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Re: [Fot] Exhaust header bolts

To: "Robert Lang" <>, "Steven Preiss" <>
Subject: Re: [Fot] Exhaust header bolts
From: "Charly Mitchel" <>
Date: Tue, 14 Oct 2008 10:25:57 -0700
I have the same problem on my TR6 header and use studs.  It's a pain to do 
but I have to tighten the stud nuts a little at a time as I draw the header 
up to the head.  I also have a wrapped header (not shown in attached 
picture) and PI which makes it even more difficult.  I have the little 
footballs as I call them and I use brass nuts also and have never had it 
come loose.  I also use the heavy duty gasket.
Charly Mitchel
TR6 #44

----- Original Message ----- 
From: "Robert Lang" <>
To: "Steven Preiss" <>
Cc: <>
Sent: Tuesday, October 14, 2008 8:15 AM
Subject: Re: [Fot] Exhaust header bolts

> 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).
> regards,
> rml
> ---------------------------------------------------------------------------
> Bob Lang              NER/SCCA                 |  This space for rent
> Solo Chair 2008       TR6 40 F Prepared        |  Triumph!
> Voice:781-438-2568    FAX: 617-258-9535        |  Cell: 339-927-4489
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