Winston Cup Technology coming to LS1. . .
Thread Starter
Joined: Oct 2003
Posts: 1,386
Likes: 39
From: Tri-Cities, TN
Winston Cup Technology coming to LS1. . . Just a heads up that the Super 7 style valve lock will be
available for the LS1 8mm bead groove valve at the first of the year. The super 7 was developed around the Winston Cup engine builders for its clamping
ability. If a spring was to break, the valve could drop and damage the engine. The Super 7's design characteristics prevents this by allowing the retainer/lock/and valve to "stay together." This is why you here of Cup engines running several laps with broken springs, where as conventional stuff will pop out when a spring breaks. . .drop the valve. . .and then it gets expensive.
The keepers are fully CNC machined from alloy steel and are black oxided. These locks will fit any Super 7 style Titainium retainer along with a new 1.250" retainer that will be available also.
Cstraub
Stef's/B&B Performance
available for the LS1 8mm bead groove valve at the first of the year. The super 7 was developed around the Winston Cup engine builders for its clamping
ability. If a spring was to break, the valve could drop and damage the engine. The Super 7's design characteristics prevents this by allowing the retainer/lock/and valve to "stay together." This is why you here of Cup engines running several laps with broken springs, where as conventional stuff will pop out when a spring breaks. . .drop the valve. . .and then it gets expensive.
The keepers are fully CNC machined from alloy steel and are black oxided. These locks will fit any Super 7 style Titainium retainer along with a new 1.250" retainer that will be available also.
Cstraub
Stef's/B&B Performance
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Thread Starter
Joined: Oct 2003
Posts: 1,386
Likes: 39
From: Tri-Cities, TN
First run of 20K should be done around Christmas and will be shipped to existing cylinder head mfgs. At that time pricing will be set and product will be available to existing Stef's/B&B accounts and new wholesale accounts interested in product. Lock is designed to retro-fit on OEM valves and aftermarket bead groove 8mm stem diameters.
Cstraub
Stef's/B&B Performance
Cstraub
Stef's/B&B Performance
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I too would like a pic. I'm extremely interested. How exactly do they keep everything together when a spring breaks? I have done the spring swap in my car before, and I'm assuming your talkin about the two small locks that keep the spring in place. Am I correct? This really is an awesome product considering the worries with valvesprings on high lift cams!!
Cheers,
Cheers,
Last edited by distortion_69; Oct 30, 2003 at 10:34 PM.
Originally Posted by MTI 427 C5 Roadster
THAT is WAY COOL!!!!
Something like this:
http://www.powermechanics.com/parts/keepers.html
Here's a pic of my solid roller valvetrain (with them, if what Paul said is true for me
)
http://akmcables.com/srheads.jpg
Look like locks to me, guess they work better than conventional locks.
http://www.powermechanics.com/parts/keepers.html
Here's a pic of my solid roller valvetrain (with them, if what Paul said is true for me
)http://akmcables.com/srheads.jpg
Look like locks to me, guess they work better than conventional locks.
TECH Fanatic
Joined: Nov 2001
Posts: 1,695
Likes: 9
From: Raleigh, NC
Originally Posted by Cstraub
First run of 20K should be done around Christmas and will be shipped to existing cylinder head mfgs. At that time pricing will be set and product will be available to existing Stef's/B&B accounts and new wholesale accounts interested in product. Lock is designed to retro-fit on OEM valves and aftermarket bead groove 8mm stem diameters.
Cstraub
Stef's/B&B Performance
Cstraub
Stef's/B&B Performance
Will these be able to be "retrofitted" without dissasembling the head?
Thread Starter
Joined: Oct 2003
Posts: 1,386
Likes: 39
From: Tri-Cities, TN
The angle itself, 14 degree included, is what enables the lock to stay as one with the retainer and valve stem. As far as the lock goes it is larger then the stamped OEM lock.
To retro the valve lock on to installed cylinder heads is very simple with the aid of a spring compressor and compressed air by way of a fitting screwed into the spark plug hole. Lock will have to be used with correct retainers to fit the valve spring. 2 new valve springs will be introduced late this year that are designed for the LS1. One of the springs is a "drop in" 1.250" spring with 135# on the seat and 340# open and will handle .630" at the 1.800" install height.
Cstraub
To retro the valve lock on to installed cylinder heads is very simple with the aid of a spring compressor and compressed air by way of a fitting screwed into the spark plug hole. Lock will have to be used with correct retainers to fit the valve spring. 2 new valve springs will be introduced late this year that are designed for the LS1. One of the springs is a "drop in" 1.250" spring with 135# on the seat and 340# open and will handle .630" at the 1.800" install height.
Cstraub
