Thread: what impellers should I use?
07-03-2010, 04:13 PM #1
- Join Date
- Jun 2010
- Atlanta GA
what impellers should I use?
I am planning to convert my 1200cc pv motor to a 1300cc pv motor in my gp1200r. If I run the 1300 motor mostly stock with properly jetted carbs, What brand and pitch impeller should I run?
07-03-2010, 07:24 PM #2
- Join Date
- Oct 2006
if you keep the pump you have now, a 14/20 solas concord would be ok,
you will need a tach to measure rpm properly ad the magic number you want is around 7200rpm when W0T.
if you add a 14/20 and your max rpm is 7050 you can repitch that 14/20 to a 13/19 of if its rpm is 7390 you can repitch to a 14/21 or 14/22....make sense?
remember you want 7200rpm, thats the sweet spot, give or take 50rpm.
07-06-2010, 01:17 PM #3
solas concord 14/20 de-pitched to a 12/19 would be about right
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