IMPROVEMENTS To The PRC LS6 Street Heads!!
10-29-2006, 03:00 PM
#1
IMPROVEMENTS To The PRC LS6 Street Heads!! Well guys after a month of tweaking & updating the LS6 program I'm proud to say the all new PRC LS6 port is now complete! This new port features smaller 230cc runners in place of the previous 237cc runner! This new runner will offer improved velocity, & equal flow to the previous port! As a result of these updates the new cylinder head will take less time to machine & nolonger need to be welded for rocker pedestal bracing. In 3 or 4 extreme circumstances the previous ports intake rocker pedestals have cracked under extreme use. While 3 or 4 heads out of several hundred is not a bad problem, we had been contracting out welding to the cylinder heads to provide support around the rocker area. (much like the GM Lingenfelter LS6 head has) These modifications weren't really neccessary, but more insurance than anything else. Fortunately the new program allows for no welding modifications to the cylinder head! As a result the cylinder heads now cost us a little less to produce! This drop in cylinder head cost allows us to now provide customers with a free 2.02" stainless steel valve upgrade!
These changes to the heads results in:
1. Smaller Runners
2. free 2.02" valve upgrade! (improved cylinder head flow as a result)
3. near stock p/v!!
4. improved velocity
Here's a few images I took of a set just out of the wash
These changes to the heads results in:
1. Smaller Runners
2. free 2.02" valve upgrade! (improved cylinder head flow as a result)
3. near stock p/v!!
4. improved velocity
Here's a few images I took of a set just out of the wash
__________________
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
10-29-2006, 03:20 PM
#4
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Would these heads be a good match for the Torquer V3 or is there something better you guys offer?
Car is a DD and I am willing to trade off some driveability.
R/
Frat
Car is a DD and I am willing to trade off some driveability.
R/
Frat
10-29-2006, 04:39 PM
#7
Originally Posted by Jason 98 TA
Well guys after a month of tweaking & updating the LS6 program I'm proud to say the all new PRC LS6 port is now complete! This new port features smaller 230cc runners in place of the previous 237cc runner! This new runner will offer improved velocity, & equal flow to the previous port! As a result of these updates the new cylinder head will take less time to machine & nolonger need to be welded for rocker pedestal bracing. In 3 or 4 extreme circumstances the previous ports intake rocker pedestals have cracked under extreme use. While 3 or 4 heads out of several hundred is not a bad problem, we had been contracting out welding to the cylinder heads to provide support around the rocker area. (much like the GM Lingenfelter LS6 head has) These modifications weren't really neccessary, but more insurance than anything else. Fortunately the new program allows for no welding modifications to the cylinder head! As a result the cylinder heads now cost us a little less to produce! This drop in cylinder head cost allows us to now provide customers with a free 2.02" stainless steel valve upgrade!
These changes to the heads results in:
1. Smaller Runners
2. free 2.02" valve upgrade! (improved cylinder head flow as a result)
3. near stock p/v!!
4. improved velocity
Here's a few images I took of a set just out of the wash
These changes to the heads results in:
1. Smaller Runners
2. free 2.02" valve upgrade! (improved cylinder head flow as a result)
3. near stock p/v!!
4. improved velocity
Here's a few images I took of a set just out of the wash
The old heads flowed 307 @ .600lift, what do these new ones flow??
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10-29-2006, 06:50 PM
#9
They will stay at the 1049 price even with the upgraded intake valves!
__________________
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
Jason
Co-Owner, Texas Speed & Performance, Ltd.
2005 Twin Turbo C6
404cid Stroker, 67mm Twins
994rwhp/902lb ft @ 22 psi (mustang dyno) www.Texas-Speed.com
10-30-2006, 06:52 AM
#19
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Jason, can you describe the valvejob? Is it a multi-angled or is it radiused on both sides of the margin?
Thanks guys! Glad to see continuing improvements to a great product already!
Ben T.
Thanks guys! Glad to see continuing improvements to a great product already!
Ben T.
