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I have a 70 roadrunner,440,4 speed,22 inch radiator,with a shroud.I want to put a clutch fan on it,bought one from Mancini Racing at Carlisle,and it doesn"t fit.I looked up a mopar performance one at a local dealer and the measurements only allow a 1/4 of an inch between the fan clutch and radiator,not enough in my opinion.Any body else encounter this problem or have any suggestions? thanks.




I have almost the same setup in my 70 RR.
383, 4 speed, 3 core 22", shroud..
You have to use a short clutch fan either the Hayden Jag one or the Mopar TRW OE FC28, the clutch fan can only be a max of about 2.75" in height. This puts the fan 50% into the shroud and about 1" from the fan to the radiator, enough clearance to change the fan belt.

I prefer the FC28 over the Hayden as it has a closed mounting hub compared to the universal slots of the Hayden. For cooling my stroked 383 runs about 175 degrees in SoCal traffic on a hot day. I found my FC28 @ a garage sale for $30 still in a box but they are harder to find.

I hope that helps..

Just my $0.02..