Differences Between PR4-6 and PR4Y B18B Heads ???
02-23-2006, 12:29 PM
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Differences Between PR4-6 and PR4Y B18B Heads ???
anyone know the differences between the pr4-6 b18b head and that pr4y b18b head ? i noticed my dead b18b had a pr4-6 and my new one has a pr4y ?
02-23-2006, 01:49 PM
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Re: Differences Between PR4-6 and PR4Y B18B Heads ??? (93CharcoalHatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 93CharcoalHatch »</TD></TR><TR><TD CLASS="quote">anyone know the differences between the pr4-6 b18b head and that pr4y b18b head ? i noticed my dead b18b had a pr4-6 and my new one has a pr4y ?
</TD></TR></TABLE>
</TD></TR></TABLE>
02-23-2006, 06:56 PM
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Re: Differences Between PR4-6 and PR4Y B18B Heads ??? (93CharcoalHatch)
I've seen head casting numbers posted on here before, but can't help search. Try lists for vtec engines ( pr3 p72) and maybe find b18b on the list as well. As far as any dohc non-vtec head I don't think it matters as far as performance.
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02-24-2006, 06:56 PM
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Re: Differences Between PR4-6 and PR4Y B18B Heads ??? (93CharcoalHatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 93CharcoalHatch »</TD></TR><TR><TD CLASS="quote">anyone got any other ideas? </TD></TR></TABLE>
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02-25-2006, 04:57 AM
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Re: Differences Between PR4-6 and PR4Y B18B Heads ??? (93CharcoalHatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 93CharcoalHatch »</TD></TR><TR><TD CLASS="quote"> still wondering</TD></TR></TABLE>
still wondering</TD></TR></TABLE>
04-02-2020, 08:38 AM
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Re: Differences Between PR4-6 and PR4Y B18B Heads ???
dont know the difference in those heads but get a P8R head, larger intake valves than regular pr4 heads
05-30-2021, 11:41 AM
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Re: Differences Between PR4-6 and PR4Y B18B Heads ???
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