Throttlebody ?
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Member
iTrader: (7)
Joined: Jun 2004
Posts: 489
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From: Chicago south suburbs
Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Throttlebody ?
Hey Guys,
I have a modified 1988 883 TPI IROC Z-28.
And currently I'm using a 58MM BBK throttle body. I've been offered a 62MM BBK with the TPS senser. Is it worth the swap?
I have a modified 1988 883 TPI IROC Z-28.
And currently I'm using a 58MM BBK throttle body. I've been offered a 62MM BBK with the TPS senser. Is it worth the swap?
Thread Starter
Member
iTrader: (7)
Joined: Jun 2004
Posts: 489
Likes: 2
From: Chicago south suburbs
Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Re: Throttlebody ?
with that monster 883 i doubt it
Thread Starter
Member
iTrader: (7)
Joined: Jun 2004
Posts: 489
Likes: 2
From: Chicago south suburbs
Car: 1988 IROC-Z28
Engine: L98(383tpi) modified
Transmission: 700R4 rebuilt
Axle/Gears: 3:73 10bolt rebuilt
Re: Throttlebody ?
Just a little more info. about my roc.
the intake, runners, are Edelbrock plenum is stock everything is ported and simeased. Also using AFR heads. Also cold air induction, and a reprogrammed chip.
the intake, runners, are Edelbrock plenum is stock everything is ported and simeased. Also using AFR heads. Also cold air induction, and a reprogrammed chip.
Last edited by Americanmouse; Feb 4, 2016 at 07:58 PM. Reason: forgot to add
Supreme Member
Joined: Jan 2003
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Re: Throttlebody ?
Unless you think you're pulling over 900 cfm, even a 52 mm should be sufficient for a 383.
https://www.thirdgen.org/forums/alte...ctor-info.html
TPI/LT1 52mm Throttle Body w/ airfoil -- 898.8 cfm
https://www.thirdgen.org/forums/alte...ctor-info.html
TPI/LT1 52mm Throttle Body w/ airfoil -- 898.8 cfm
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