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Re: [Fot] Exhaust header bolts

To: Steven Preiss <>
Subject: Re: [Fot] Exhaust header bolts
From: Robert Lang <>
Date: Tue, 14 Oct 2008 11:15:25 -0400 (EDT)
On Tue, 14 Oct 2008, Steven Preiss wrote:

> That is your problem. Use studs ans nuts. Do not use bolts.
> SP

Hmmm... with my setup(s), I can't get use studs / nuts on the #1 ex lower 
fastener and at least one more (maybe #3 lower). So I HAVE to use bolts. 
This is TR6 with a header. I have used Moss, Monza and Falcon. They all 
have the same interference issues.

But a allen head cap screw will work fine for this app. Just torque to 
spec and then re-torque while the motor is still hot and things seem to 
hold fine. I had 20k street miles and no leaks with one car. The race car 
never seems to need any re-tightening either, but I don't sit at 6000 for 
very long (autocrosser).

Bob Lang              NER/SCCA                 |  This space for rent
Solo Chair 2008       TR6 40 F Prepared        |  Triumph!
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