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  1. #1

    3.1 Liter superchargers?

    hey everybody-

    Have any of you ever heard of a supercharger designed for the 3.1 MPFI? I know about the turbo 3.1, but I'd reall like to supercharge my 1990 3.1 Liter chevy Lumina. Of course, I have no idea how it would fit.....considering the intake isn't exactly geared towards supercharging.....or that the power steering pump is right where the superchargers would need to go.......lol
    Thanks for your suggesstions

    SmoothSteve3
    1990 Chevy Lumina
    3.1 Liter V-6
    Ride on White Lightning

  2. #2
    Robby1870's Avatar
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    3.1 Liter superchargers?

    www.rsmracing.com Im giving you that link, but also tellin you that MANY on here have had poor customer service from them. Thier blower is a Centrifugal blower

    Robby
    Robby Whitesell
    2006 Pontiac G6 GT - 3500 V6

    1985 Toyota Pickup DLX - 2WD - 2.4L I4

  3. #3

    3.1 Liter superchargers?

    Aren't they like $4000???
    99 Grand Prix GT 242,800+ miles<br />9.75:1 L36|K&amp;N|No Cat/Ubend/res|160 tstat|UD ALT|Shift Kit|Powertuner|Ported M90/LIM/TB/Heads|XPZ|Stg 2 IC|Pacesetters|ElecWP|AlumCradle|4340 IS|2.93 15/16&quot; Chain|2750 stall|2.55&quot;. <br />379.9whp on 93 octane, 11.9912 @ 112.99 w/1.729 60&#39;<br />Gen V/N* TB/3.69s since ET.<br />03 CBR 600RR Stock.&nbsp; 11.38 @ 123.64

  4. #4

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    Re: 3.1 Liter superchargers?

    I'll save you the hassle and recommending something much easier. Purchase a used Supercharged 3800 Series II along with a 4T65-E/HD transmission. It's a lot easier than having a custom supercharger built for your ride. The 3800 Series II is also a far more reliable engine than your 3.1 MPFI, and it has decent fuel economy. You would have to upgrade so much if you wanted to supercharge your 3.1 MPFI it's not worth the time and expense. That's just my recommendation.

    Quote Originally Posted by SmoothSteve3
    hey everybody-

    Have any of you ever heard of a supercharger designed for the 3.1 MPFI? I know about the turbo 3.1, but I'd reall like to supercharge my 1990 3.1 Liter chevy Lumina. Of course, I have no idea how it would fit.....considering the intake isn't exactly geared towards supercharging.....or that the power steering pump is right where the superchargers would need to go.......lol
    Thanks for your suggesstions

    SmoothSteve3
    1990 Chevy Lumina
    3.1 Liter V-6
    Ride on White Lightning

  5. #5

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    3.1 Liter superchargers?

    Personally, I would never trust those fuckers at RSM. It's too bad, because they're a Canadian company and they make the rest of us Canadians look back.

    Besides, their Supercharged 3.1 MPFI has never been thoroughly tested. They told me that their system is on sale but they haven't had any customers with their supercharger package installed. It makes you a little curious as to the quality of their products, eh?

    Quote Originally Posted by robby1870
    www.rsmracing.com Im giving you that link, but also tellin you that MANY on here have had poor customer service from them. Thier blower is a Centrifugal blower

    Robby

  6. #6

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    3.1 Liter superchargers?

    For $4,000 I'll keep my 170HP 3800 TPI V-6 and purchase new shocks and tires, and have all the bodywork done and painted. Forget the supercharger!

    Quote Originally Posted by dbtk2
    Aren't they like $4000???

  7. #7

    3.1 Liter superchargers?

    On the issue of reliability, I have seen a lot more 3.1s/3100s hit higher mileage than I have seen Series II 3800s. The 3.1/3100 is one of the most reliable engines GM ever put in the W-body. Other than the alt. problem (which all W-body engines have), and the leaking distributor drive O-ring, they are rather problem-free engines.....unless you beat on them.

    Personally, I have 3 of them...
    90 LE, 3.1, 94,000 miles
    90 LE, 3.1, 122,500 miles
    92 SE, 3.1, 175,000 miles

    And then there's the TGP with 95,000 on it.

    1990 Grand Prix LE Coupe - Beater<br />1990 Grand Prix TGP Coupe - Resto Project #1<br />1990 Grand Prix TGP Coupe (#2) - Resto Project #2<br />1994 Dodge Ram 2500 8.0L V10 Reg. Cab Longbox 4x4<br />1992 Grand Prix SE Coupe - Dune Buggy Project<br />1999 Grand Prix GT Coupe - Sunday Driver<br />2002 Chrysler 300M - Daily Driver

  8. #8

    3.1 Liter superchargers?

    Quote Originally Posted by The Burning Rom
    On the issue of reliability, I have seen a lot more 3.1s/3100s hit higher mileage than I have seen Series II 3800s. The 3.1/3100 is one of the most reliable engines GM ever put in the W-body.
    Agreed. My pushrods in the family have super-proceed the average life award.
    The MPFI's are literally in-destructable if taken off.
    Heck even abused ones still run good numbers.
    I'm with Burning Rom, the 2.8L / 3.1L / 3100 / 3400 are tough!
    * 1988 Chevrolet Celebrity S/W - 157K miles
    * 1989 Chevrolet Beretta GT - 189K miles

    - Erik
    2003 Volkswagen Jetta GLS
    1.8 liter turbocharged 20v I4 - [AWP]
    "...and, yes, I have been CEL free since August 18th, 2003..."

  9. #9
    TurboSedan
    Guest

    3.1 Liter superchargers?

    i've never had one problem with my 3.1, which i bought @ 111,000 miles and it now has 211,000. i went thru one alternator and did some engine resealing when i did the 5-speed swap but the engine itself has been great...no fuel injector problems, no wierd noises, and respectable gas mileage. i've put it thru many street races and besides that it's use is mainly for pizza delivery and i haul ass around town in my car. i also do alot of Interstate trips. my friend had a '91 Corsica with a 3.1, and his went to 206,000 miles before he blew a head gasket. and he is REALLY bad at engine/car maintainence, - he's the type that has garbage all over in his car from 3 months ago lol.

    i've never had a Buick 3800 and would love to have one, but i wouldn't say they are far more reliable than the Chevrolet 60' V6. but everyone likes what they have. if i had a car with a Buick 3000 TPI, i'm sure i'd love that engine too.
    joshua

  10. #10
    TurboSedan
    Guest

    Re: 3.1 Liter superchargers?

    Quote Originally Posted by SmoothSteve3
    hey everybody-

    Have any of you ever heard of a supercharger designed for the 3.1 MPFI? I know about the turbo 3.1, but I'd reall like to supercharge my 1990 3.1 Liter chevy Lumina. Of course, I have no idea how it would fit.....considering the intake isn't exactly geared towards supercharging.....or that the power steering pump is right where the superchargers would need to go.......lol
    Thanks for your suggesstions

    SmoothSteve3
    1990 Chevy Lumina
    3.1 Liter V-6
    Ride on White Lightning
    to get back on topic - i would stay away from RSM period. if you want to go with a Supercharged engine, go for a Series II Supercharged Buick 3800 V6 like 91GranSport mentioned (salvage yard or ebaymotors) or maybe even the earlier Series I Buick 3800 Supercharged engine. much much cheaper than RSM, a proven engine with more cubes, and it obviously fits into a W-body with no problems. you'll probably need a subframe from a W-body with a Buick V6, alot of wiring work, and i'm not sure what else....i'm the last person to ask about 3.1->3.8 engine swapping ops:

    if you're set on a Supercharged 3.1 MPFI, i think RSM is your only choice :? or get ready to do ALOT of custom work. i myself am taking the easy and cheap way out and just swapping in the TGP engine (sitting on my garage floor waiting....). my 111,000 mile TGP engine cost me $350, + probably another $150 to freshen it up before i use it. before i bought that engine i was buying TGP parts seperately on the forum & ebaymotors. i had about everything needed to turbocharge my 211,000 mile n/a 3.1 MPFI, but i also ended up spending like $800!!! and that wasn't even a complete engine! (altho i did end up with 2 crossovers and 2 intercoolers). so now that i bought my TGP engine i'm stuck trying to sell all of my extra TGP engine parts but still, that $800 is nothing compared to $4000 for an RSM supercharger kit. thankfully i found a '90 Turbo STE in the salvage yard (see my website) and it was only there because the turbo was bad (and already gone) and the owner defaulted on his loan and abandoned it. i already had a T25 turbo anyway from buying all those TGP parts earlier and i was all set to buy the whole car. then the stupid salvage yard wouldn't sell me the whole car but at least i got the engine for a decent price, which included the radiator, IC, wiring harness, plumbing, downpipe, etc.... good luck man.

    boost is boost is boost.

    joshua

  11. #11

    3.1 Liter superchargers?

    Joshua-

    Thanks for all the info.......I personally am not really into doing the L67 swap.....just seems too grueling.....but ya know, I might be into turbocharging my 3.1. Any idea if the life span of the turbo 3.1 was affected by it being turbocharged? But seriously......that turbocharging my car sounds like a possibility. It beats spending $4000 at RSM, and it's better than not doing anything at all.......lol Thanks again everybody.

    SmoothSteve3
    1990 Chevy Lumina
    3.1 Liter V-6
    Ride on White Lightning

  12. #12
    TurboSedan
    Guest

    3.1 Liter superchargers?

    Quote Originally Posted by SmoothSteve3
    Any idea if the life span of the turbo 3.1 was affected by it being turbocharged?
    that's a good question, although boost obviously puts more stress on any engine. the Turbo 3.1 has *slightly* lower compression (8.8:1 vs the n/a 3.1's 8.9:1). that's a good thing, sure, but hardly a difference and nothing to worry about in my opinion when turbo'ing a n/a 3.1 MPFI engine. altho, if i were to rebuild a TGP engine i think i'd order custom lower compression pistons; like 8.2:1 or so so i could add more boost. the Turbo 3.1 also *supposedly* has a better crank, but that's been an issue of debate for awhile now. personally i think a n/a 3.1 crank would do fine (if it's even any different than a Turbo 3.1 crank) as long as you didn't get too crazy with boost levels.

    i'm going to go start a thread in the TGP section and see who has the highest mileage TGP (non-rebuilt engine). later
    joshua

  13. #13

    3.1 Liter superchargers?

    If I were in your position I would definately put a turbo on it. It is cheaper than the supercharger (by a LOT), and since the engine is already pretty low compression (8.9:1), and is a good reliable engine to begin with, it will make for a very nice, powerful setup. Although, if I were doing it I would drop the compression and run more boost and timing, but that is just me.


    On the issue of reliability, I have seen a lot more 3.1s/3100s hit higher mileage than I have seen Series II 3800s.
    Series II 3800, released in 1995 Model years
    MPFI 3.1, released in 1989 (or earlier, I can't remember) model years.

    Maybe the fact that the 3.1 has been around way longer is why more of them have high mileage on them? The Series II 3800 is a hella good engine (and the series I for that matter), and I have never heard of people who do regular maintenance to them and not beat the hell out of them have problems with them. (Except for the occasional lemon, which is always going to happen) But the L67 is a much stronger engine than the 3.1 anyways, it has forged pistons and crank and some other stronger things because it was built for boost, I am not saying it is indestructible, but it is a very strong engine. Our 2000 SSEi has 82,XXX miles on it and is modded (and has been since it had 100 miles) and we have beat the shit out of the engine and it runs like it is brand new...our '95 Beretta Z26 w/88,000 and '90 TGP w/113,000 run good, no doubt, but nothing like they are brand new.

    I am not trying to say that the 3.1 or 3100 is in any way shape or form a bad engine, I am saying that it isn't (IMO) a better engine than the Series II 3800, and I am thinking there are a few others here that will agree with me, and if not, whatever, that is my opinion.
    99 Grand Prix GT 242,800+ miles<br />9.75:1 L36|K&amp;N|No Cat/Ubend/res|160 tstat|UD ALT|Shift Kit|Powertuner|Ported M90/LIM/TB/Heads|XPZ|Stg 2 IC|Pacesetters|ElecWP|AlumCradle|4340 IS|2.93 15/16&quot; Chain|2750 stall|2.55&quot;. <br />379.9whp on 93 octane, 11.9912 @ 112.99 w/1.729 60&#39;<br />Gen V/N* TB/3.69s since ET.<br />03 CBR 600RR Stock.&nbsp; 11.38 @ 123.64

  14. #14

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    3.1 Liter superchargers?

    I've seen 3800 TPI V-6s like mine with higher miles than any 3.1 MPFI. Since the 3800 Series II is even better than the 3800 TPI V-6, I'm sure it'll last well into the 400,000km range. Perhaps the reason why we don't see that many 3800 Series II engines that high is because the car is probably trashed before it reaches that mileage.

    Quote Originally Posted by The Burning Rom
    On the issue of reliability, I have seen a lot more 3.1s/3100s hit higher mileage than I have seen Series II 3800s. The 3.1/3100 is one of the most reliable engines GM ever put in the W-body. Other than the alt. problem (which all W-body engines have), and the leaking distributor drive O-ring, they are rather problem-free engines.....unless you beat on them.

    Personally, I have 3 of them...
    90 LE, 3.1, 94,000 miles
    90 LE, 3.1, 122,500 miles
    92 SE, 3.1, 175,000 miles

    And then there's the TGP with 95,000 on it.


  15. #15

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    3.1 Liter superchargers?

    I can't say much about the Buick 3000 V-6, hell I never even heard of it. I know Buick had a 3300 V-6, but I don't know much about that one either.

    My first W-Body had a 3.1 MPFI in it, and I beat that car around from time to time. The only problem I had was a leaky fuel injector or two, and some electronic shit where it would fire on only four cylinders instead of six. I guess that might've been the coil pack, I'm not really too sure. It was long ago and I can't remember. Either way, the 3.1 MPFI is a very reliable engine, but I think for the price you pay, you simply can't go wrong with the Buick 3800 TPI V-6 or the 3800 Series II.

    Supercharging a 3.1 MPFI would require far too much custom work, and RSM is out of the question since they rip people off. It's so much easier to simply drop in a Supercharged 3800 Series II along with the matching 4T60-E/HD tranny. Since many people have done it before, it wouldn't be difficult getting help.

    That's just my opinion...

    Quote Originally Posted by malibuolds
    i've never had one problem with my 3.1, which i bought @ 111,000 miles and it now has 211,000. i went thru one alternator and did some engine resealing when i did the 5-speed swap but the engine itself has been great...no fuel injector problems, no wierd noises, and respectable gas mileage. i've put it thru many street races and besides that it's use is mainly for pizza delivery and i haul ass around town in my car. i also do alot of Interstate trips. my friend had a '91 Corsica with a 3.1, and his went to 206,000 miles before he blew a head gasket. and he is REALLY bad at engine/car maintainence, - he's the type that has garbage all over in his car from 3 months ago lol.

    i've never had a Buick 3800 and would love to have one, but i wouldn't say they are far more reliable than the Chevrolet 60' V6. but everyone likes what they have. if i had a car with a Buick 3000 TPI, i'm sure i'd love that engine too.
    joshua

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