[Fot] Exhaust header bolts

[Kas Kastner]

I believe the problem is  this particular cylinder head is the narrow early 
type for the GT-6 and has little brackets and cone washers to hold the 
manifold thus using studs in some places is not possible. Drilling the bolt 
heads and safety wiring is possible but a pain to do. Loctite is this 
situation does not work too well because of the heat from the exhaust.
----- Original Message ----- 
From: "Robert Lang" <lang at isis.mit.edu>
To: "Steven Preiss" <spreiss at verizon.net>
Cc: <fot at autox.team.net>
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
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