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The mkiv Supra Owners Club

Heat wrap the transmission tunnel ?


Sharpie

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Looking at the below pic, I have my carpet out at the moment and am getting a lot of radiant heat on my left leg, well, my left foot since, I'm auto and my left foot stays static for long periods of time ~2hr at a time. I have even moved my foot away from the transmission tunnel by 2-4cm and I'm still getting out of the car with the feeling that I have been sat infront of an open fire down my left foot. At point A on the photo, it is like touching a wall radiator in your home (hot) while, point L is a little cooler since, it's got an extra layer of covering.

 

Question: - What, if any, would be the trade-off if I were to use any of the products below before I replace my carpet ?

 

http://www.demon-tweeks.com/products/ProductDetail.asp?cls=MSPORT&pcode=DEI010401

 

http://www.demon-tweeks.com/products/ProductDetail.asp?cls=MSPORT&pcode=NIM14600

 

http://www.demon-tweeks.com/products/ProductDetail.asp?cls=MSPORT&pcode=NIM14100

 

Or should I use something else ?

 

Note: I even get a warm/hot foot when the carpet is in the car so, wanted to look at this while the carpet was out anyway.

heat tunnel.JPG

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Yeah I've always had this on my supes and now on my aristo. Surely the better way ahead would be to fit a decent tranny oil cooler to dissapate some of that excessive heat?

 

Bloody ell just went and looked at the price of that stuff. Its ridculous. The alumised insulation you get that goes under laminate flooring would do almost as good a job as that stuff and its only about a tenner or so for a huge roll.

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The heat has to go somewhere, if it isn't radiating out from the box, it'll stay in the gearbox if you thermoshield it. I'd fit the tranny cooler.

 

MMM yeah and no. I would say going on my experience that its fairly normal for the box to warm up your leg via the trans tunnel. I also don't think you will cause yourself a huge problem by isolating this heat from your legs inside the cabin with a bit of heat insualtive material under your carpet. An additional trans oil cooler won't hurt you at all in any circumstances and is IMO a great idea.

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I'm sure my leg has always been warmed by the trans tunnel, even when the the tranny cooler was in place. (Was removed in 2003 for FMIC fitment)

 

Obviously, the heat takes longer to get through the carpet and it's padding when it's in place but, I still want to remove as much of this in-car heat as possible. Oh, I don't have cats in :)

 

I guess the real issue is that I don't have air con anymore so, even when it's only 18 Dec C external air temps, inside the car does become warmer so, I feel the trans tunnel warming much more.

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  • 2 months later...

Well, since my carpet is still out I got some of this http://www.demon-tweeks.com/products/ProductDetail.asp?cls=MSPORT&pcode=NIM14061 for ~£25 for 20"x24"and added it to the bottom of the carpet. I'll also be adding a good tranny cooler at some point too :)

 

I thought it was worth a try IF the tranny cooler does nothing to reduce the in-cabin heat.

 

I'm going to have my dash out one day and fix my aircon :mad:

Carpetbottom.JPG

Carpetshield.JPG

carpetshieldrear.JPG

heat.JPG

heat2.JPG

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