[DeTomaso] Centerforce Clutches

[Will Demelo]

Yes, 1/4 mile
  ----- Original Message ----- 
  From: Brent Stewart 
  To: Will Demelo 
  Sent: Tuesday, August 11, 2009 11:04 PM
  Subject: Re: [DeTomaso] Centerforce Clutches


  Ok, good - and when you say "track", you are thinking 1/4 mile stuff as opposed to like the Reno track event.  I don't intend to do a lot of 1/4 mile in mine.

  thanks again!

  brent




------------------------------------------------------------------------------
  From: Will Demelo <wdemelo at cogeco.ca>
  To: Brent Stewart <bjbstewart at yahoo.com>
  Sent: Tuesday, August 11, 2009 4:50:15 PM
  Subject: Re: [DeTomaso] Centerforce Clutches


  I may be using the wrong term, but the new disk, flywheel and pressure plate surfaces must "mate" together. The tech said that if the breakin procedure is not followed (500 miles) then the holding force may be as little as 50% of rated force.
  What pisses me off is that my previous car with similar stroker had a stock pressure plate with a Quella $90 disk and it held at the strip with a 5k launch and 12.0 time. I spend hundreds more for a lighter pedal that doesn't hold.
  You should be fine if you break it in properly and don't go to the track.
  Will
    ----- Original Message ----- 
    From: Brent Stewart 
    To: Will Demelo 
    Sent: Tuesday, August 11, 2009 6:43 PM
    Subject: Re: [DeTomaso] Centerforce Clutches


    Ouch Will, I just bought that first C-force setup for my new 392 stroker and am now scared :-(

    What is this "seating" thing you speak of?

    thanks,
    brent




----------------------------------------------------------------------------
    From: Will Demelo <wdemelo at cogeco.ca>
    To: detomaso at realbig.com
    Sent: Tuesday, August 11, 2009 1:53:06 PM
    Subject: [DeTomaso] Centerforce Clutches

    I've just smoked my second centerforce pos clutch. I called Centerforce and here are the details....
    I have a stroker 393 w/ 430 ft/lbs torque to the rear wheels. The diaphram style pp and dual friction clutch held on the street but not on the track. The pp and disk, part # 021057S is recommended for a max of 525 lbs torque at the flywheel (hard to find on the website). So my motor was right at the limit. The tech guy said that my 250 miles of " seating" was not enough. I should have seated the clutch fo r 500 miles. I don't drive the car for 500 miles in a year. $800 later, I've invested in a Borg/Beck style clutch (another $400). Hopefully it will hold. For those that will reply that the centerforce has held with your monster motors, take it to the track. Let me know if it holds. That is the true test.
    BTW, there is a stronger setup available from Centerforce (620 lbs/torque) part # DF920830. The press plate holes need to be opened up slightly to allow 3/8 bolts.
    I thought they would've offered me a discount on a better setup but I got the shaft.
    Will (live, learn and pay) D
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