Interesting Flow Data....(Long thread) - Page 15 - LS1TECH



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Old 01-06-2010, 10:25 PM   #281
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how would the heads do on my 427ci LS6......with a 92/92 & F1-A
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Old 03-17-2010, 08:51 PM   #282
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Guys,

I need to visit this thread more often....I apologize about that.

Im short on time now but will update you on the 245 shortly and a recent 225 head I did some work on with really nice results.

Give me a few days and I will get back here with that info....245 is days/weeks away at best.

-Tony
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Old 04-25-2010, 04:54 PM   #283
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Hello, I just signed up today so I guess I'm a noob. Anyways I have been porting heads [many different kinds] for a while and I recently did my first set of LS1 heads for someone and paid to have an intake and ex runner flowed. They were 6.0L "317" truck heads here are some before numbers I found online of the exact casting... dumbass I am... should have flowed them before, the guy didn't seem all that interested in doing that, till they were done...

Casting Number 317, 035
Head: 2001+ LQ4 and LQ9 6.0 Liter Truck
Material: Aluminimum
Part Number:
12562317 -LQ4
12572317 -LQ9
12572035 -LQ9
Combustion Chamber Volume: 71.06cc
Compression Ratio: 10:1 LQ9 Flat top pistons
Compression Ratio: 9.6:1 LQ4 Dish piston
Intake Port Volume: 210cc
Exhaust Port Volume: 75cc
Intake Valve Diameter: 2.00 inches
Exhaust Valve Diameter: 1.55 inches

Stock Head Flow Numbers
Chamber 71.06cc----0.100---0.200---0.300---0.400---0.500---0.550---0.600
Intake 210cc----------66------142-----196-----228----236---238----240
Exhaust 75cc----------59------104-----137-----155----167---173----177

Here is after #s. Stock valves still etc.
INT
.200" - 147.3
.300" - 212.6
.400" - 251.5
.500" - 272.4
.600" - 271
.700" - 272

EX
.200" - 117
.300" - 154.5
.400" - 180
.500" - 201
.600" - 219
.700" - 222

& some pics...
http://ohreally.mnsi.net/ls1bowl1.jpg
http://ohreally.mnsi.net/ls1bowl.jpg
http://ohreally.mnsi.net/ls1bowlported.jpg
http://ohreally.mnsi.net/ls1intrunner.jpg
http://ohreally.mnsi.net/ls1intported.jpg
http://ohreally.mnsi.net/ls1exrun.jpg
http://ohreally.mnsi.net/ls1exrunported.jpg
http://ohreally.mnsi.net/ls1headex.jpg
http://ohreally.mnsi.net/ls1runnersported.jpg
http://ohreally.mnsi.net/ls1done.jpg

I'm just wondering how I did.. you can't see from the angle of the pics, but I did make a hole where the rocker bolt boss was.. I made a plug for the hole and then blended it, and had him test it w/o the plug and with.. and the difference was NIL.... Thanks.
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Old 06-01-2010, 01:29 PM   #284
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Nice thread

wish to be sticky

it contain good information
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Old 07-31-2010, 05:58 PM   #285
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Any new info?
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Old 12-20-2010, 09:30 AM   #286
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What would you recomend when it comes to brands of heads and cam packs? and is Trick Flow 500 HP GenX package a waste of money or a good investment?
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Old 04-07-2011, 02:08 PM   #287
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That's a good increase in flow.
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Old 04-13-2011, 12:53 AM   #288
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Tony if I had a set of l92 heads for a 6l turbo setup could u port them for good numbers. I wana run edelbrock vr intake and carb. Would b blow through. Or is it cheaper and smarter to just buy a new set of afrs? I have afr 210s on my stock 350 block turbo setup running 8.80s at 153 with the out of the box race port not comp. And 8.4:1 w 15psi and t88 on pump e85 in a s10 that is 3600lb. Afrs flat make power.
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Old 08-25-2013, 09:36 PM   #289
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Im Loving these rite ups
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Old 03-04-2015, 09:20 PM   #290
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It's like they're testing the first casts and then the commercialization alters numbers.. Nothing against anyone and I also forget the name but I've found heads that has similar numbers but cheaper than AFR
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