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Ive had a Jim berry clutch in my car for ages and he said to remachine the standard flywheel as the weight would be better for the drags. Mine has held just under 400rwkw for months with lots or hard driving on street and at the track with slicks.

What ever he tells you go with that.

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He's been doing this for more years than you've been alive. You don't stay in business that long by being a d1ckhead. Have a chat to Jim for 5 mins (good luck, he likes a chat) and you'll see what we all mean.

I have no need to chat to jim about clutches, i have my own place locally called DIRECT CLUTCH

DIRCET CLUTCH > JIM BERRY

thanks anyways :D

and hes been doing clutches for 25 years WOW :thanks:

Richard, if you're still reading, any idea what kind of power levels the cars that you know of that blew a flywheel?

one as low as 230hp exploded going down the main straight at oran park. benm i'm guessing was around 300rwkw exploded on launch at WSID. there was another guy on here with a GTR and a JB clutch and stock flywheel that exploded (Paul will remember I think he worked on the car, or knew the guy at least) I can't remember the nickname of the guy or the exact circumstance. a friend in a silvia had one go with around 200rwkw.

can probably dig out more examples but that should be enough.

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