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Originally Posted by rblong
Now I am confused as H---, since other than the link to Stewart components Summit and Jeggs all sell underdriven for "better performance". Even the March set is 5.5" crank and 6.75" water pump. More investigation is needed!
I hope to make it to AER and then maybe we can compare notes over something cold.
Bruce
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Bruce, I think their referal to "better performance" actually means more horse power due to less parasitic drag. If you've a cooling system with some cooling "redundancy" built into it then you can afford to slow down the water pump a little. This is a popular mod with the late model stuff. That's where the pulley manufacturer's profits lie. We just happen to be the exception to the rule.
I think my path leads in several ways...
1. change my upper pulley and v-belt to give me a 30% smaller diameter
2. find the highest CFM fan possible. (sort through the bogus MFR's CFM
ratings)
3. upgrade my fan electrical system to handle the increased amp draw
4. fabricate and install a new inlet shroud
5. do a "Evans Collant System" conversion. (I like the thought of it not
boiling till 374 deg w/ zero system pressure. It's pricey though... $30+
a gallon. I'll buy 5 gallons just to have a "spare" change.
5. Maybe fabricate an aluminum fan shroud??
I need to get the cooling system ready for the 500 inch side oiler motor that I'm building this fall.... can u say G-E-N-E-S-I-S ???
Dave