how can you tell the diffrence between a b16/gsr/itr head besides the cast number pr3

 

gsr is not stamped pr3, its p72. but the itr would have a mild port, more agressive cams i also believe the valvesprings have got a yellow stamp on them

 

i bought a type r head w/ no cams it has a stamp on it that says pr3 on the
intake manifold and on the head is it a true itr head?


Modified by eglslsd at 7:29 PM 7/12/2007


Modified by eglslsd at 7:31 PM 7/12/2007

 

does it have dual valve springs? does it look like it has a mild port job?

 

yes it has dual valve spring and it looks like it has a mild port job?

 

their is a year stamped on it near the pr3 stamp. i belive it above th 1st and second exhaust port (dont quote me on that) what year does it state? it most likely a type r head though

 

also what does it say after pr3? it should be like pr3-1 or pr3-4 or something to that nature

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by eglslsd &raquo;</TD></TR><TR><TD CLASS="quote">how can you tell the diffrence between a b16/gsr/itr head besides the cast number pr3 </TD></TR></TABLE>

The water neck for a GsR is at the front (closer to the exhaust side) and the combustion chamber shape is smaller/different.

ITR head is a B16 head, except ported and with different intake valves and valve springs.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by eglslsd &raquo;</TD></TR><TR><TD CLASS="quote"> has a stamp on it that says pr3 on the
intake manifold and on the head is it a true itr head?
</TD></TR></TABLE>


ITR intake manifold is stamped P73