Bulletproof cooling system
(→Bulletproof cooling system tips) |
(→Bulletproof cooling system tips) |
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*Block all air passageways where the air could get '''around''' instead of '''through''' the radiator core at the front of the vehicle. | *Block all air passageways where the air could get '''around''' instead of '''through''' the radiator core at the front of the vehicle. | ||
*Use a full shroud with the radiator positioned so that the fan blades are half-in and half-out of the shroud hole ''(confirm and expand)'', and no more than 1" of clearance between the shroud and the fan blade tips. (Just enough to prevent intervention when the motor rocks on its rubber mounts). | *Use a full shroud with the radiator positioned so that the fan blades are half-in and half-out of the shroud hole ''(confirm and expand)'', and no more than 1" of clearance between the shroud and the fan blade tips. (Just enough to prevent intervention when the motor rocks on its rubber mounts). | ||
| − | *Fan recommendations: OEM 18 inch, 7-blade steel fan with 2" to 2 3/4" pitch. | + | *Fan recommendations: OEM 18 inch, 7-blade steel fan with 2" to 2 3/4" pitch. Pitch of a fan can be measured by laying the fan down on a flat surface and measuring from the flat surface to the edge of the fan blade. Fans that are relatively flat such as a flex fan won't move enough air at idle and low engine rpm's to do the job properly. |
*Thermostatically controlled fan clutch. | *Thermostatically controlled fan clutch. | ||
*Water pump and crankshaft pulleys sized according to what was on the engine from the factory. On a street motor, shoot for 1.2 to 1.3 times crank speed for pump pulley speed. ''(confirm)'' | *Water pump and crankshaft pulleys sized according to what was on the engine from the factory. On a street motor, shoot for 1.2 to 1.3 times crank speed for pump pulley speed. ''(confirm)'' | ||
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