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Got mine on the IC and seal fitted to the rad with draft sponge, like this all the air from the fans is forced through the "standard" rad, instead of just blowing out of the sides / gap due to the air being turbulent after the IC, The amount of air that comes through the rad from the fans is amazing and trail fitted with out the seal before hand and found little to no air flow. My bumper is a standard 90 spec no cutting etc, the only mod was the blank in the lower mouth was removed as the bumper is 3i not 90spec turbo.
Temp wise even when the weather was warmer at 20-50mph it ran at the top of the "R" and at 50-70mph it runs at the bottom of the "R". In traffic on a standard fan switch the fans cut in at near the top of the "O" and off at bottom of the "O" which is exactly the same as it did with the old EFi 3i motor.

I did it this way as I didn't want to cut the bumper.

Here's a link to mine fitted

https://passionford.com/forum/restor...4-running.html

I have fitted a turbo bonnet recently which helps with removing the engine bay heat.


Ginger


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