ratio change?

1956olds

Well-Known Member
SILVER Sponsor
Oct 31, 2009
3,455
michigan,saginaw bay
Boat Info
1992 370 ec
Engines
twin cummins 6bta's 300 hp
Rl80 pathfinder radar/chartplotter,SH 2150 matrix vhf w/ais
quicksilver 8
What would happen if i changed my velvet drives from 1.5:1 to 1.9:1.Would i have to change props also?Higher top end ? slower to plane? anyone have a idea.I need to replace or rebbuild my port side and may be able to get a low hour set of 1.9:1 velvets for less than the cost of rebuilding it,let me know your thoughts.Glen
 

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