel for the MEM-CAL. Before I start removing mounting bolts or unplugging connectors, can you tell me exactly which fasteners need to come off to access the MEM-CAL and read the original GM ECM service number? I don't want to damage anything or take apart more than necessary.

Thanks, that's exactly the information I was looking for. I haven't physically verified my ECM yet. I'll check the passenger-side shock tower under the hood and report back with the ECM service number and MEM-CAL ID. Since my car is a 1990 Cutlass Supreme 3.1 LH0 with an automatic, can you tell me which stock MEM-CAL ID I should expect to find?