twin engine upgrade
#1
Thread Starter
Registered
Joined: Dec 2007
Posts: 187
Likes: 0
hi guys single diesel fixed surface drive top speed 64mph with 440 yanmar diesel
im gona add another 440 diesel how should it perform
my current prop dia s 17" with twin engines should i bing dia down or stay with a pair of 17s
im gona add another 440 diesel how should it perform
my current prop dia s 17" with twin engines should i bing dia down or stay with a pair of 17s



