[Fot] TR4 ARP Flywheel Bolts Question

[Joe Boruch]

I have been using those BMC A series bolts with ARP chamfered washers for years and years in my TR3 and have not had a problem yet.  On tear down they are always tight.  I have an aluminum flywheel and would not want to seat the bolt directly onto the aluminum.  Joe(B)

---------- Original Message ----------
From: Bill Tobin via Fot <fot at autox.team.net>
To: <timmmurphh at gmail.com>, "'STEPHEN BOROWSKI'" <biznzman at pacbell.net>, <fot at autox.team.net>
Subject: Re: [Fot] TR4 ARP Flywheel Bolts Question
Date: Sun, 4 Jun 2017 19:26:42 -0400


 
Run a nut or die on the bolt, grind it to the right length, run the nut off and it should be square. Be sure to keep it quenched with water or oil to keep it cool and go slowly when grinding. Avoid too much heat.Cheers, Bill----- Original Message -----From: timmmurphh--- via FotTo: 'STEPHEN BOROWSKI' ; fot at autox.team.netSent: Sunday, June 04, 2017 2:58 PMSubject: Re: [Fot] TR4 ARP Flywheel Bolts Question FWIW
 
I just got a set of ARP 206-2802 flywheel bolts from Pegasus for the TR4.  They are for “BMC A series”.  The instruction specifically says, “DO NOT USE ANY WAHERS”, yes, all in caps for emphasis!  They further state that ARP will not be responsible for failures is washers are used.  The instructions also say, “Make sure there is an adequate chamfer under the bolt holes on the flywheel to clear the radius under the head of the bolt.”  Torque is 55 Ft-Lb with specified lubricants on the threads.
 
I’ve never had that much good luck grinding the ends of bolts and still having it square so as not to start it cocked and runing the female threads.  Maybe it’s just me😊
 
Tim
 
 
From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of STEPHEN BOROWSKI via Fot
Sent: Friday, June 2, 2017 3:28 PM
To: FOT List <fot at autox.team.net>
Subject: [Fot] TR4 ARP Flywheel Bolts Question
 
Does anyone have experience using the ARP flywheel bolts sold by Moss and others?
I understand that you may have to shorten the bolt or it breaks the rear seal???
Are they supposed to have a washer or not?
 
Thxs. Steve
 
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