Merc 575 540ci questions
 

I am looking at a merc 575 540 ci motor, I am not sure of the year, but assume 80's.

I am looking for the specs on this motor and any pictures and information possible.
Like reliability and real hp.

Thanks for any help

This might work better if you give me an old style fax number, I will try to attach a file to this post.

Did not work.

Here are some specs for the 1988 Mercruiser 575

HP 575@5000

540 CI

Bore 4.440

Stroke 4.375

compression ratio 8.75:1

Fuel 88 octane

Crank, L.A. Enterprises

Block, Iron, Siameses bores

Rods, Carillo

Pistons, Forged

Heads, GM iron rectangle port

Valves, intake Stainless steel
Exhaust, Inconel

Cam, Crane solid lifter flat tappet

Rocker arms, Crane rollers

Intake, Weiand single plane

Carb, Holley 1050 Dominator

Exhaust, Stelling tubular stainless headers

Fuel pump, Carter Hi Performance

Oil pump GM Hi Perf.

Ignition Mercruiser Thunderbolt IV

Sterndive options were Speedmaster III or IV

Here a pic

Damn you guys rock.
Thanks for the rapid response.

Any idea, on the life span?

Thanks again.


RT

Biggus,
The Merc part # for that cam is 12475. Do you have the Crane #?
Thanks,
Bob

Sorry RM, I do not .

Lifespan=Short

I am assuming cam?