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Forum: L36 & L26 Engine Tech

Series II & Series III Factory NA 3.8L Motors

  1.   Sticky Threads  

  2. Sticky Thread Sticky: got a misfire? read all about it here!

    THE SYMPTOMS: poor idle, part throttle stumble, full throttle stumble, popping noises, solid illumniated "service engine soon" light, flashing...

    • Replies: 2
    • Views: 27,415
    08-16-2007 08:33 PM Go to last post
  3. Sticky Thread Sticky: 3800 Series II Cam List

    This list covers every camshaft available for the GM 3800 Series II Engine. They are listed in increasing size starting with the STOCK cam. All...

    3 Pages
    1 2 3
    • Replies: 33
    • Views: 114,129
    06-29-2021 03:38 AM Go to last post
  4. Sticky Thread Sticky: What can you expect from adding a Cam? LOOK HERE

    I have continued the assistance to everyone by gathering a list of the board members who have installed aftermarket cams. Supporting mods are...

    • Replies: 1
    • Views: 26,264
    11-17-2005 12:07 AM Go to last post
  5. Sticky Thread Sticky: FAQ: Camshafts and your car

    I have noticed a few more cam related questions popping up on the forums and figured i would throw this up here as a bit of information before you...

    • Replies: 3
    • Views: 19,243
    06-27-2006 12:11 PM Go to last post
  6. Sticky Thread Sticky: Spreadsheet for cam related info Sheet 1 - compare two cams (forum post) this was an attempt to put _ in there to keep...

    • Replies: 3
    • Views: 15,156
    09-11-2009 07:07 AM Go to last post
  7. Sticky Thread Sticky: L36/L26 FAQ's

    This has been a much delayed project that I unfortunately haven't had the time to focus on. Moving forward I will keep this thread open for everyone...

    • Replies: 10
    • Views: 16,560
    01-11-2015 10:18 PM Go to last post
  8.   Normal Threads  

  1. Coolant leak and intake manifold gasket problems

    Hey, Thereís something wrong with my car (-96 Firebird), it leaks coolant fluid and performs quiet bad :( I suspected the intake manifold gasket...

    • Replies: 2
    • Views: 3,768
    10-03-2009 02:47 PM Go to last post
  2. Question Part number for the new OEM intake manifold gasket?

    Hey, Anyone know the part number for the "new" aluminum framed OEM intake manifold gasket set?? Can't seem to find it for my 3.8 :lick: Thanks,

    2 Pages
    1 2
    • Replies: 16
    • Views: 2,013
    11-17-2009 12:28 AM Go to last post
  3. Arrow Aluminum intake UIM gasket GM part nr?

    Whatís the GM part number for it? Ones for all, is it the same alu gasket (UIM and LIM) for n/a and sc 3800 engines? And what cars hade it...

    • Replies: 3
    • Views: 2,494
    05-11-2010 10:47 PM Go to last post
  4. Talking Leaking water pump - car runs bad?

    Could a leakage affect anything to make the car run bad? I know on the LT1 V8, a leaking pump could ruin the Optispark on some models. What do V6...

    • Replies: 14
    • Views: 2,751
    06-02-2010 08:09 PM Go to last post
  5. Question Different spark plug wire mounts depending of year?

    Hey everyone, I have an enjoying problem. I bought a MSD spark plug wire set from Thunderacing to my 1996 3.8L. It was labelled 00-02. I asked...

    • Replies: 12
    • Views: 1,455
    07-29-2010 12:28 AM Go to last post
  6. Question Halo spark plugs - do they work?

    Have anyone tried Halo spark plugs in there 3800 engine? Results? Could they potentially be harmful for the engine in the...

    • Replies: 12
    • Views: 4,198
    04-13-2012 12:01 PM Go to last post
  7. Thumbs up Bad ICM or something else?

    Hey, There’s something wrong with my car and have been for a while. So far I have replaced: Sparkplugs Sparkplug wires Crankshaft position...

    3 Pages
    1 2 3
    • Replies: 32
    • Views: 9,214
    10-11-2010 10:15 AM Go to last post
  8. Exclamation Whats the weight of a L36 engine?

    Whats the weight of a L36 engine? Can't find the information, just that it's lighter then its predecessor. Thanks

    2 Pages
    1 2
    • Replies: 15
    • Views: 8,490
    10-15-2010 11:25 PM Go to last post
  9. Thumbs up still feels powerless and unwilling

    Hey I still have power problems with in my car. So far I changed: cat, spark plug wires, gasfilter, crank position sensor, all three coil packs...

    2 Pages
    1 2
    • Replies: 21
    • Views: 4,767
    06-01-2011 12:33 AM Go to last post
  10. Changing fuel injectors on L36

    Iím about to order six acdelco injectors to be on the safe side. For what I understand, its plug and play ones you get of the fuelrail.. Anything...

    • Replies: 10
    • Views: 3,884
    08-09-2011 07:50 AM Go to last post
    • Replies: 1
    • Views: 2,225
    08-02-2011 05:08 PM Go to last post
  11. Is it common with soot inside the intake manifold?

    Did some outside engine cleaning and took apart some stuff and saw there’s was soot inside the intake manifold. Is it “alarmingly bad” or...

    2 Pages
    1 2
    • Replies: 17
    • Views: 2,683
    08-27-2012 11:23 AM Go to last post
  12. Question Oxygen (O2, lambda) sensor

    The 3800 got three oxygen sensors right? One on each side of the exhausts manifolds and one at the catalyst converter. Are they interchangeable with...

    3 Pages
    1 2 3
    • Replies: 40
    • Views: 4,912
    05-04-2013 01:26 PM Go to last post
  13. PCV cover bolts

    I lost both of my cover bolts. Anyone knows the part number for them or bolts that in the same size and Class 9.8? Thanks,

    • Replies: 5
    • Views: 1,762
    06-06-2014 10:17 AM Go to last post
  14. P0300, P0304

    this car is getting all its troubles out after the cam install i guess... after i got the big problems (incomplete CKP circuit) ironed out i had...

    • Replies: 6
    • Views: 2,954
    03-08-2005 02:02 AM Go to last post
  15. oil intrusion into oil pressure sender.

    anybody ever had this problem before? i'm cruising down my street friday afternoon getting ready to go on a little trip to visit some friends. ...

    2 Pages
    1 2
    • Replies: 15
    • Views: 2,055
    04-06-2006 02:12 PM Go to last post
  16. camin

    i'll start out by saying i searched this forum for Camed 3.8 camaro, camd 3.8, cam camaro, and couldnt find anything. im not a competent mechanic and...

    • Replies: 11
    • Views: 1,805
    11-22-2008 01:58 AM Go to last post
  17. Red face E3 spark plugs

    do not use them! bought a set, was sure it would fix my miss, 6 injectors later, and plug wires, still missing. just for the hell of it went and...

    • Replies: 11
    • Views: 5,505
    07-10-2010 02:37 PM Go to last post
  18. engine problem?

    my trans is slippy when im giving it alot of gas so i took it to my grandpa who knows everything about transmissions. he drove it an said he noticed...

    • Replies: 6
    • Views: 1,143
    06-20-2006 08:07 PM Go to last post
  19. misfire unknown cause

    car is at a loss for power. drives like a four banger with the a/c on, it doesn't pull hard, rpm range feels like its at a stand still sometimes when...

    • Replies: 7
    • Views: 1,587
    08-30-2006 02:10 PM Go to last post

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