[DeTomaso] FYI - Centerforce dual friction disk from Ford

[Forest Goodhart]

I just used the appropriate size drill bit and counterbored the existing holes 
to allow for the unthreaded shank.




________________________________
From: Barry Seib <oldwheel at mts.net>
To: DetomasoList <detomaso at realbig.com>; Asa Jay Laughton <asajay at asajay.com>; 
Ken Green <kenn_green at yahoo.com>
Sent: Wed, September 8, 2010 6:00:54 AM
Subject: [DeTomaso] FYI - Centerforce dual friction disk from Ford

The stock iron flywheel and clutch used shouldered bolts and recesses
countersunk in the flywheel with no thread so that they could be fully
torqued without bottoming the threads. It was a very rigid, strong assembly
when done. Centerforce steel and aluminum flywheels for our cars are done
the same way. The Fidanza aluminum flywheel is the only one I've seen that
has no similar solution available. Stacking the bolt out with washers
doesn't satisfy me in an application like pressure plate bolts, but I guess
that's the worked for some people. The Fidanza is about half the price of a
Centerforce or Mcleod aluminum flywheel and I assume they are made to use
the original Ford bolts or an ARP equal? Maybe this is a case of "you get
what you pay for". It's a lot of cash though.

Barry



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I think the bolts for aluminum flywheels typically do:

http://www.summitracing.com/parts/ARP-150-2201/?rtype=10

But the flywheel needs recesses for the full diameter unthreaded portions to
fit into.

Ken

--- On Tue, 9/7/10, Asa Jay Laughton <asajay at asajay.com> wrote:


From: Asa Jay Laughton <asajay at asajay.com>
Subject: Re: [DeTomaso] FYI - Centerforce dual friction disk from Ford
To: detomaso at realbig.com
Date: Tuesday, September 7, 2010, 9:25 PM


  I don't remember my PP bolts have shoulders.  Though it's been a while
now.

Asa Jay

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