Thread: Starting to build up the intrigue, finally

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  1. #261  
    GTX Level Member crbquist's Avatar
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    Quote Originally Posted by BillBoost37 View Post
    Signs of a chipped piston.

    1. Car runs bad, you pull plugs and find one or more electrodes smashed.
    2. Pieces of piston on top of your IC core. They can come up through the bypass hole of the SC
    3. Visual confirmation

    From research and chatting with others, apparently GM didn't gap the rings on the L26 and L32 as much as the predecessor engines. Therefore it's easier to chip a piston.

    Max should be returning from a trip today. Likely we'll hear from him.
    Good info. I'm glad I have an L67 then haha
    01 Silvermist GTP - E85 - Cam - Heads - Phenolic IC - Polished Gen V - Stock trans...
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  2. #262 Re: Starting to build up the intrigue, finally 
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    Now that I have some time to post after being away for the past few days I noticed that Bill pretty much gave you all the update. I basically got my tune dialed in with myself in the car, running 11.7 AFR and 19-19.5 degrees of timing, zero knock. I then piled three other friends into the car and went WOT from 30-65 mph, just a quick pull. Compared to the day I was dialing in AFR and timing (about 45 degrees out) we had a cold spell come through and outside it was maybe 15 degrees outside. Between the change in temperature and added weight in the car, I assumed my AFR was a little leaner than 11.7 (probably more like 12.0-12.1) and with the 19.5 degrees of timing on 93, cylinder #3 got pissed and chipped the piston.

    Now that I have put a little over 50 miles on the L36 bottom end (was the stock bottom end out of the car) and running a 3.5 pulley, I'm keeping things conservative on both boost and timing until I dial in the tune. So far the car runs great, trims are already spot on within -2 LTFT to 0 LTFT. Next is dial in AFR and this time I'll shoot for 11.4-11.5. Timing right now is about 14 degrees, may increase to 16 degrees (max).

    I'm just glad I finally got the car back on the road and can enjoy it again. If any of you either have tuned top-swapped cars or are running a similar set-up, please chime in if you have any knowledge on what to tune differently, what to watch for, etc.

    Quote Originally Posted by darkhorizon View Post
    is there any data to back up the failure? Chipping pistons is EXTREMELY hard to do... it takes alot of things going wrong to get those sort of piston temperatures.
    As Bill said, no data to back up the failure. I was watching my Aeroforces, saw maybe 1-3 degrees of knock. The refresh rate of the gauge may have prevented me from seeing 10+ degrees of KR for all i know at a given second. AFR on my wideband was high 11's, low 12's (leaner that day compared to when I was tuning the AFR/timing in 45 degree weather).

    1998 Intrigue - Parted out
    2008 G8 GT - Heavily modded
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  3. #263 Re: Starting to build up the intrigue, finally 
    #Billsnamechangessuck MrPoopyButthole's Avatar
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    Well max glad to see your back on the road with Intrigue

    Cry havoc and let slip the dogs of war.
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  4. #264 Re: Starting to build up the intrigue, finally 
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    I got some great luck going on lol (being sarcastic), was driving the car last night and started to hear a ticking noise. I wasn't in the throttle, just babying the car and cruising around, maybe 100 miles on the L36 bottom end. Bill diagnosed.... rod knock, spun a bearing.

    A stock, 20k mile N/A L26 out of a 08 or 09 Buick Lacrosse will be dropped in its place. Parting out... done with this platform and will focus solely on G8. Not worth dumping any more money in it. For those that are interested in parts, PM me. I'll be keeping the built trans in the car but everything else will be up for sale. Sale thread will go up this weekend....

    The build was short lived, sucks to say that I am parting out but financially makes most sense. Appreciate the comments on here and hopefully people will at least find use out of the build thread and can reference if need be.

    1998 Intrigue - Parted out
    2008 G8 GT - Heavily modded
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  5. #265 Re: Starting to build up the intrigue, finally 
    Moderator DanPrixGTP's Avatar
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    NOOOOOOOO.

    this is awful news.

    I dont like.
    '97 GTP - Stage 2 Heads, 90# Springs, 1.9 Harland Sharp Rockers, Gen V, 3.0, Intake, N* TB, LQ4, FSIC, 10.5mm Wires, Poly Mounts, SLP Headers, Borla Exaust, Built Trans - SOLD*

    '08 G8 GT - 6.7L 408CI Stroker, 239/254 Cam, Fast Intake, 102mm TB, CAI, Full Exhaust.





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  6. #266  
    GXP Level Member z3r0's Avatar
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    Oh snap

    Quote Originally Posted by TLSheff View Post
    I'm a Sex Offender
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  7. #267  
    GTX Level Member crbquist's Avatar
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    Bummer
    01 Silvermist GTP - E85 - Cam - Heads - Phenolic IC - Polished Gen V - Stock trans...
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  8. #268  
    Turbo is the way to go. REDCRAPGP's Avatar
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    Wow
    Squirrels are my engine. I need a Ford Regal
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  9. #269  
    Donating User Swiggles's Avatar
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    I feel your pain max. The g8 will like the money more
    No more GP 04 Impala SS Indy:
    Gen V 3.4”|FWI|N* TB lq4 MAF|1.9 Modded Rockers|F&R Plogs|ZZP 3" Catted DP|ZZP 2.5" Catback|
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  10. #270 Re: Starting to build up the intrigue, finally 
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    Sucks Maxxer....i may have to grab a few things off ya
    2003 SSEi,
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  11. #271 Re: Starting to build up the intrigue, finally 
    SE Level Member oldsman105's Avatar
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    Sorry to hear Max.
    2002 Pontiac Bonneville SSEi

    Gen V with 3.6 pulley , 1.9 Rockers, L76 Springs, N* TB, 40lb injectors, Power log, 3" Down-pipe
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  12. #272 Re: Starting to build up the intrigue, finally 
    GT Level Member Euro's Avatar
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    Damn man, that sucks
    2000 Regal GS - 190k - Black over Storm Gray Metallic - 9" K&N/AL104's/Borla/GP polished tq stars/turd
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  13. #273 Re: Starting to build up the intrigue, finally 
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    Dc y


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