TPI throttle body cover function
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Member
Joined: Sep 2002
Posts: 349
Likes: 4
From: Wichita, KS
Car: 1987 Trans Am GTA
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: 9 bolt 327
TPI throttle body cover function
I know it wouldn't be designed and on there, but I've scoured the internet as well as the forums here and all I find is cool pretty replacements, but nothing in depth about the function of the chamber beneath the cover. I'm also wondering if a bad gasket/leak would affect idle or performance in any way.
Any gurus out there that has this information that could share? Many thanks in advance, any input is appreciated!
Any gurus out there that has this information that could share? Many thanks in advance, any input is appreciated!
Joined: Jul 2013
Posts: 1,208
Likes: 153
From: *member since 1999, I think - just can't remember my old name, and the big site crash...*
Car: 89 GTA ASC Conv., Prev: 89 GTA 6.3L
Engine: 5.7L L98 TPI
Transmission: 700r4 Automatic
Axle/Gears: 3.27:1 w/ JG1 Options:B2L, N10, U1A
Re: TPI throttle body cover function
Part of airflow for idle circuit w throttle blades closed?
Joined: Dec 2004
Posts: 16,751
Likes: 995
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: TPI throttle body cover function
You can see how the large vent line for the pcv connects to the air inlet on the upper side of the front of the throttle body.
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