4.3 L Longblock

J

Jonnybseaox

Recruit
Joined
Jun 2, 2012
Messages
1
Hi All,

I have been reading the forum for over a year now and thank you all for the great info and education I have received.
After my 3.7 L Mercrusier imploded 5 mi east of the Isles of Shoals, I have been considering the options for repower. As luck would have it I picked up a Mercruiser 4.3 L complete parts motor (coolant in engine oil) SN # D380135 on the cheap last week. My plan is to purchase a longblock, but I see there's lots of long block options. I am interested in any views as to the best value, ease of assembly etc. I am a mediocre DIY mechanic. I am leaning toward a longblock-plus that includes a new GM block with intake manifold, 4 barrel carb, oil pan, rated at 220 HP. Anyone have input on this plan of action. The engine will power my 1983 Sea OX cuddy.

Thanks,
JonnyB
 
Bondo

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,525
Re: 4.3 L Longblock

Jonnybseaox said:
Hi All,

I have been reading the forum for over a year now and thank you all for the great info and education I have received.
After my 3.7 L Mercrusier imploded 5 mi east of the Isles of Shoals, I have been considering the options for repower. As luck would have it I picked up a Mercruiser 4.3 L complete parts motor (coolant in engine oil) SN # D380135 on the cheap last week. My plan is to purchase a longblock, but I see there's lots of long block options. I am interested in any views as to the best value, ease of assembly etc. I am a mediocre DIY mechanic. I am leaning toward a longblock-plus that includes a new GM block with intake manifold, 4 barrel carb, oil pan, rated at 220 HP. Anyone have input on this plan of action. The engine will power my 1983 Sea OX cuddy.

Thanks,
JonnyB
Click to expand...

Ayuh,... Welcome Aboard,... How is yer Parts motor dressed,..??

What Carb,..??

Why is it a parts motor,..?? How much of it did ya get,..??

Vintage is kinda important with the 4.3ls,... not sure where the D serial numbers fall,... somebody'll know...

What vintage is the 470 drive/ transom yer tyin' it to,..??
 
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