Throttle Body - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-20-2004, 10:15 PM   #1
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Default Throttle Body

Easy to take off the Throtte Body? And will a 96-99 L67 fit on a 97 N/A? I am worried about any hidden cables that I might rip.
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Old 12-20-2004, 10:18 PM   #2
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it is a farily easy process, i believe that it is different from the L27 which is a pain
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Old 12-20-2004, 10:22 PM   #3
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Default Re: Throttle Body

Quote:
Originally Posted by Twister97
Easy to take off the Throtte Body? And will a 96-99 L67 fit on a 97 N/A? I am worried about any hidden cables that I might rip.
I believe it will, but you are going to need a Mini-AFC 2.0. I'd suggest doing rockers (supporting hardware too), ported mani'*, and get that PCM reprogrammed for the larger TB. Might also want some L67 injectors to go along with the setup, but definitely go for the rockers before the TB.
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Old 12-20-2004, 10:50 PM   #4
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Why should I get the rockers before the TB? Will it hurt the vehicle at all if I just did the TB? I didnt want to get rockers until this summer. Afc is allright, but can i get my pcm reprogrammed again rather then the afc? Are the L67 injectors difficult to put in?
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Old 12-20-2004, 11:22 PM   #5
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Quote:
Originally Posted by Twister97
Why should I get the rockers before the TB? Will it hurt the vehicle at all if I just did the TB? I didnt want to get rockers until this summer. Afc is allright, but can i get my pcm reprogrammed again rather then the afc? Are the L67 injectors difficult to put in?
Not really. Just unbolt the fuel rail, unplug the injector wiring, unplug injectors from the rail, and reverse the procedure. Just remember to put new O-rings on the injectors unless you want to go up in flames.

As for the rockers before the TB, the reason I say this, is that I'd guess the TB will be rather inefficient without being able to move the air once it bottle-necks at the rockers. I could be wrong, but I personally would do the rockers before the TB. If you want to mod the TB before the rockers I'd suggest just getting a ZZP stage I L36 TB.
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