What is that cover right under the manifold

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Jan 3, 2002 | 08:55 PM

lexussc94

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From: NY

What is that cover right under the manifold

Whats that metal cover that bolts to the bottom of the tpi base called and how important is it? I forgot to put it on when I put my engine back together. Will it hurt performance? Thanks

Jan 3, 2002 | 09:07 PM

8Mike9

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From: Oakdale, Ca

Car: 89 IrocZ

Engine: L98-ish

Transmission: 700R4

It's a splash shield, suppose to keep hot engine oil from splashing up on the intake.

Probably worth a few ponies here and there, keep in mind though that many aftermarket intakes don't even have them, nor provisions for them.