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View Full Version : B20A exhaust ports space



carotman
01-30-2004, 10:58 AM
Anyone knows if the space between the exhaust ports is similar to the "regular" B series engine.

I could get my hands on B20A5 flanges and I was wondering if I could just weld a header from a B18 or B16 to it...

I know we can use a B20A5 header but it involves some cutting... and ther isn't much choice out there.

Gregg86DX
01-30-2004, 02:21 PM
Are you getting those flanges off ebay?

Clicky Clicky (http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&category=33634&item=2456653592&sspagename=STRK%3AMEBWA%3AIT)

I was thinking the same thing you are, and I am sure it could be done fairly easy. I've never actually measured the spacing on a B16/B18, but just the fact that they are similar in so many ways to our B20A's indicates it should not be that hard. If you have a local parts store you like, go ask to take a look at an exhaust gasket for one of those motors. Hell, ask them to pull out a B20A5 and a B18 and do a quick compare. I might do that this weekend if I get a chance.

Gregg

RobT5580
01-30-2004, 05:07 PM
I saw some thing on a prelude board but i dont think they ever found a flange that fit right. I tried an H22 before but i cant recall if the ports are the same or not cause i know the holes were off a bit. I can check when im back home cause i saved the H22 exh manifold gasket.

carotman
02-02-2004, 07:36 PM
yeah I was looking at those Ebay flanges :)