Quote:
Originally Posted by WaterDog
About 4 years ago I bought a new 4.0 from hamilton and it was a little over $1700 cost. IMO a 3.4 would be better. What is your WOT rpm?
Roy does good work. I had him tighen up my pump when it was new 3 years ago. The only complaint I have with a tuned up impellor is sticks have a better chance getting stuck between the blade and wear ring instead of getting spit out.
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WOT IS 4500 rpm and 45 mph (gps)
cruise 3000 rpm and 30 mph
cruise 3500 rpm and 35 mph
i just feel that 4500 is a little out of the max torque range for 383.Roy said he thought he could work something out as far as getting a 3.4 impeller ,so i will wait and see . thanks for the interest and info. mike s.