Auto and marine engines blocks?

[buesingj]

I know this has been asked an answered but so many times with multiple different answers
are automotive and marine engine blocks the same?
I.E. is my 2.5 merc the same as a 2.5 gm of similar age?
thanks in advance

 

[Bondo]

Re: Auto and marine engines blocks?

I know this has been asked an answered but so many times with multiple different answers
are automotive and marine engine blocks the same?
I.E. is my 2.5 merc the same as a 2.5 gm of similar age?
thanks in advance

Ayuh,.... Welcome Aboard,.... Nope, they're Not the same,....

Yer boat motor is a 153cid Chevy based motor,...
The GM auto motor is a 151cid Pontiac design, the Iron Duke,....

 

[buesingj]

Re: Auto and marine engines blocks?

thank you so a 153 chevy block will work?

 

[Bondo]

Re: Auto and marine engines blocks?

thank you so a 153 chevy block will work?

Ayuh,.... That's Right, but it ain't been put in a car, since 'bout 1962,....

 

[thumpar]

Re: Auto and marine engines blocks?

And it was only put in 1 car for a couple years. The 3.0l was never in a car.

 

[MikDee]

Re: Auto and marine engines blocks?

Chevy Nova 2 motor,,, us older guys remember that.

 

[buesingj]

Re: Auto and marine engines blocks?

ok thanks so a good block will be hard to find..

 

[thumpar]

Re: Auto and marine engines blocks?

ok thanks so a good block will be hard to find..

Not hard to find as long as you look in boats. The 2.5/3.0 is probably the most common I/O engine out there.

 

[buesingj]

Re: Auto and marine engines blocks?

I ment not cracked lol ty though