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SN95 Cobras
Heat issues (again)
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<blockquote data-quote="Serfma" data-source="post: 16687573" data-attributes="member: 196123"><p>My math was pretty wrong due to night time measurements with a phone flashlight, and having to eyeball with a measuring tape.</p><p></p><p>The two pullies were a 5.125" crank pulley and 6.3125" water pump pulley. Doing the math this time shows a ~61% reduction in water pump RPM. That's basing it off of being a stock oem crank pulley size of 6.7" which I have yet to confirm the actual size. Still substantial either way. </p><p></p><p>I have a guy that is actually running the same pulley system but rarely goes over 200F, but he is fully stock outside of the same UDPs, rear gears (4.30s) and an x pipe. Had him send me over OBD2 logs and sure enough. </p><p></p><p>Going to see how quickly I can get a stock crank pulley and see what things change for me.</p></blockquote><p></p>
[QUOTE="Serfma, post: 16687573, member: 196123"] My math was pretty wrong due to night time measurements with a phone flashlight, and having to eyeball with a measuring tape. The two pullies were a 5.125" crank pulley and 6.3125" water pump pulley. Doing the math this time shows a ~61% reduction in water pump RPM. That's basing it off of being a stock oem crank pulley size of 6.7" which I have yet to confirm the actual size. Still substantial either way. I have a guy that is actually running the same pulley system but rarely goes over 200F, but he is fully stock outside of the same UDPs, rear gears (4.30s) and an x pipe. Had him send me over OBD2 logs and sure enough. Going to see how quickly I can get a stock crank pulley and see what things change for me. [/QUOTE]
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Heat issues (again)
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