hand ported 243's, how do these look?

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May 20, 2008 | 07:59 AM

#21

GuitsBoy

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From: Long Island, NY

Quote:

Originally Posted by KCS

If I remember correctly, you want to remove material there if you want good flow numbers.

But you don't want to remove material there if you want to try to keep the air from seperating off the short turn radius.

Im not sure what specifically youre referring to... The swirl ramp? If so, every major porter has been taking them down without any problems with insufficient fuel mixing at low rpm. You usually see some of the ramp left in because the water jacket is pretty close and you don't want to break through.

May 20, 2008 | 08:04 AM

#22

VIPERBLUELX

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From: Ringgold, GA

Before anyone gets too tore up about which castings they are let me take some new pics when the heads get here today.

May 20, 2008 | 11:46 AM

#23

5_02ls1

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From: Virginia

they should

Quote:

Originally Posted by 2 SSlow

They look good, but what do they flow? Also how big is the intake runner? They look kind of big, but you can't really tell just looking at a pic. The combustion chamber looks more like a 317 head (72cc chamber), along with the d-shaped exhaust ports.

they shoold look like 317s the chamber on the 317 is bigger thats the only difference..alot of the cnced ls6 heads sold are a 317 casting with a welded up chamber....

the heads look good...

May 20, 2008 | 03:40 PM

#24

Beaflag VonRathburg

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From: Jax Beach, Florida

Patriot uses 035 heads with welded chambers. I'd like to see more pictures of the port work. They look very nice.

May 20, 2008 | 05:26 PM

#25

VIPERBLUELX

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From: Ringgold, GA

Sorry, he sent the wrong pics, here are a few of my actual heads.

May 20, 2008 | 05:38 PM

#26

SIC LSX

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From: Bossier city,LA barksdale AFB

flow#'s?

May 20, 2008 | 06:06 PM

#27

Steve Bryant

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From: Wichita, Ks

I'm pretty sure that the heads in the first pictures are 317 or 035 heads. These heads have essentially the same exhaust and intake ports and a 72 cc combustion chamber that is very similar to a 241 head. The 317/035 head was used on the LQ4/LQ9 engine from 2001 and after.

Steve

May 20, 2008 | 09:27 PM

#28

KCS

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From: Conroe, TX

Quote:

Originally Posted by GuitsBoy

I don't know about "fuel mixing" at low RPM, but I remember something about that material, or dam, helping keep the air from seperating off of the short turn at high RPM. Something to the effect of the angled farring in LS7 heads.

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May 20, 2008 | 09:43 PM

#29

VIPERBLUELX

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From: Ringgold, GA

Quote:

Originally Posted by DansRedz28

flow#'s?

Still don't know yet, but as long as they work I could care less what they flow.

May 20, 2008 | 09:55 PM

#30

SIC LSX

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From: Bossier city,LA barksdale AFB

im sure they will work great, but if he had some flow #'s he would get more buisness if they are over 300cfm @600 lift thats good. So people can see if its worth sending him your heads ya know

May 27, 2008 | 03:10 PM

#31

VIPERBLUELX

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From: Ringgold, GA

The heads certainly worked, gained 32rwhp.
https://ls1tech.com/forums/dynamometer-results-comparisons/927656-gained-32rwhp-after-ported-head-swap.html

May 27, 2008 | 09:32 PM

#32

KCS

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From: Conroe, TX

Who dyno'd the car?

May 27, 2008 | 09:34 PM

#33

TopFlite

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From: 415 Northern CA

I think they look very good for a non sponsor port job.

May 27, 2008 | 09:36 PM

#34

VIPERBLUELX

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From: Ringgold, GA

Quote:

Originally Posted by KCS

Who dyno'd the car?

Vengeance Racing

Jun 4, 2008 | 10:07 PM

#35

coupe performance

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Quote:

Originally Posted by VIPERBLUELX

Still don't know yet, but as long as they work I could care less what they flow.

This is where I stand....however, I swear I'm gonna get 'em on here ASAP. So many heads...so little time.LOL.

Jun 12, 2008 | 02:15 PM

#36

VIPERBLUELX

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From: Ringgold, GA

Here's the flow numbers and info I got today.

Intake .100=74
.200=160
.300=195
.400=273
.500=296
.600=315
Exhaust .200=110
.300=158
.400=198
.500=220
.600=232

Exhaust was measured without a pipe. Take these for what they are worth, as my flowbench is nothing fancy, nor do I think it really backs up to other benches very well. Not only that, it is dry flow, not wet flow.Sorry for the delay.-Scott

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