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Author Topic:   Fan spacing from radiator
Dirt Roller

Total posts: 6
posted April 12, 2000 08:02 PM  
Running on alky and want to run without a shroud, any problems with doing this? and, how far from the radiator should the fan be?

X-1R Guy
Dirt Maniac

Total posts: 101
posted April 13, 2000 07:50 AM  
1/2" to 3/4"

Dirt Full Roller

Total posts: 51
posted April 14, 2000 02:55 PM  
I have run methanol with no fan and now use the 15" plastic fan and like it but too close will allow the fan to flex and take the core I use about 1 1/2" as a safe margin. Why turn any more weight than need to?

X-1R Guy
Dirt Maniac

Total posts: 101
posted April 17, 2000 10:37 AM  
Take that plastic fan and toss it as far as you can! Those things almost cost me a race more than once. They'll flatten out and you'll never see it happen. If you have one, they recommend replacing it every 5th race. The new 4 blade steel fan from GM (not sure of the part number) available from Poske's is unreal! I have never seen a fan pull this much air! On gas with no shroud and 1/2 to 3/4 inch from rad. spacing, our water temp struggles to get past 175 degrees. If I'm wrong, then so is the entire starting field at any Hav-A-Tampa show!

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