Proper size tap for b18a/b block

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May 19, 2004 | 10:52 AM

brinks

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Honda-Tech Member

Joined: Feb 2000

Posts: 870

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From: NY

Proper size tap for b18a/b block

Anyone know the proper size tap that I could use to cleAn the head bolt hole threads? Got this block thats been sitting around for a bit and theres no telling whats gotten into those holes.

May 19, 2004 | 02:47 PM

acy76

Joined: Sep 2003

Posts: 881

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From: Twin Cities

Re: Proper size tap for b18a/b block (brinks)

I am almost positive it's M11x1.5 - I am sure someone will verify this (or not)...

May 19, 2004 | 03:39 PM

Big Teggie

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Joined: Aug 2001

Posts: 4,319

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From: Umm..., NJ

Re: Proper size tap for b18a/b block (acy76)

Yes, it is 11x1.5mm.

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