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43 v6 to 57 engine swap

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brent bownes

Guest
"i am looking at a engine swap

"i am looking at a engine swap for a 1989 stingray 19' open bow boat with a 4.3 v-6 cobra to a 5.7 .Does enyone know if this is possible will the omc outdrive work or will i have to change gears or what do i need to do,also will the v-8 bolt in the haul of the boat and be resonably easy hookup i work on cars alot but this is the first boat job any help?"
 
"short answer. (for now&#4

"short answer. (for now) yes, it's possible. gear ratio is different. transom assy. will bolt up. 5.7 is longer. make sure you have room. front mounts (off the top of my head, I'm sure to be corrected if wrong) will be located fwd. of original. coupler, connecting components not a problem. exhaust could be the killer.
questions. is blown V6 still in the boat? what type exhaust?
try to get an engine model # if possible.
finally, replacing with another V6 would be much easier, and should provide plenty of power for a boat this size.
I'm going to delete your other messages. anything posted here will come to me. this forum will get you more info than just me. S."
 
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