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#1
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Engine swap
Well guys this is what I got. I have an 88 V20 with an 3.7 I/O. Since I have had this boat I have changed out alot of parts on this thing. Right now the starter is out on the boat and I was thinking that it might be time for me to change out the motor and repower this thing. What type of motor should I go with? I was thinking about getting the 3.0 but I have seen that some have been going with the 4.3. Or should I just stick with my 3.7. Any input would be nice. Thanks
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#2
07-23-2011, 10:44 AM
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The 3.7L is about a perfect a match as there is for a V-20 in my opinion. Sounds like it may be time to just pull your 3.7L out and go through everything.
__________________
2011 SUNDANCE B20CCR SKIFF, 2011 YAMAHA 90HP 4 STROKE, 2011 KARAVAN SINGLE AXLE ALUMINUM TRAILER, LOWRANCE ELITE-7 HDI, MINN KOTA RIPTIDE TROLLING MOTOR 2000CC HYDRA-SPORT 225+HP EVINRUDE SOLD  AND THE PINK JEEP!!!! R.I.P. http://www.wellcraftv20.com/communit...ad.php?t=11664 
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#3
07-23-2011, 03:35 PM
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Quote:
__________________
1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer 1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer 1996 V21 w/1993 200HP Mercury on a Shoreline Trailer All towed by a 5.7L Hemi Durango. If God didn't have a purpose for us we wouldn't be here, so Live simply, Love generously, Care deeply, Speak kindly. (Leave the rest to God)  Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless.
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#4
07-23-2011, 09:47 PM
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Hey Saltlife728, I'm with the others. I'd stick with the 3.7, they're great motors when taken care of. They've got plenty of power and are good on gas. I pulled mine down and went completely through it when I bought it a few years ago, and its been pretty much trouble free since. They are a great match for the V20!
__________________
 77 V20 cuddy with 170 I/O Mercruiser 72 16ft. Carolina w/a 25hp Evinrude
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#5
07-23-2011, 11:15 PM
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i agree keep what you got im in the process of rebuilding a 3.7 , the cost of a engine swap is too much for the value of the boat. If u only need a fishing boat stick with the 3.7 internal engine parts are cheap as there 1/2 a ford big block .if u want a faster boat buy another v20 with the hp u want
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#6
07-23-2011, 11:22 PM
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I cannot speak for the performance of the 3.7. It probably does make sense to go through it and get it running well. Having said that, however, I have a 4.3 litre V6 and I like it a lot. Good top end (about 45) and pretty fuel efficient.
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