caleb90 Posted February 4, 2021 Report Posted February 4, 2021 doing a 4mil stock cylinder build. should be 65-70hp when done, are capable are the oem radiators keeping up with cooling at higher hp levels? want to see if i need a larger one for this build or not Quote
caleb90 Posted February 4, 2021 Author Report Posted February 4, 2021 32 minutes ago, gusto said: yes yes the oem is good enough for my build? or yes i need to upgrade Quote
gusto Posted February 4, 2021 Report Posted February 4, 2021 Stock is good enough with your high flow impeller Quote
hoppedupandcutdown Posted February 5, 2021 Report Posted February 5, 2021 I use a stock radiator in my 421 Serval, never had a problem. Quote
locogato11283 Posted February 6, 2021 Report Posted February 6, 2021 OEM is fine. Always run them in our dune bikes. Quote
sycoticbanshee00 Posted March 4, 2021 Report Posted March 4, 2021 Stock radiator on my 421 cub, +7 timing, high compression build, no issues with cooling at dumont dunes. Quote
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