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Reply to "Cooling tins"

@dlearl476 posted:

There’s about 10 pages of the 500 page T1 performance engine cooling thread on TheSamba devoted to these.  As @ALB posted, VW sent out a tech bulletin not to use these with T1 tins.

That said, I plan to put them on my Spyder next time I have it apart, simply because no one ever made lower tins for reversed Spyder motors and, as it is, no air is deflected to the lower center parts of my cylinders.

I wouldn't do that. Those type3 tins are meant for a type3 cooling system, not a type1 cooling system.

What I did was make my own sled tins, but reversed so the hot air goes backwards toward the rear of the car.

6" wide aluminum sheet from the hardware store, tucked into the 911 shroud in front.

You need to cut a hole for the J-tube on each side, but not hard fabrication. Tin snips, pliers, hammers and some pop rivets are all you need. I made some 90 degree edges, about 1/4" which added plenty of rigidity. Small tabs on the case side for the factory sled tin screws.

Dropped my oil temperature AND head temperature 10 degrees each, so well worth doing. No promises for the same thing on yours, my air intake is on the firewall side.

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