Detailed pics of RX7 cooler, For GT style front mounting Options

[michel richard]

The current thought is to install a modified Mazda RX7 cooler in the front of my GT style conversion.
I bought a cooler off Ebay, for 10 bucks and it showed up on my doorstep today. I must say I'm quite impressed with the quality of the part. It's welded aluminum and the craftsmanship appears to be on par with German Behr parts.
I shot a bunch of pictures and thought they might be of interest to some on the list.
Here's an overall view:

[Rotary'14]

QUOTE

I've now seen 3 different variations of that cooler. Mine has the exits out the side. That bottom hole is plugged. I took some threaded aluminum rod and welded them to an aluminum plate which I welded across the top attached to both ends. The rods go through the holes in the factory GT shroud. Looks like a factory cooler.

This is due to the different generations of RX-7 (1979-1985,1986-1992, 1993-1995). Early oil coolers have inlet and outlet facing the same direction, not one in the side and one on the bottom. Despite the different locations, I don't think it adversely effects oil flow.
I think the mazda oil cooler is a very well designed cooler, because the rotary engine rejects about 1/3 of it's heat via the oil cooler, so the unit must be robust.

-Rob