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Stovebolts in Boats
#1380610 Tue Oct 13 2020 05:16 PM
Joined: May 2001
Posts: 1,560
W
Shop Shark
Weren't late Stovebolt engines, like the 292, used in inboard engine/outboard drive boats? Weren't they "hardened" because boats are run at wide-open-throttle all the time? Are these a source for engines in trucks?


1948 3/4-Ton 5-Window Flatbed Chevrolet [sandeace.com]

28 Years of Daily Driving but now on hiatus. With a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
Re: Stovebolts in Boats
Wally / Montana #1380650 Tue Oct 13 2020 08:36 PM
Joined: Jul 2000
Posts: 1,094
G
Shop Clutterist
Mercruiser i/o used the 194, 230, 250 and 292 engines.

A friend bought a new boat with twin Mercruiser 165s. He thought that since the engines were very common, parts would be cheap and easy to find.

Don't think I would want a marine engine for a truck. Even with fresh water cooling, the environment is harsh. Camshaft would be wrong. Carb would be wrong.


Gord
----
1954 1/2 ton 235 4 speed
Re: Stovebolts in Boats
Wally / Montana #1380652 Tue Oct 13 2020 09:02 PM
Joined: Oct 2019
Posts: 74
'
Wrench Fetcher
Didn't some of the marine engines rotate backwards?

Re: Stovebolts in Boats
Wally / Montana #1380653 Tue Oct 13 2020 09:05 PM
Joined: Mar 2007
Posts: 4,877
Shop Shark
Boats with twin engines usually had a ccw and cw rotation.

Re: Stovebolts in Boats
1953 panel #1380658 Tue Oct 13 2020 10:09 PM
Joined: May 2015
Posts: 3,178
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Originally Posted by 1953 panel
Boats with twin engines usually had a ccw and cw rotation.
That would typically be done with the gearing in the outdrive unit, not modifying the engine to run backwards. Much easier to swap gears.


Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
Busting rust since the mid-60's
Re: Stovebolts in Boats
Wally / Montana #1380681 Wed Oct 14 2020 12:56 AM
Joined: Mar 2004
Posts: 4,766
M
Shop Shark
As a kid growing up Mom and Dad owned a cabin cruiser and we spent almost every weekend on the boat. Many of the twin engine boats docked at the marina had V8's (GM, Chrysler, Merc's etc) with one reverse rotating engine.

Mike B smile

Re: Stovebolts in Boats
Wally / Montana #1380712 Wed Oct 14 2020 04:05 AM
Joined: Feb 2016
Posts: 440
7
Shop Shark
We had a 3 litre Chevy 4 cylinder in a OMC I/O, rotation was clockwise as viewed from the front of the engine, Bore was the same as the 350, starter same as all the small blocks, I would assume the bell housing pattern would match all the Chevy transmissions, nothing real special except having to meet marine code for gas vapors and electrical arc suppression


1957 Chevrolet 5700 LCF 283 SM420 single speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto
Re: Stovebolts in Boats
Wally / Montana #1380716 Wed Oct 14 2020 06:58 AM
Joined: May 2006
Posts: 939
T
Shop Shark
A fellow Stovebolter, Mapleleaf, grew up around boats with inline Chevy’s. Search his name here, and see if you can contact him. Very knowledgeable about this subject.

Re: Stovebolts in Boats
Wally / Montana #1380721 Wed Oct 14 2020 11:24 AM
Joined: Apr 2005
Posts: 2,653
C
Shop Shark
1928 Chevy dump truck we put a 4cyl Mercruiser engine into. The Chevy I4, I6, V6 (90*), small block and big block V8 all had the same bell housing bolt pattern. The marine engine in something always under a pull, like a dump truck, works out very well. Don't know about a highway cruiser app.

[img]https://i.postimg.cc/G9rHvjPG/IMG-4658.jpg[/img] [postimg.cc]

[img]https://i.postimg.cc/t139gLMf/IMG-4656.jpg[/img] [postimg.cc]


Evan
Re: Stovebolts in Boats
Wally / Montana #1380753 Wed Oct 14 2020 04:31 PM
Joined: Jan 2020
Posts: 591
D
Shop Shark
With the correct engine it is possible just don't use the marine generator or alternator, will cook the battery. Doc.


Currently making 1954 3100 better than new
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