Head Gaskets??!!! - Page 3 - EvoXForums.com

Doubleup · 03-24-2012, 03:29 AM

Here is the official response I got from Cosworth:
"This particular stud has a tensile strength of 240k psi.* At the same torque setting as the ARP2000's, you will see similar clamping loads.* The advantage that you'll see with our stud is that this setting will put you farther from yield than your previous stud.*

The torque we recommend is what we tested with and found to have good sealing.* You could raise this torque setting if necessary, but note that this could affect sealing by distorting the aluminum head.

Best regards

Kyong Choi
Performance Parts Sales Manager"

Doubleup · 03-30-2012, 04:08 AM

From another thread comparing Cosworth to Cometic... Still on the fence here...

http://jdm-insider.com/Blogs/Eric/wp...10/gaskets.jpg

chkmgnt59 · 04-01-2012, 03:25 AM

We had cometic custom make me one in 88mm. It's been perfect

04-01-2012, 03:25 AM	#23
chkmgnt59 Forum Lackey Join Date: May 2009 iTrader: (100) Location: Allen, Tx Posts: 3,372	We had cometic custom make me one in 88mm. It's been perfect __________________ Current: 997 Turbo - not stock Previous: 997 GT3 - Tons of track mods (sold) 08 Evo GSR-724whp / 558wt (sold)

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03-24-2012, 03:29 AM	#21
Doubleup Just Spooling Up Join Date: Dec 2010 iTrader: (100) Posts: 208	Here is the official response I got from Cosworth: "This particular stud has a tensile strength of 240k psi.* At the same torque setting as the ARP2000's, you will see similar clamping loads.* The advantage that you'll see with our stud is that this setting will put you farther from yield than your previous stud.* The torque we recommend is what we tested with and found to have good sealing.* You could raise this torque setting if necessary, but note that this could affect sealing by distorting the aluminum head. Best regards Kyong Choi Performance Parts Sales Manager"

03-30-2012, 04:08 AM	#22
Doubleup Just Spooling Up Join Date: Dec 2010 iTrader: (100) Posts: 208	From another thread comparing Cosworth to Cometic... Still on the fence here... http://jdm-insider.com/Blogs/Eric/wp...10/gaskets.jpg

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