[DeTomaso] Fidanza Flywheel

[Chance Dorsey]

No.....they were already countersunk.  It could be that Fidanza altered their design.  I purchased this flywheel from Summit racing about two years ago.

Thanks,

Chance

On Mar 3, 2013, at 11:40 PM, "B. Seib" <oldwheel at shaw.ca> wrote:

> So Chance,
> ...did you drill your own countersunk holes in the Fidanza flywheel for these shouldered bolts?
>  
> Barry
> -----Original Message-----
> From: Chance Dorsey [mailto:chance.dorsey at yahoo.com]
> Sent: Sunday, March 03, 2013 10:34 PM
> To: B. Seib
> Cc: DetomasoList; <nckzck at yahoo.com>
> Subject: Re: [DeTomaso] Fidanza Flywheel
> 
> These are the shouldered bolts that I used with my Fidanza Aluminum Flywheel and they worked great.
> 
> http://www.summitracing.com/parts/arp-130-2201
> 
> However, I cant comment on the flywheel because my motor has only run on my test stand:(  and currently resides there while I work on the car body.
> 
> http://youtube.com/watch?v=s5NmupIq4dk
> 
> Thanks,
> 
> Chance Dorsey
> Austin, TX
> 
> On Mar 2, 2013, at 11:49 PM, "B. Seib" <oldwheel at shaw.ca> wrote:
> 
>> I bought a Fidanza flywheel and found it disappointing in the fact that the
>> correct bolts for the Ford pressure plate couldn't be used. The stock
>> flywheel has a countersunk area at the top of each threaded hole. This
>> allows you to use the factory FORD type bolts with a short shoulder under
>> the head. That shoulder registers snug with the holes in the pp cover. The
>> Fidanza flywheel I got didn't have the countersunk area and the alternatives
>> are not great. You can use an non-shouldered CHEVY type bolt which leaves a
>> bunch of sloppy clearance and only the threaded portion of the bolts in the
>> pp holes because there is no shoulder. Or, you can countersink the holes
>> yourself, but in the aluminum Fidanza flywheel that will leave a
>> questionable depth of thread due to the lack of thickness where Fidanza
>> drills the holes. Others have said the CHEVY style bolts will work, but I
>> think it's very poor engineering to retain a pressure plate from rotating
>> back and forth on the flywheel that way. Centerforce flywheels have the
>> proper FORD style countersunk holes. I haven't had one, but I think the
>> other makes like Hays and Schaefer have the correct pp holes in their Ford
>> flywheels too. You get what you pay for.
>> 
>> Others may feel differently, but I wasn't happy with the Fidanza.
>> 
>> Barry
>> 
>> 
>> 
>> 
>> ----------------------------------------------------------------------------
>> ----
>> 
>> Hello all. I am having a new engine built by Russ Fulp Racing in SoCal, and
>> was wondering if anyone has used a Fidanza flywheel in their Pantera? I had
>> a Fidanza flywheel in a Mustang previously, and was pleased with the quality
>> of their product.
>> 
>> I need to buy very soon, so please share your experiences to aid in my
>> lightweight, flywheel purchase.
>> 
>> Thank you!
>> 
>> Perry Lindsey
>> 
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