TB Gasket ?
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Intermediate
Joined: Apr 2011
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TB Gasket ?
There are two different tb gaskets for our l98's. I put the one with individual circular openings and the triangular opening above on my 89. The other gasket is just the single opening. The car is idling somewhat rough intermittantly. It is also climbing above 230 at idle only (to 236 max). It's hot out (*100+) but I feel I shouldn't be having this problem. That being said, I also haven't properly adjusted the TPS yet. Just half assedly. Just did a head gasket set on the car.
Racer
Joined: Feb 2009
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From: el cajon ca
There are two different tb gaskets for our l98's. I put the one with individual circular openings and the triangular opening above on my 89. The other gasket is just the single opening. The car is idling somewhat rough intermittantly. It is also climbing above 230 at idle only (to 236 max). It's hot out (*100+) but I feel I shouldn't be having this problem. That being said, I also haven't properly adjusted the TPS yet. Just half assedly. Just did a head gasket set on the car.
Last edited by Ricky 91 vette; Aug 19, 2012 at 02:14 AM.
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From: Merritt Ils Fl
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From: Phoenix AZ
2021 C4 of the Year - Modified Finalist
I think there is a V6 throttle body kit that is similar. I got one from autozone a few years back that wasn't right, and when I took it back, they said it was for a 6. It was pretty similar, just the dimensions were off.
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From: Merritt Ils Fl
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Its easy enough to punch out a gasket with some gasket paper...just a couple $ at any auto parts.
The triangle vs round idle air passage sometimes lets air leak past if the round hole gaket is set against the triangle port....the small "tunnels" that run along the TB side can leak. Another reason to 'wet' the gasket with anti-seize so it seals against the TB better.
The triangle vs round idle air passage sometimes lets air leak past if the round hole gaket is set against the triangle port....the small "tunnels" that run along the TB side can leak. Another reason to 'wet' the gasket with anti-seize so it seals against the TB better.
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Joined: Apr 2011
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http://www.parts123.com/parts123/yb....Z5Z5Z50000050F
http://www.parts123.com/parts123/yb....Z5Z5Z50000050F
Those are the two gaskets. I had a fel pro kit and it came with both. The car runs **** other than a slight idle mishap.
http://www.parts123.com/parts123/yb....Z5Z5Z50000050F
Those are the two gaskets. I had a fel pro kit and it came with both. The car runs **** other than a slight idle mishap.
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