Hi all im using 2 php500 pumps what would be the best internal diamerer of the jet log and the best angle ? .was thinking 1.5 inch and 15 degrees
.any imput would be greatfully accepted .
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Do a google search & see what the manufacturers do.
JW 
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Iām using 20mm id on my jet log orrifice with a roughly 35mm thick walled housing cut on 11/12 deg. Using HP500s on 6ā.
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Been trying google not much success
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What horse power are your engines?
GX270s in warmer months 390s in winter to generate more heat for heat exchanger. Ph 0272693054 if you need more info
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