Extremely strong timing set for a 427?
04-08-2007, 11:16 AM
#1
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Extremely strong timing set for a 427? Hey guys, i have a friend with fairly nasty 427(C5R/MTI topend)which makes in the area of 580+whp/565+wtq...He has been having an issue with timing chains in the past year....
He first broke a Rollmaster double, and was then instructed by MTI to go with a LS2 set that they installed. Well low and behold he broke that unit yesterday....
What chain/gearset would you reccomend for a "bulletproof", reliable timing assembly?
TIA
He first broke a Rollmaster double, and was then instructed by MTI to go with a LS2 set that they installed. Well low and behold he broke that unit yesterday....
What chain/gearset would you reccomend for a "bulletproof", reliable timing assembly?
TIA
04-08-2007, 01:46 PM
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Originally Posted by wavrdr
Hey guys, i have a friend with fairly nasty 427(C5R/MTI topend)which makes in the area of 580+whp/565+wtq...He has been having an issue with timing chains in the past year....
He first broke a Rollmaster double, and was then instructed by MTI to go with a LS2 set that they installed. Well low and behold he broke that unit yesterday....
What chain/gearset would you reccomend for a "bulletproof", reliable timing assembly?
TIA
He first broke a Rollmaster double, and was then instructed by MTI to go with a LS2 set that they installed. Well low and behold he broke that unit yesterday....
What chain/gearset would you reccomend for a "bulletproof", reliable timing assembly?
TIA
04-08-2007, 05:18 PM
#4
I agree that something else is wrong. Sounds like cam walk to me. I personally have a JP performance billet double roller from Australia, which seems to be a extremley nice piece, but I would first check the cams end play before installing another one.
04-08-2007, 10:21 PM
#6
Cloyes 9-3153AL
From Cloyes:
ORDER SET #9-3153AL
THIS SET FEATURES RENOLDS “EXTREME DUTY” SINGLE ROLLER, TRUE® ROLLER CHAIN, PROVEN TO WELL OVER 10,000 RPM THIS SINGLE ROLLER CHAIN HAS IT’S ROOTS IN OPEN WHEEL RACE ENGINES. THE LINK PLATES AND ROLLERS ARE PRE-STRESSED, LEADING TO INCREASED LOAD CARRYING CAPABILITY, ALLOWING FOR HIGHER CHAIN VELOCITIES. THE PINS ARE MADE FROM A SPECIAL ALLOY, AND SUBJECTED TO A PROPRIETARY HEAT-TREAT PROCESS THAT IMPROVES FATIGUE RESISTANCE.
This is the set Katech used on the C5R.
From Cloyes:
ORDER SET #9-3153AL
THIS SET FEATURES RENOLDS “EXTREME DUTY” SINGLE ROLLER, TRUE® ROLLER CHAIN, PROVEN TO WELL OVER 10,000 RPM THIS SINGLE ROLLER CHAIN HAS IT’S ROOTS IN OPEN WHEEL RACE ENGINES. THE LINK PLATES AND ROLLERS ARE PRE-STRESSED, LEADING TO INCREASED LOAD CARRYING CAPABILITY, ALLOWING FOR HIGHER CHAIN VELOCITIES. THE PINS ARE MADE FROM A SPECIAL ALLOY, AND SUBJECTED TO A PROPRIETARY HEAT-TREAT PROCESS THAT IMPROVES FATIGUE RESISTANCE.
This is the set Katech used on the C5R.
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04-10-2007, 08:20 AM
#9
Here is a little fact on the C5-R chain:
It has NEVER broken in all of racing 24 hours of Le Mans, and durability testing 26-30 hours on the dyno. If you break it, there is something wrong.
It has NEVER broken in all of racing 24 hours of Le Mans, and durability testing 26-30 hours on the dyno. If you break it, there is something wrong.
