need new Throttlebody, or help retrofitting a fwd one..
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Joined: Jul 2009
Posts: 2,615
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From: PA
Car: 1996 Camaro, 1985 Camaro
Engine: 3.8, 3.4
Transmission: WC T5, 700r4
Axle/Gears: 3.23(?), 3.42
need new Throttlebody, or help retrofitting a fwd one..
I need a new throttlebody, apparently my TPS(no I cannot just replace the TPS...don't ask.....) has been causing me my issues...I have one off of a 3400 I could use, problem is I have no idea how to deal with the TV and throttle cables, or the IAC passage, instead of a nipple fitting for a tube its a square hole....and the throttle lever would actually be on top in order for it to bolt up...if anyone has some creative ideas here I'm ready to hear them....
alternatively if anyone has the same type of throttlebody as my 85 2.8, I would be interested in buying it.
alternatively if anyone has the same type of throttlebody as my 85 2.8, I would be interested in buying it.
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From: Evansville, IN
Car: 1992 Camaro RS 25th Anniversary
Engine: 3.4L v6 with a t3/t4 Turbo
Transmission: T-5 Conversion
Axle/Gears: 3.23 SLP Limited Slip
Re: need new Throttlebody, or help retrofitting a fwd one..
pics of 3.1 tb
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: need new Throttlebody, or help retrofitting a fwd one..
along with the 3.1 tb he would need the iac pigtail and the rubber/plastic elbow that comes off the pcv valve along with any connected vacum lines.
2.8 tb uses a tube to allow the air the iac lets in get to the manifold base.
3.1 tb the iac dumps that air in behind the tb butterfly
both use sligtly differnet vacum system hookups, but interchange if u get all the related parts
but one word of advice if u r using the cold stat injector still switching to the 3.1 tb and vaum system will not allow the csi to work properly
2.8 tb uses a tube to allow the air the iac lets in get to the manifold base.
3.1 tb the iac dumps that air in behind the tb butterfly
both use sligtly differnet vacum system hookups, but interchange if u get all the related parts
but one word of advice if u r using the cold stat injector still switching to the 3.1 tb and vaum system will not allow the csi to work properly
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Kyle F
Tech / General Engine
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Apr 23, 2001 03:16 PM





