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  1. #21

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    What the hell were u torquing to 40lbs? Hope u ment in-lbs and not ft-lbs

  2. #22

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    You prob ruined the gaskets and warped the intake with 40lbs. Was it 1/2" drive?
    01' 1500 LT Z71 ECSB 5.3L
    line-x'd front brush guard with KC Daylighters, 6000k HID lows and highs, rewired highbeams, Trans-go mild shift kit, custom stainless duals, 3500 dually OEM taillights, K&N CAI. Still have OEM fender flairs and leveling kit in boxes waiting for time.


  3. #23
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    TRPLXL2's Avatar
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    X2- That is waay to much, If I remember right it's around 12lbs of torque.

    The Hayne's manual is probably out of date, they come out with torque revisions all the time. If we would have followed the Haynes manual when doing our engine rebuild, 90% would have been incorrect.
    Last edited by TRPLXL2; 02-04-2013 at 07:56 AM.
    2004 Chevy Colorado
    LS1 5.7 swap/TBSS rear axle swap

  4. #24
    Sr. Engineer FergusonT's Avatar
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    Haynes was right, I just didnt realize it was Inch/lbs. I was right around 40lbs....it did crush one of the rubber grommets on one of the bolts, as well as broke another.

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    Just being in a hurry not paying attention to detail, in the freezing cold.

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    Gaskets look alright, intake looks alright.

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    According to this conversion calculator thing, It should be around 8lbs. Damn. ...I ordered a new set from the dealer today.

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    Thats the final torque spec. I believe it has 2 steps, 1 is 44 and 2 is 89 inch/lbs

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    1999 Chevrolet Suburban LS K1500
    1991 Chevrolet S10 4.3L 4x4
    2005 Suzuki Forenza (GM/Daewoo)

  5. #25

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    My gasket surface OCD is screaming looking at that picture but since I live in n. ohio and its about 19* highs I won't break your balls. Those are fel-pros just warranty them out, they dont care if you fudged it and even if they did they wouldnt know.
    01' 1500 LT Z71 ECSB 5.3L
    line-x'd front brush guard with KC Daylighters, 6000k HID lows and highs, rewired highbeams, Trans-go mild shift kit, custom stainless duals, 3500 dually OEM taillights, K&N CAI. Still have OEM fender flairs and leveling kit in boxes waiting for time.


  6. #26
    Sr. Engineer FergusonT's Avatar
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    Warranty the gaskets out? I pulled them off and see nothing wrong with them.

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    Unless I am missing something, which is likely given my track record on this project...I got a good look at the new gaskets before I put them on. After this mishap I pulled everything back off immediately and they looked no different.
    1999 Chevrolet Suburban LS K1500
    1991 Chevrolet S10 4.3L 4x4
    2005 Suzuki Forenza (GM/Daewoo)

  7. #27

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    why risk an intake leak just because you didnt "see" a problem with them. take the taime and get new gaskets.
    "i dont think you got the picture. i got a beautiful picture. this baby happens to have an extra turn of speed, which is the only thing i care about. you dont understnad what happens do you? they make cars. they make 'em exactly the same way. one or two of 'em turn out to be something special. nobody knows why. i know why. i may be kiddin' myself, but i think i can make somethin' out of that sad little bucket of bolts." ~ Tennessee Steinmetz

  8. #28
    Sr. Engineer FergusonT's Avatar
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    So looking at the bolts and the way the manifold gaskets have rubber that goes around the bolt holes, I am assuming that the bolts and the sleeves on the bolts are designed to seal the manifold when tightened. I just had to order a whole new set of bolts because most of the rubber seals on them were slightly torn.

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    Also, what can I use to clean the injectors with while I have everything out.
    1999 Chevrolet Suburban LS K1500
    1991 Chevrolet S10 4.3L 4x4
    2005 Suzuki Forenza (GM/Daewoo)

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