Which head is better and why?

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Jun 9, 2005 | 04:46 PM

Hatchorama

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From: Madison, Wisconsin, U.S.A

Which head is better and why?

I'd like to know what head is better overall becuase I will be doing a mild port and polish to whatever I get, a GSR head or a B16 head (sirII).

Jun 9, 2005 | 05:14 PM

Yambor

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From: rebuilding in, wv, United States

Re: Which head is better and why? (Hatchorama)

Supposively b16 head flows better than a p72 gsr head...Obviously you can make a gsr head flow better than a b16 with porting and such. Yet the debate will rant and rave on forever. Do some searching and compare the two.

Jun 9, 2005 | 06:08 PM

Suck my DX

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From: Pasadena, CA

Re: Which head is better and why? (JH4DC4-2GSR)

gsr head has higher compression than the b16 head

Jun 9, 2005 | 06:22 PM

Yambor

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From: rebuilding in, wv, United States

Re: Which head is better and why? (Suck my DX)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Suck my DX »</TD></TR><TR><TD CLASS="quote">gsr head has higher compression than the b16 head</TD></TR></TABLE>

Just to clear it up. The GSR Head will yield higher compression. It does'nt have higher compression..

Jun 9, 2005 | 06:31 PM

Suck my DX

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From: Pasadena, CA

Re: Which head is better and why? (JH4DC4-2GSR)

you know what i mean

Jun 9, 2005 | 07:13 PM

Rocket

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Re: Which head is better and why? (Suck my DX)

I've ported both. For big motors I would do B16.

In unported form P72 is almost always better than PR3. The valve seats on the P72 are much better aligned in the ports.

Jun 9, 2005 | 07:25 PM

onepoint6i

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From: Single track SD

Re: Which head is better and why? (Rocket)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Rocket »</TD></TR><TR><TD CLASS="quote">I've ported both. For big motors I would do B16.

In unported form P72 is almost always better than PR3. The valve seats on the P72 are much better aligned in the ports.</TD></TR></TABLE>

good ****, learn something new everyday

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Jun 9, 2005 | 07:56 PM

Joebroni

Joined: Sep 2004

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From: OKC, OK, USA

From what I've always heard, the GSR head is the better head as far as flow. BUT, the difference is like 3cfm at over 7k rpm's or some ****, basically, not anything noticeable.

Jun 9, 2005 | 08:16 PM

VSBB6

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From: Canada

Re: (Joebroni)

How about H22? I heard they are very good flow even from factory.

Jun 9, 2005 | 08:23 PM

#10

Kendall

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From: Hendersonville, NC

Re: (VSBB6)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by VSBB6 »</TD></TR><TR><TD CLASS="quote">How about H22? I heard they are very good flow even from factory.</TD></TR></TABLE>

But as good as they are, what purpose would getting an H22 head serve when we're dealing with a B series setup?

Jun 9, 2005 | 08:27 PM

#11

onepoint6i

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From: Single track SD

Re: (Kendall)

exactly what i was thinking

^^^^

Jun 9, 2005 | 09:08 PM

#12

eg6hatch3

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From: MA, US

Re: Which head is better and why? (Hatchorama)

GSR kid,, go with best,,, u will gain more with a gsr.

Jun 10, 2005 | 08:16 AM

#13

dfoxengr

Joined: May 2002

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From: banned NC

Re: Which head is better and why? (Suck my DX)

its all peanuts and popsicles....

Jun 10, 2005 | 03:22 PM

#14

CRVTEC0WNZJ00

Joined: Aug 2004

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From: Greenwood, IN, USA

Re: Which head is better and why? (hybridvteceg)

ITR head is still the best factory head I'd say.

Jun 10, 2005 | 03:47 PM

#15

onepoint6i

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From: Single track SD

Re: Which head is better and why? (CRVTEC0WNZJ00)

all in all, it doesnt matter which head is better or not, its all on who actually ports it,thats where the difference will be

Jun 10, 2005 | 07:54 PM

#16

Combustion Contraption

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From: So Cal

Re: Which head is better and why? (CRVTEC0WNZJ00)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CRVTEC0WNZJ00 »</TD></TR><TR><TD CLASS="quote">ITR head is still the best factory head I'd say.</TD></TR></TABLE> <<< debateable.

In an allmotor application, we've been taught over and over that compression is king, yada yada yada, and this is true to an extent. But all the compression in the world doesnt matter if you dont get a good burn out of the mix.

In an unported, under 9krpm, street driven application, i think 10 out of 10 times you go with the GSR head if you can.

Just my .02, disagree if you will, but those who heed sound advice are often faster on raceday.

Jun 10, 2005 | 08:17 PM

#17

92TypeR

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From: Drinking Beer, UT

Re: Which head is better and why? (LsVtec92Hatch)

Dart.

Jun 11, 2005 | 12:15 AM

#18

ShaunRR

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From: Rochester, MN, US

Re: Which head is better and why? (LsVtec92Hatch)

There are far fewer casting imperfections on the GSR heads than there are on most of the B16 heads as well.

Jun 11, 2005 | 11:11 AM

#19

MAX_CFM

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From: Charlotte, NC, USA

Re: Which head is better and why? (rochesterricer)

Since every one Knows .. I guess il chime in .....

GSR head is good for Low lift .. to Mid ...

B16 head Good for mid to hi lift cams ...

End of story .........

Jun 13, 2005 | 03:11 PM

#20

Hatchorama

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From: Madison, Wisconsin, U.S.A

Thanks guys.

Jun 13, 2005 | 03:22 PM

#21

Professor15

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From: Long Island, N.y, usa

Re: Which head is better and why? (MAX_CFM)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MAX_CFM »</TD></TR><TR><TD CLASS="quote">Since every one Knows .. I guess il chime in .....

GSR head is good for Low lift .. to Mid ...

B16 head Good for mid to hi lift cams ...

End of story .........</TD></TR></TABLE>can you elaborate more as to why each one is better?

Jun 14, 2005 | 01:50 PM

#22

Rocket

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Re: Which head is better and why? (drchulo)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by drchulo »</TD></TR><TR><TD CLASS="quote">can you elaborate more as to why each one is better?</TD></TR></TABLE>

If you have cams with good duration above 0.450 lift then B16 will perf. better.