FS: KILLER Futral/Meaux Racing LS6 S3 Cylinder Heads
#1
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
These started as MTI S3 LS6 heads on prior engine. Futral/Meaux Racing touched them up for my new engine with a new valve job and new valve springs.
Here's what they flowed before and after on the same bench:
Before:
in ex
.200" 126.1 101.7
.300" 188.9 146.7
.400" 246.1 181.5
.500" 286.9 200.2
.550" 300.8 205.9
.600" 311.2 211.2
.650" 302.1 215.2
.700" 302.5 218.0
Flowed on a 4.125" test bore,radius inlet,no pipe @28"
After:
in ex
.200 136.4 115.2
.300 205.0 172.9
.400 266.8 216.3
.450 281.5
.500 297.6 226.2
.550 312.2
.600 322.9 231.6
.650 326.0
**4.125" fixture @ 28" no-pipe, radius inlet
They have less than 3K miles on them since being refreshened.
I'm going with a bigger set of heads
They have 2.080" Intake and 1.60" exhaust valves. K-Motion K800 valve springs, installed height of 1.850", combustion chamber volume 62.5CC
Pics:
http://www.kyhorsepower.com/levi/engine2.JPG
http://www.kyhorsepower.com/levi/engine1.JPG
http://www.kyhorsepower.com/levi/engine.JPG
http://www.kyhorsepower.com/levi/engine3.JPG
Price $1850 shipped.
These heads are truely bad ***!
E-mail: ldproc0@uky.edu
Here's what they flowed before and after on the same bench:
Before:
in ex
.200" 126.1 101.7
.300" 188.9 146.7
.400" 246.1 181.5
.500" 286.9 200.2
.550" 300.8 205.9
.600" 311.2 211.2
.650" 302.1 215.2
.700" 302.5 218.0
Flowed on a 4.125" test bore,radius inlet,no pipe @28"
After:
in ex
.200 136.4 115.2
.300 205.0 172.9
.400 266.8 216.3
.450 281.5
.500 297.6 226.2
.550 312.2
.600 322.9 231.6
.650 326.0
**4.125" fixture @ 28" no-pipe, radius inlet
They have less than 3K miles on them since being refreshened.
I'm going with a bigger set of heads
![Devil](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_devil.gif)
They have 2.080" Intake and 1.60" exhaust valves. K-Motion K800 valve springs, installed height of 1.850", combustion chamber volume 62.5CC
Pics:
http://www.kyhorsepower.com/levi/engine2.JPG
http://www.kyhorsepower.com/levi/engine1.JPG
http://www.kyhorsepower.com/levi/engine.JPG
http://www.kyhorsepower.com/levi/engine3.JPG
Price $1850 shipped.
These heads are truely bad ***!
E-mail: ldproc0@uky.edu