[TR] TR tran tunnel heat

[CFM-TR]

I have foil backed insulation under the carpet pad & carpet and the heat shield material under the car. The tunnel still gets toasty but not nearly as bad as without either.  

 

The idea of a vent may be worth thinking about but you would need to pull air from somewhere other than below the engine area.  That heat is already flowing back through the tunnel to “escape”.  Ideally, from somewhere in front of the engine, with the tube not getting close to the engine area &/or exhaust.

 

Good luck.

 

Carl 

1960 Triumph TR3

TS81802LO

Tampa, FL

 

From: Triumphs [mailto:triumphs-bounces at autox.team.net] On Behalf Of Dave Connitt
Sent: Sunday, September 17, 2023 11:06 AM
To: dave northrup <dave at ranteer.com>
Cc: Triumphs <triumphs at autox.team.net>
Subject: Re: [TR] TR tran tunnel heat

 

Hi Dave,

I have the same heat issue with my TR4A. I also have reflective insulation on the inside of the tunnel and there still is a lot of radiated heat on the passenger side which was repeatedly brought to my attention by my wife on our 6,400 mile trip out west last June. I just purchased some aluminum heat shield material off Amazon that I will try and install between the exhaust and the tunnel/ floor pan this winter. If it works, I will post some pictures.

Dave Connitt

Sent from my iPhone





On Sep 17, 2023, at 10:48 AM, dave northrup <dave at ranteer.com <mailto:dave at ranteer.com> > wrote:

 

Was out in the TR6 yesterday.  Last time we took the tunnel out we added more insulation.  We have dynamat on the tunnel itself, and a couple layers of carpet insulation, including one large piece we just set over the tunnel and the floor in a continuous piece.

 

Its much better than before but there’s still a lot of heat if you put your hand on the tunnel.  

 

Thought about other ways of cooling, like vents directly air up into the tunnel etc. 

 

What have people done to mitigate this?

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