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  1. Remanufactured 3800 NA heads for sale

    For Sale
    I have a set of Remanufactured 3800 heads for sale. They came on a reman engine that I purchased but I had custom heads that I wanted to use. Therefore I dont need these. $400 OBO. Plus shipping. Text 757-359-6407
  2. Swapping a Series III into an '88 Electra

    FWD 3800 Engine Swaps
    Hey y'all, My 1988 Electra suffered a piston ejection, and needs a new engine. I've taken junking the car off the table, as it simply holds too much intangible value. The now-dead engine is a Pre-Series 1 3800, n.a. That said, I have access to a Series III n.a. 3800 from a 2006 Pontiac Grand...
  3. Engine died, scan gave me 40 DTC codes!

    DTC's, Problems & Troubleshooting
    Hello everyone, I bought a 1999 Buick Park Avenue, naturally aspirated and, long story short, I replaced the upper plastic intake and gasket hoping that would help my rough idle and low power problem. Upon finishing the repair, and I had borrowed and DTC scanner from a friend and was setting...
  4. Buick Ultra 2001 front clip damage

    For Sale
    The car was great before the accident, two owners,no leaks, transmission responsive and smooth, strong engine 115k, supercharged, the car had no dents or scratches, radiators are damaged, front frame is damaged, engine and transmission still work, car still moves on its own, car is complete...
  5. Regal parts wanted. Cai, cat, PCM, dp

    I have a 2000 regal gs and am in need of a couple things... 3" down pipe. Reprogrammed PCM Cai, or stock airbox. Hi flo cat If you do have something please txt 248 252 4549. Please include brand and price. Thanks Justin
  6. help please?

    FWD 3800 Engine Swaps
    need help with 3800 series 2 swap from 99 olds delta 88 to 2001 monte carlo ss hello i recently bought a 2001 monte carlo ss for $900 in hopes of replacing the old motor, i bought a motor from a 1999 oldsmobile delta 88 that also had a 3800 series II engine, heres my problem, ive checked around...
  7. Regal GS Engine Wiring Needed

    Hey Everybody, I have a 1998 Buick Regal GS, SC 3.8L. I need to locate the section of engine wiring That plugs into the main harness at the passenger front valve cover and goes to ICM, crank sensor, etc. I also need a section of the ABS harness from the ABS unit on the driver side apron...
  8. Issue with a engine where should i post?

    Newbie Zone
    Hello I am not sure where to post this problem i am having. I got a 01 firebird with 3800 series 2 v6. Aperantly i got a butsted lower barring. The story behind how THAT! happend is quite ridiculous. Over all i would like to know if i can just pop off the oil tank from the bottom and reach some...
  9. Not sure how to do this but... I have a used 3800 series engine for sale.

    Newbie Zone
    Not sure what is wrong with it. I hired someone from craigslist to fix the piston and it came back still messed up. I put a brand new piston in it with new rings. And I also got new barrings for it. However, It was smoking afterwards. Then he put another block on it and water mixed in with...
  10. Fiero 3800 Supercharged Engine Harness

    For Sale
    3800 SC Supercharged Fiero engine harness for sale Complete plug and play. Fits 85-88 3800 Series II. PCM fits in the stock Fiero ECM location (slight modifications needed) Wired for a 1998-2002 PCM. PCM not included. 4 or 5 Speed Manual Transmission Includes connections for All...
  11. Custom V6 Engine Coffee & End Table

    For Sale
    This set was made from a spare 3.8L GM Series II V6 engine and its internals. The coffee table is made from the cast iron block and aluminum oil pan The end table is made from the flywheel, crankshaft, harmonic balancer, and a broke rotor Both include glass table tops coffee table series II...
  12. Swapping a 3.1L for a 3.8L

    FWD 3800 Engine Swaps
    I have an 03' buick century with the standard 3100 SFI engine. Seens how the 97-05 Buick centurys never came with with the 3800 (to my knowlage). I was wondering if its possible to swap my 3.1L with a 3.8L supercharged engine out of a 97-05 Buick regal. Being more or less the same body style...
  13. Just want to upgrade as I replace.

    Motor & Trans Mounts
    New to this forum (but not to car forums in general so I'll skip all the noob garbage if you do) and looking for a realistic approach to upgrading the engine mounts. I just bought an '02 SSEi for a daily driver. My ZR2 sucks enough gas as is. 15-30 mpg sounds a lot better than 5-10 this summer...
  14. 2004 grand prix gt engine build ADVICE PLEASEEEE

    Naturally Aspirated
    I have an 04 grand prix gt, love the car. I currently only have lowering springs and a KandN intake system. I know I need a new pcm but what should I get done along with it? Id love for someone with some experience modding a natually aspirated 3800 series 3 motor to help out a bit. When i...
  15. Supercharged 3800 Series 2 swap

    FWD 3800 Engine Swaps
    I have a 1994 Chevrolet Cavalier and I want to swap in the supercharged 3800 Series 2 engine into it. I was just wondering if i could get some advice for finding the engine, tranny, ecu, and motor mounts for a cheaper price.
  16. 3800 Series II Exploded Engine Diagram

    Newbie Zone
    Hi all, So I've been prowling the internet for a good detailed exploded view of the 3800 Series II that's in my 02 Bonneville SE, but I have yet to find anything remotely close to what I want. I was wondering if anyone here would happen to have what I'm looking for or would know where I could...
  17. WTB: NEED L32 engine!!!

    I need to find an L32 engine. It can come with or without the supercharger. Threw a rod in my 04 GTP and need a replacement fast! Or if you know where to get one, I'd greatly appreciate any links you may find. So far, the cheapest I can find is about $1,000 shipped to 64491
  18. 97 Buick Riviera - $800

    For Sale
    97 White Buick Riviera 120,000K The car has its fair share of problems but would be perfect for parts. Trans/Engine/Supercharger work fine. I have a bike that I use mainly for transporation so the car isn't driven that much anymore but has made it anywhere I needed it to go, however I need to...
  19. engine "stumbles"

    DTC's, Problems & Troubleshooting
    Hey! Got a brand new Jasper series II motor in my 96 camaro. It has been "stumbling" for the last 5 days or so and its getting worse everyday. It only happens when I'm holding speed or accelerating. The problem is magnified when the AC is on. The engine is not even 3000 mi. old so I can...