This is topic whoa - is the clutch slipping or what? in forum Drag Racing at Northern California Ford Owners .
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Posted by Olie Malit (Member # 11008) on
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http://www.youtube.com/watch?v=Hkai68kaXt0
new 521, new kevlar/metal custom made clutch, modified tko600 trans.
1st pass i left the suspension settings to my old 460 and i was all over the place so i just coasted the last 1/8 so i wouldn't hit the wall.
2nd pass, got a little closer to not spinning.
3rd pass i got traction and i'm going straight which is the video above. the rpms automatically want to stay around my 6100rpms shift point and sometimes is hitting the rev limiter at 6300.
got an email from moderndriveline and he said i need to have 500 city miles before a drag strip. that doesn't sound right cuz i would think a clutch should not slip regardless this bad.
Posted by SS396 chevelle aka fasthatch (Member # 7277) on
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cluches need to be seated just like brakes do you not going to going hit the hills with new brake an hope stops like did with the old ones
Posted by Wrenchin (Member # 9529) on
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If you don't wear the flywheel, pressure plate and clutch with each other. (Which is why they suggest minimum of 500 miles). You will get slipping. Better hope that clutch is still good.
Posted by Olie Malit (Member # 11008) on
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even though they still have slicks on it, i took it around the block for a few laps and the clutch seems to be working just fine like nothing is wrong.
maybe i should put it on jacks and keep cycling thru all the gears to try to get as much mileage as possible.
i probably only have less than 100 miles on it.
Posted by 5.0 LsX (Member # 10017) on
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you need stop and go driving, wont be under load if you jack it up
Posted by Olie Malit (Member # 11008) on
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i got to figure out a few things before i could start driving again. i somehow closed the gaps on two spark plugs.
Posted by SLWST50 (Member # 11113) on
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You should never run a car on stands with a new clutch. Ask any clutch manufacturer...
Posted by cemelevu (Member # 10601) on
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yeah you have got to seat the clutch before any track time. 500 miles is minimum. its the most agonizing 500 miles you will ever drive. seems like every yahoo out there wants to challenge you during that time.
Posted by 87 coupe (Member # 10919) on
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Very true like Sschevelle says u got to brake it In one time I put a new clutch did all kinds of burn out and eversince clutch was never good again.
Posted by FIFTY BOYEEE (Member # 11565) on
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Call any speed shop or ceramic/kevlar clutch manufacturer
all I've ever heard was break it in or its garbage. So I break them in like recommended.
Posted by Olie Malit (Member # 11008) on
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i'll be putting more miles on the car but with the old motor now. the new motor had 2 bad pistons and is waiting to go back to washington for repairs.
the new clutch however is made for alot more power than the old motor has but i guess i'll be ok.
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