tap for manifold bolts

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03-18-2006 | 06:58 PM

black4x4

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From: delphos oh

tap for manifold bolts

Anyone now what size tap i would need to chase the manifold bolt holes in my 5.3s cyclinder heads.

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03-18-2006 | 10:42 PM

Yelo

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From: Geneseo, NY

8mm.....

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03-18-2006 | 10:49 PM

04BlackSilverado

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8mm-1.25

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03-18-2006 | 10:55 PM

Yelo

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Quote:

Originally Posted by 04BlackSilverado

8mm-1.25

Sorry...forgot the pitch on the thread

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03-18-2006 | 11:26 PM

04BlackSilverado

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Thats ok, I wasnt sure. I just orderd header bolts and I had to check anyways. I need to get a tap as well......

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03-19-2006 | 01:31 AM

black4x4

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From: delphos oh

thanks for the help

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03-19-2006 | 10:28 AM

Richard@WCCH

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From: Reseda, CA

6mmx1.0 for the intake holes and 8mmx1.25 for the exhaust holes.

Good luck.

Richard

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