C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

IAC gasket

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Old Aug 16, 2019 | 09:59 AM
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Default IAC gasket

I took my throttle body off my 93 to clean and install new gaskets. I got a set from Jegs, I purchased a new IAC as well. The IAC didn't come with a gasket and I can't find one anywhere. I called BBK and Jegs and they have no gasket available. Where the hell can I get one.
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Old Aug 16, 2019 | 10:24 AM
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Default iac gasket

Try jerrysgaskets.com , they have a lot things for the LT5 motor. But they do have IAC gasket, the gasket should be
the same for all throttle body's about $2.25. give them a call.
John
1990 white/black ZR-1
one of a few Auto eq (4L8OE) ZR-1's
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Old Aug 17, 2019 | 09:54 AM
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Thanks AAFC, checked the website and they are only ZR1 parts. I wonder if they use the same IAC ?? I ordered it from Corvette Central, the say no gasket is required but the original IAC had a gasket.
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Old Aug 17, 2019 | 10:37 AM
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Default IAC gasket

I did a search for 93 throttle body rebuild kit. I found this, corvettepacifica.com they had a gasket throttle body rebuild kit 85-93
which includes the IAC gasket. check it out it might be what you are looking for. item # E21383
good luck
John
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Old Aug 18, 2019 | 09:31 AM
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Thanks again AAFC I will check.
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Old Aug 19, 2019 | 09:20 AM
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Originally Posted by fredk
Thanks AAFC, checked the website and they are only ZR1 parts. I wonder if they use the same IAC ??
Looking at RockAuto they are two different parts. Not only different gaskets, but different connectors.

ZR1:
https://www.rockauto.com/en/moreinfo...41343&jsn=1087

LT1:
https://www.rockauto.com/en/moreinfo...41332&jsn=1150
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Old Aug 19, 2019 | 12:50 PM
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Thanks very much guys. I am in Canada so no Rock Auto will check the other sights.
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Old Aug 19, 2019 | 01:56 PM
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Get a sheet of gasket material and a exacto knife and cut your own.. I do it anytime I need a gasket thats hard to find...WW
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Old Aug 20, 2019 | 09:26 AM
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I thought of that but didn't know what material to buy. Choices were paper or cork. Going to order from Corvette Pacifica
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Old Aug 20, 2019 | 10:43 AM
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Originally Posted by fredk
I thought of that but didn't know what material to buy. Choices were paper or cork. Going to order from Corvette Pacifica
Use paper on.newer motors, cork is for some applications from the 50s ,60s and some 70s cars. I also cut some rubber gaskets..... ...WW

Last edited by WW7; Aug 20, 2019 at 10:49 AM.
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Old Aug 20, 2019 | 10:47 AM
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Originally Posted by WW7
Get a sheet of gasket material and a exacto knife and cut your own.. I do it anytime I need a gasket thats hard to find...WW
I think the gasket set I just bought has one that I don't need. I'll check tonight.
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Old Aug 21, 2019 | 09:00 AM
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Thanks for the replies, I ordered from Corvette Pacifica yesterday.
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Old Aug 21, 2019 | 07:13 PM
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I know years ago someone on here put out the GM part number for that gasket. It was couple bucks.
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Old Aug 21, 2019 | 07:30 PM
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I found the original gasket number. Fits many GM models. Simple round gasket. Also, many vendors that sell IACs, have gaskets with them.. I would call or get another one from like RockAuto for example.

GM 25530697

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