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#1
11-21-2003, 08:13 PM
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b20 head on b18a?
has anybody heard of putting a b20 head on a b18a/b, i saw an add the other day, and the guy said the b20 head had bigger ports and better cams than the b18. anybody know?
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#2
11-21-2003, 08:15 PM
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Re: b20 head on b18a?
I heard they're the exact same thing, but I havnt seen them side by side for comparision, so I'm not sure.
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#3
11-21-2003, 08:26 PM
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Re: b20 head on b18a?
i heard of b20s with vtec heads... but thats it
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#4
11-21-2003, 10:17 PM
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Re: Re: b20 head on b18a?
Actually, I would probably not go with the B20 head, unless you were putting in more aggressive cams. The B20's came auto only, as far as I know, and the auto trans cams are way less aggressive. I also don't see why anyone would say that the B20 has bigger ports, since the B-series engines all take the same headers and intake manny's. That says to me same size ports. However, you'd have to measure to be sure. I would say to save up a little more cash and get a B16 head, check out www.thepartstrader.com, or the classifieds thread...
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#5
11-23-2003, 06:29 PM
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Re: Re: Re: b20 head on b18a?
Quote:
Not all CRV's were automatics. Even if you picked up a auto B20 motor, just swap in B18 manual cams, if it bothers you that much. Also, yes, the B20 ports are bigger than a B18's head. Again, the B20 intake manifolds are not the same as a B18. They have the same bolt patterns as all B series (minus B18C). One last thing, yes, it can be done just fine.
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#7
11-23-2003, 10:03 PM
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the casting of the B20 Head is IDENTICAL to the b18 head.
so no gains from that... the b20 cams are different though so you may gain from that.
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