TPI: '88 Throttle Body vs. 89 Throttle Body

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02-17-2013, 04:03 PM

MrPackstin

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TPI: '88 Throttle Body vs. 89 Throttle Body

I am seeing people on ebay selling "85-88." Just wondering the difference, if any?

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02-17-2013, 06:56 PM

Tuned Performance

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Re: TPI: '88 Throttle Body vs. 89 Throttle Body

the difference is the throttle cable linkage and 89-92 has the iac passage vacuum signal passage between the throttle blade bores and can be used on any year tpi plenum.

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02-17-2013, 09:59 PM

vetteoz

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Re: TPI: '88 Throttle Body vs. 89 Throttle Body

Quote:

Originally Posted by tunedperformanc

the difference is the throttle cable linkage and 89-92 has the iac passage vacuum signal passage between the throttle blade bores and can be used on any year tpi plenum.