Difference between b17/b18c
 

I just bought a gsr head and the guy told me it was off a 93, b18c. I can only find in 93 the b17. Does anyone know how to tell the difference between the two? The head has p72 stamped on it.

Re: Difference between b17/b18c (draggpa)
 

What numbers are stamped on the head above the exhaust ports?

Re: Difference between b17/b18c (spoonek9)
 

9/3 1/0 5/2 /8
The 5/2 is upside dpwn and the 8 is straight.

Re: Difference between b17/b18c (draggpa)
 

The 92-93 gs-r only had the B17.

Re: Difference between b17/b18c (draggpa)
 

if it says 93 on the head its most likely out of a 94 gsr.

Re: Difference between b17/b18c (mmuller)
 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by mmuller &raquo;</TD></TR><TR><TD CLASS="quote">if it says 93 on the head its most likely out of a 94 gsr.</TD></TR></TABLE>

exactly https://honda-tech.com/forums/images/smilies/emthup.gif . and seeing that the head has P72 stamped on it, it's definitely a B18c head and not a B17 a head which is a Pr3 head.