best b series head period end of story
what is the best flowing b series head from the factory? i understand there are slight differences between them but which is the best one?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sheepey »</TD></TR><TR><TD CLASS="quote">type r?</TD></TR></TABLE>
That'd be my guess too
That'd be my guess too
PR3, without a doubt.
...Although that's just my opinion. I believe someone on this board did a flow test between the PR3 and P72 heads and the results were nearly the same.
But again, with the PR3 head, you have more manifold options.
...Although that's just my opinion. I believe someone on this board did a flow test between the PR3 and P72 heads and the results were nearly the same.
But again, with the PR3 head, you have more manifold options.
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by D-Rob »</TD></TR><TR><TD CLASS="quote">PR3, without a doubt.</TD></TR></TABLE>
type-r heads are handported 'pr3's' from honda.
serious, i don't know wich casting they use for base, but it has pr3/p30 like combustion chamber.
so handported heads from honda will prob. flow better then stock. now don't they
for real do a flowtest and see type-r flows best.
P.S.
72-pr3 are close but pr3 is less prone to detonation and p72 is less cc's comb. chamberwise giving a higher c/r. personal preferences rule here
type-r heads are handported 'pr3's' from honda.
serious, i don't know wich casting they use for base, but it has pr3/p30 like combustion chamber.
so handported heads from honda will prob. flow better then stock. now don't they
for real do a flowtest and see type-r flows best.
P.S.
72-pr3 are close but pr3 is less prone to detonation and p72 is less cc's comb. chamberwise giving a higher c/r. personal preferences rule here
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wolve »</TD></TR><TR><TD CLASS="quote">type-r heads are handported 'pr3's' from honda.
serious, i don't know wich casting they use for base, but it has pr3/p30 like combustion chamber.
so handported heads from honda will prob. flow better then stock. now don't they
for real do a flowtest and see type-r flows best.
P.S.
72-pr3 are close but pr3 is less prone to detonation and p72 is less cc's comb. chamberwise giving a higher c/r. personal preferences rule here</TD></TR></TABLE>
Type r's are not really "hand ported" from the factory. They recieve some very minor bowl work. Nothing major. They use the pr3 casting for the type r heads. There have been plenty of stock vs stock flow tests done already. The P72 being more prone to detonation is not necessarily true. That depends on piston choice, rod length, and octane used. In unported form, im still going with the p72 head for a street application.
serious, i don't know wich casting they use for base, but it has pr3/p30 like combustion chamber.
so handported heads from honda will prob. flow better then stock. now don't they
for real do a flowtest and see type-r flows best.
P.S.
72-pr3 are close but pr3 is less prone to detonation and p72 is less cc's comb. chamberwise giving a higher c/r. personal preferences rule here</TD></TR></TABLE>Type r's are not really "hand ported" from the factory. They recieve some very minor bowl work. Nothing major. They use the pr3 casting for the type r heads. There have been plenty of stock vs stock flow tests done already. The P72 being more prone to detonation is not necessarily true. That depends on piston choice, rod length, and octane used. In unported form, im still going with the p72 head for a street application.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LsVtec92Hatch »</TD></TR><TR><TD CLASS="quote">
Type r's are not really "hand ported" from the factory. They recieve some very minor bowl work. Nothing major. They use the pr3 casting for the type r heads. There have been plenty of stock vs stock flow tests done already. The P72 being more prone to detonation is not necessarily true. That depends on piston choice, rod length, and octane used. In unported form, im still going with the p72 head for a street application.</TD></TR></TABLE>
97-98 were hand ported. 00-01 were machine. P72 and PR-3 heads are both great. I would choose a ported P72 over a ported PR-3 anyday.
Type r's are not really "hand ported" from the factory. They recieve some very minor bowl work. Nothing major. They use the pr3 casting for the type r heads. There have been plenty of stock vs stock flow tests done already. The P72 being more prone to detonation is not necessarily true. That depends on piston choice, rod length, and octane used. In unported form, im still going with the p72 head for a street application.</TD></TR></TABLE>
97-98 were hand ported. 00-01 were machine. P72 and PR-3 heads are both great. I would choose a ported P72 over a ported PR-3 anyday.
pr3 being the first gen b16 i take it. cool thats what i have. serial number starts with a 5.
when i wrote this post i totally didnt take into account the type r.
when you say you haev manifold selection with a pr3, why wouldnt you with anything else?
when i wrote this post i totally didnt take into account the type r.
when you say you haev manifold selection with a pr3, why wouldnt you with anything else?
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CRXofPain »</TD></TR><TR><TD CLASS="quote">pr3 being the first gen b16 i take it. cool thats what i have. serial number starts with a 5.
</TD></TR></TABLE>
PR-3 being an B16 head including 92-93 GSR, CTR and ITR.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CRXofPain »</TD></TR><TR><TD CLASS="quote">
when you say you haev manifold selection with a pr3, why wouldnt you with anything else?</TD></TR></TABLE>
Que? Engrish flease.
</TD></TR></TABLE>
PR-3 being an B16 head including 92-93 GSR, CTR and ITR.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CRXofPain »</TD></TR><TR><TD CLASS="quote">
when you say you haev manifold selection with a pr3, why wouldnt you with anything else?</TD></TR></TABLE>
Que? Engrish flease.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jowee 1162 »</TD></TR><TR><TD CLASS="quote">97-98 were hand ported. 00-01 were machine. P72 and PR-3 heads are both great. </TD></TR></TABLE>
VERY TRUE!!!
VERY TRUE!!!
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Used2beAb16 »</TD></TR><TR><TD CLASS="quote">He said there is a better manifold selection because the pr3 head has greater aftermarket support as far as intake manifolds go in comparison to the p72s</TD></TR></TABLE>
How so? AEBS, Skunk, Blox, AIR, Victor X and JG all make intake manifolds for both heads.
How so? AEBS, Skunk, Blox, AIR, Victor X and JG all make intake manifolds for both heads.
i have noticed though that almost all those companies release the gsr model i.m. after the b16/type r. not really a problem anymore, but it was a couple years ago.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jowee 1162 »</TD></TR><TR><TD CLASS="quote">97-98 were hand ported. 00-01 were machine. P72 and PR-3 heads are both great. I would choose a ported P72 over a ported PR-3 anyday.</TD></TR></TABLE>
Even if this is the case, the work is nothing special. In fact i would go far as to say its ****.
Even if this is the case, the work is nothing special. In fact i would go far as to say its ****.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jowee 1162 »</TD></TR><TR><TD CLASS="quote">
How so? AEBS, Skunk, Blox, AIR, Victor X and JG all make intake manifolds for both heads.</TD></TR></TABLE>
I was merely clarifying what he meant by his statement if you read back.
Recently, most manufacturers have been releasing IMs for the p72 head, but alot of times any new company will release the head for the pr3 if they have to choose which they will develop and produce first.
How so? AEBS, Skunk, Blox, AIR, Victor X and JG all make intake manifolds for both heads.</TD></TR></TABLE>
I was merely clarifying what he meant by his statement if you read back.
Recently, most manufacturers have been releasing IMs for the p72 head, but alot of times any new company will release the head for the pr3 if they have to choose which they will develop and produce first.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by LsVtec92Hatch »</TD></TR><TR><TD CLASS="quote">
Even if this is the case, the work is nothing special. In fact i would go far as to say its ****.</TD></TR></TABLE>
OEM port job is ****? wow....
Even if this is the case, the work is nothing special. In fact i would go far as to say its ****.</TD></TR></TABLE>
OEM port job is ****? wow....
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jowee 1162 »</TD></TR><TR><TD CLASS="quote">OEM port job is ****? wow....</TD></TR></TABLE>
I realize its a bit of a bold statement, but im not the only one who feels this way. There are a few very respected head porters on this board who share the same opinion.
I realize its a bit of a bold statement, but im not the only one who feels this way. There are a few very respected head porters on this board who share the same opinion.
and a few also have an opinion thats something like this...
honda is VERY smart at balancing reliability, and power production
u only get to pick 2 out of 3, right? (cheap, fast,reliable)
i think honda aimed towards cheap and reliable, even in their sub 30k ITR
honda is VERY smart at balancing reliability, and power production
u only get to pick 2 out of 3, right? (cheap, fast,reliable)
i think honda aimed towards cheap and reliable, even in their sub 30k ITR
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jowee 1162 »</TD></TR><TR><TD CLASS="quote">I'm sure it is "****" compared to a Portflow or Alaniz port job, but it's not too shabby out of the box.</TD></TR></TABLE>
Ok, ill agree with that if it ends this pointless thread.
Ok, ill agree with that if it ends this pointless thread.
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