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91RSVert Member
Joined: 16 May 2007 Posts: 2736 Location: AR
1991 Chevrolet Camaro RS
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Posted: Sun Apr 12, 2015 5:01 pm Post subject: TPI/LT1 Throttle body Q's |
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I'm looking at replacing my throttle body on my TPI due to a few minor issues. If I remember right, most people are saying that the larger bore ones are not really needed unless your a quite a high hp number or rev the piss out your engine, which most tpi's wont do. Am I correct?
I see there is a 85-88 style which uses the inline style TPS
89-92 which uses what I call the round TPS.
93-97? LT1's. Am I correct that the lt1 has a different style throttle cable which I would have to replace if I went to it? ('m manual so trans cable is not an issue) _________________ 2008 GMC Z71
1991 Camaro RS Vert
1972 Jimmy 4x4
20ft Longhorn Car Hauler
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Twilightoptics Hardcore (12sec Club)
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Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Mon Apr 13, 2015 5:15 pm Post subject: |
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89 used the ball end style cable too like the lt1.
If you pull a vacuum at WOT and you have no filter restriction, that's when you need a bigger TB.
The Holley unit I couldn't have been happier with. _________________ A redline a day keeps the carbon away! |
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Mon Apr 13, 2015 8:50 pm Post subject: |
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Why are you replacing it? It's not a wear item. If it has slop it can be rebushed. |
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