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MBR Performance
08-16-2016, 04:19 PM
What thickness are you guys using on a rocket with a Chevy engine and GM 4 blade fan. I'd like to keep the fan within 1"

m_stagev
08-17-2016, 08:09 PM
2 1/2" with a short w pump.

hipower17
08-18-2016, 08:14 AM
we went to a electric fan