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clutch and flywheel combo for 351w and stroker.
Hey fellas!
I did a search and did not find anything that really explained what combo fits what needs. I need to deside on what combo I'm going to go with. I was thinking King Cobra with steel flywheel. Good, bad or don't care? 1) Normal street driving with some drag days and spirited cruises with the club. 2) big cam, love to eat ricers for a snack and Vipers for dinner. But mostly on the street.(no this is not me. Just something for the "other people") 3) Burn out king lots of drag days 4) What do you have and why? BTW I feel I'm between 1-2 Whats with the 157 tooth? What does that all mean? Basicly this is a cry for help!:rolleyes: :CRY: sid |
Check out the Spec clutches, you will probably need the Spec Stage 2 clutch set up for your needs. The Stage 3 is pretty tight from what I hear and mostly for all out racing.
Check out either E-bay or on www.corral.net on the classified forum (old forum). A couple different vendors there have great prices on them. Yes, you will probably need a 157 tooth flywheel with a 28 oz. balance, depending on your engine balance. If you have an internally zero balanced engine, you will need a zero balanced flywheel and harmonic balancer. I'm just learning about all this stuff myself and it has been a pretty steep learning curve but I think I have it figured out. Now if I could just find a shifter for my modified Mid shift T5 tranny! :)- Bob |
I run the Centerforce dual friction clutch with the Ford Motorsport Steel SFI 28 oz flywheel. King Cobra clutch is not a strong as a dual friction or Spec stage II or higher clutch. We could help you futher if you can estimate your HP and TQ.
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I have found that my HP and TQ will be 450-475 for both. I have a mild cam. Nothing aggresive.
Sid |
Similar to my power level. King Cobra will not last long in that environment. Check out the Centerforce dual friction. More expensive, but they last. I road race in my car and drag occaisionally. No problem.
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Great thanks Curt! Is that a 10in clutch?
sid |
I believe it is a 10.5?? Cant remember. Do a search for centerforce and call them. They can set you up with the clutch and flywheel and even balance it prior to shipping. I beleive Midway is the actual name of the company who makes the centerforce. They are in AZ
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THANKS!
sid |
My 351W is running in the low 400lbs of torque. I have a Centerforce billet flywheel, Centerforce dual friction 11" clutch, Tilton Racing hydraulic t/o bearing controlled by a floor mounted Tilton pedal set. I have over 20k miles on it and it runs like new.
Roscoe |
Keep in mind that the Cobra is a very light vehicle and has a difficult time "hooking up", the tires typically spin before the clutch slips assuming that it is in good overall condition. The higher the clamping force the more wear on the crank thrust bearing and your left leg & knee! Some of the newer designs use different lever designs to reduce pedal effort while retaining clamping force. Contact a few of the major manufacturers tell them what you are working with and they can point you in the right direction. With a Cobra you need less clamping force than in a "Full Bodied Car" even though horsepower and torque is high, the tires become the determining factor.
Your leg will thank you, I have this T shirt. Rick |
What would you guys recommend for my set-up????
331 cu. in. about 450 to 475 hp,about 425 ftlbs torque (has not been to the dyno yet,just a guess),2600lb. mustang,have an aluminum flywheel (11") with the center steel insert,four speed toploader,will be a "track only" (road race) car,not street legal and will not be driven on the street,100% race car,max rpms will be 7000,most of the time it will be running between 3000 and 6500.......... just about time to order the clutch and pressure plate,probably next racing season,I may "step-up" to a double or triple disc clutch set-up......... David |
whats this 28 oz or 50 oz all about?
SId |
David, not sure about your application but I am sure Centerforce makes a product for that tranny. Sid, 28 or 50 oz has to do with the crank balance of the motor. Most 351W use a 28 oz balance dampner and flywheel while 302's use 50 oz pieces. Ask your engine builder. He should be able to tell you whether your motor is 28 or 50.
Edit: By the Way, Centerforce uses little weights on their clutches that result in OEM pedal effort. No stiff leg! |
289's, and then 302's up to about the '85 model year used 28 in/oz external balance on the rotating assembly. Then, Ford, in its infinite wisdom, changed the the external balance to 50 in/oz. But only on the 302/5.0 motors.
351W's have always used the 28 in/oz external balance throughout its production life. Flywheels (157 tooth) and bellhousings are interchangable between 302/5.0, and 351W's. Later motors, and FMS flywheels use 10 1/2" clutch. Not absolutely certain on this, but the 164 tooth flywheel (actually the flexplate) were used on full size cars and trucks depending on the trans used. Used the 28 in/oz FMS billet flywheel, FMS billet SFI front balancer, Centerforce street performance clutch. Everything works fine, and pedal effort is normal. |
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