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Hi-po clutch options

What clutch options do I have for a hi performance 914 clutch, will the stock clutch handle 150-190 hp? If not what options do I have, I've heard that the 911 clutch will work, is this so. I did a search and came up with nothing tangible.

Randy
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Old 03-17-2003, 04:24 AM
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Randy, I've heard that clutch starts slipping at 180 hp(actually torque @ 180) and higher. I know Centerforce has a clutch package for the 914 whitch gives 95% more holding power and there's others out there too. Good luck, Ralph

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Old 03-17-2003, 05:43 AM
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from reading on the 911 board , most high performance clutches are full off/ full on. ie lacking streetability over the stock set up.

the step we have on the 914 flywheels is different than the later flat surface 911 flywheel. something 69-70 might work?
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Old 03-17-2003, 07:08 AM
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Re: Hi-po clutch options

Quote:
Originally posted by 1bad914
What clutch options do I have for a hi performance 914 clutch, will the stock clutch handle 150-190 hp? If not what options do I have, I've heard that the 911 clutch will work, is this so. I did a search and came up with nothing tangible.

Randy
Pelican http://www.pelicanparts.com/catalog/shopcart/9144/por_9144_clutch_main.htm offers a Sachs 'Sport' Pressure Plate and a 911 disc for the 914.

Alfred
Old 03-17-2003, 09:28 AM
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I use a Kennedy Engineering Stage I clutch. It's holding up fine to 200+ hp. Gud prices, gud service, gud products.
This is with the early 911 flywheel which is the same size as the 4 banger flywheel, 215mm, as I recall.

They make higher pressure units, but one must be careful with the fragile clutch linkage/firewall tube.
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Old 03-17-2003, 11:56 AM
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OTTO told me a few weeks ago that the clutch in "Rudy" (914-6 3.8RSR race car) is slipping...even with a brand new race disc. They basically have to replace the disc every race weekend.

What disc do the V8 guys use?
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Old 03-17-2003, 01:35 PM
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I think some guys cut an extra .025 off of the step, the area that the pressure plate mounts to. I've never tried it myself, yet.
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Old 03-17-2003, 03:24 PM
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my 2316cc Street/track 914 slips a stock assembly in 3rd gear radically......I just made a disc upgrade, and reinstalled the gearbox tonite...
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Old 03-18-2003, 05:26 PM
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Randy, you also need to be aware that going to a clutch that requires even a moderate amount more pedal pressure without upgrading to something like Rich Johnson's slave setup will have you continuously adjusting and subsequently replacing even the best clutch cable. They stretch fairly easy and that is a PITA!!!BTDT..peter
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Old 03-18-2003, 09:04 PM
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Quote:
Originally posted by Peter_Hinkle
Randy, you also need to be aware that going to a clutch that requires even a moderate amount more pedal pressure without upgrading to something like Rich Johnson's slave setup will have you continuously adjusting and subsequently replacing even the best clutch cable. They stretch fairly easy and that is a PITA!!!BTDT..peter
One problem with absolutes like this is an exception. I must have one.
My clutch cable (OEM) is the one that was in the car when I bought it in 1996, so God only knows how old it it. The Kennedy set up has been in there for 2 years and the only "adjustments" have been when I dropped the motor to get at an oil leak....I do have a spare OEM cable standing by, tho.

Which clutch/cable did you have trouble with, Peter?
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Old 03-19-2003, 01:09 AM
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