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  #31  
Old 10-24-2010, 07:48 AM
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Re: 97gtp stutter at hard throttle

The throttle bodies between the L67 and L36 are different. The L67 is much bigger. L36 is around 65mm but obviously you use the throttle body from a L67 only and MAF sensor should be for '97-'98 only.

To bring the idle down check the throttle body butterfly stop and adjust the stop screw until the idle comes down and/or the IAC counts are correct.



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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8
'02 Oldsmobile Alero GL2 - LA1 3400 V6
'99 Buick Regal LS - L36 Series II 3800 V6
'03 Honda CR250R MX - 2 Stroke 250cc
'97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold)
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  #32  
Old 10-24-2010, 08:12 AM
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Re: 97gtp stutter at hard throttle

Quote:
Originally Posted by tblake View Post
Bob, do you think the knock sensors should have been transfirred over from the old motor the the new one?
Tim,

Probably a good practice but not necessary. The knock sensors are the same for '97-'03. Plus a PITA to replace once the engine is installed.

However, I would run a check for knock retard (KR) with a scan tool that has the capability to do so just to be sure.



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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8
'02 Oldsmobile Alero GL2 - LA1 3400 V6
'99 Buick Regal LS - L36 Series II 3800 V6
'03 Honda CR250R MX - 2 Stroke 250cc
'97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold)
Timeslip 08/12/06

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