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Re: Steel Flywheels

Subject: Re: Steel Flywheels
From: Chuck Arnold <>
Date: Wed, 05 Oct 2005 19:32:07 -0700
if using aluminum, use pt. no. 200-8572 for 3/8", 200-8573 for 7/16" 
bolts, from ARP. These aretop hat shaped inserts.  They allow the bolts 
to pull up properly. I had my fidanza flywheel machined to hold these 
hardened inserts -- will keep the bolts from elongating the holes.  Got 
mine from Summit.
Chuck wrote:

>The steel one is piece of artwork. 
>I hate to cover mine up.
>Joe (A)
>>In a message dated 10/5/05 6:27:20 PM Pacific Daylight Time, 
>><< The Cambridge Motorsports flywheel I use weighs 7.7 pounds and is 
>>available drilled to hold as many as 12 flywheel bolts. >>
>>I have heard that some competition steel flywheels are not much heavier than 
>>the aluminum flywheels.  I am definitely considering one.  The aluminum 
>>flywheel in the car now is somewhat chewed up from the broken bolt incident.

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