00-01 Spec R head code
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00-01 Spec R head code
Do someone know if the code should be PR3-4 on the head???
No way to find the answer just by looking at the head...its a ported head with some aftermarket cams
Modified by DA_JDM at 5:04 PM 5/11/2008
No way to find the answer just by looking at the head...its a ported head with some aftermarket cams
Modified by DA_JDM at 5:04 PM 5/11/2008
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From: ottawa, ontario, canada
Re: 00-01 Spec R head code (Hybrid96EK)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Hybrid96EK »</TD></TR><TR><TD CLASS="quote">The R heads are the same casting as the B16 so they are marked PR3. They also have MILD work on the intake side stock. Nothing on the exhaust.</TD></TR></TABLE>
the head is no longer stock ported...
the head is no longer stock ported...
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From: Vancouver,WA usa
Re: 00-01 Spec R head code (DA_JDM)
There is no way to tell from the stamp. the best you can do is verify the year of the casting but all of the ITR/CTR/B16A heads had the same casting stamps.
Don't believe anyone that tries to say that all PR3-4 or PR3-2 heads are ITR. I have seen a few PR3-3 and my old CTR head was a PR3-1....
As far as the green paint behind the distributor, some of the B16A's if not all of them came with that at one time...plus the paint washes off easily.
If the head was stock (which it's not) the only way to tell would be to look at the porting on both intake and exhaust ports along with the tapered valves and valvesprings.
Don't believe anyone that tries to say that all PR3-4 or PR3-2 heads are ITR. I have seen a few PR3-3 and my old CTR head was a PR3-1....
As far as the green paint behind the distributor, some of the B16A's if not all of them came with that at one time...plus the paint washes off easily.
If the head was stock (which it's not) the only way to tell would be to look at the porting on both intake and exhaust ports along with the tapered valves and valvesprings.
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Re: 00-01 Spec R head code (jdmboyef9)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jdmboyef9 »</TD></TR><TR><TD CLASS="quote">There is no way to tell from the stamp. the best you can do is verify the year of the casting but all of the ITR/CTR/B16A heads had the same casting stamps.
Don't believe anyone that tries to say that all PR3-4 or PR3-2 heads are ITR. I have seen a few PR3-3 and my old CTR head was a PR3-1....
As far as the green paint behind the distributor, some of the B16A's if not all of them came with that at one time...plus the paint washes off easily.
If the head was stock (which it's not) the only way to tell would be to look at the porting on both intake and exhaust ports along with the tapered valves and valvesprings.</TD></TR></TABLE>
thanks
anyway with my port job it doesnt matter if its a ITR or SIR head...its gonna give the same result at the end correct??? if both head have the same headjob with the same cams???
Don't believe anyone that tries to say that all PR3-4 or PR3-2 heads are ITR. I have seen a few PR3-3 and my old CTR head was a PR3-1....
As far as the green paint behind the distributor, some of the B16A's if not all of them came with that at one time...plus the paint washes off easily.
If the head was stock (which it's not) the only way to tell would be to look at the porting on both intake and exhaust ports along with the tapered valves and valvesprings.</TD></TR></TABLE>
thanks
anyway with my port job it doesnt matter if its a ITR or SIR head...its gonna give the same result at the end correct??? if both head have the same headjob with the same cams???
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Re: 00-01 Spec R head code (DA_JDM)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DA_JDM »</TD></TR><TR><TD CLASS="quote">
thanks
anyway with my port job it doesnt matter if its a ITR or SIR head...its gonna give the same result at the end correct??? if both head have the same headjob with the same cams???</TD></TR></TABLE>
It might even be better then stock ITR/CTR port.
thanks
anyway with my port job it doesnt matter if its a ITR or SIR head...its gonna give the same result at the end correct??? if both head have the same headjob with the same cams???</TD></TR></TABLE>
It might even be better then stock ITR/CTR port.
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Re: 00-01 Spec R head code (Fat Chick Magnet)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Fat Chick Magnet »</TD></TR><TR><TD CLASS="quote">
It might even be better then stock ITR/CTR port.</TD></TR></TABLE>
hahaha for sure...i have a stage 3 porting
My question was to know if the same porting would produce the same flow on an ITR and SIR head???
It might even be better then stock ITR/CTR port.</TD></TR></TABLE>
hahaha for sure...i have a stage 3 porting
My question was to know if the same porting would produce the same flow on an ITR and SIR head???
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