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clutch slipping?

bigbadchev84

bigbadchev84

1/2 ton status
Joined
May 17, 2004
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Location
Hermiston, Oregon
I have an 85' hydro sm465/208 behind my 350....i am pretty sure it is slipping on gravel and about 5mph i can rev it up to 3000rpm drop the clutch and the motor just revs and i am not peeling out on the gravel...yet i dont smell burnt clutch...whats the deal? oh yeah it has a 12" 3/4ton 4x4 clutch in it not sure of the brand...whatever shucks sells as a factory replacement.....any recomendations?
 
What would be a good replacement that i could stick in htere and not worry about? i will be eventually sticking my built up 396 in it but for now i am running my small block with some 39.5 boggers
 
Centerforce are by far the best clutches I have ever driven (some people don't like them for some reason though :confused: )
 
having installed a bunch in the short thirteen years I've done this work,my honest opinion would be buy a luk kit.it's all new parts and a little less expensive than the centerforce,and you will be able to push the clutch pedal in without using both feet. :p:
 
I used centerforce or LUK in all my replacments job (about 8 I can count). Never a problem with either of these brands. Whatever you do, do not buy a remanufactured clutch (what most parts stores sell). Buy only a brand new clutch, and buy a whole kit (plate, disc, bearing). Luk can be found at www.dialclutch.com , centerforce at various online racing places (summit, jegs..the like). Also make sure to have your flywheel resurfaced, and do not got below minumum thickness (usally embosed into the egde of the flywheel). If it's got too many hot spots or needs to go below min. thickness to get it smooth, replace it. You can find them at various places for $100 or so, it sucks, but it sucks worse to put everything together and it still chatters or slips.
 
if your looking to save money go with the luk, the centerforce is the same thing but a little more expensive becasue of the name on it...Also if you look closely at the centerforce clutch you will see "luk" stamped right on it...some people don't realize this....
 
bigbadchev84 said:
Sweet.....thanks for the info....where is the best/cheapest place to get one?
Click to expand...
I always buy from summit racing, good pricing, great customer service and no bullsh!t !!
 
NEplainsman said:
having installed a bunch in the short thirteen years I've done this work,my honest opinion would be buy a luk kit.it's all new parts and a little less expensive than the centerforce,and you will be able to push the clutch pedal in without using both feet. :p:
Click to expand...
Have you done flywheel resurfacing ?
Alot of Brake lathe manafactures are claiming 10-50micro-inches
please comment if you can
thanks
 
73k5blazer said:
I used centerforce or LUK in all my replacments job (about 8 I can count). Never a problem with either of these brands. Whatever you do, do not buy a remanufactured clutch (what most parts stores sell). Buy only a brand new clutch, and buy a whole kit (plate, disc, bearing). Luk can be found at www.dialclutch.com , centerforce at various online racing places (summit, jegs..the like). Also make sure to have your flywheel resurfaced, and do not got below minumum thickness (usally embosed into the egde of the flywheel). If it's got too many hot spots or needs to go below min. thickness to get it smooth, replace it. You can find them at various places for $100 or so, it sucks, but it sucks worse to put everything together and it still chatters or slips.
Click to expand...
Have you done flywheel resurfacing ?
Alot of Brake lathe manafactures are claiming 10-50micro-inches
Also the aftermarket flywheels that I have seen, and some originals,
don't have min. thickness stamped into them, like brake rotors
maybe it is not an important saftey issue ?
please comment if you can
 
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