What is the highest compression ratio that you can run with 87 octane gas?

Question:
carbureted chev 350 marine with vortec heads undecided on cam

Answers:

How do they line up the space statin to dock?

about 9:1 without computer timing adjustment. in your example the answer is 9:1. if you wish to go higher, higher octane will be required. i used to run 93 in a 1967 327 with 10.5:1 normally aspirated. cam wiil not have any positive or negative affect on detonation.

specifications for a Fisher Freedom 2010 deck boat?

gl.

Cool Custtom Things I should add to the old 23 ft wooden boat im renovating?

There's no way to answer that question. The cam profile, cam timing, ignition timing, combustion chamber design, engine temperature, air temperature, relative humidity, and a host of other variables all would have to be taken into account. And even then, there's no hard & set answer.

how much would it cost me to fiberglass a 10 in speaker box?

The only real answer is: As much compression as you can run before you encounter detonation.

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name types of boats and images of them for work?

EDIT: I love it when people who don't have a clue answer questions they have no place answering. "Industry standard"... "cams don't make a difference"... lol. You clowns ever consider dynamic compression ratio? Look it up. Ever study the difference various combustion chamber designs and squish areas have on combustion, and the tendency to detonate?

what makes cargo weigh down boats?

Just for reference, I happen to own and operate a motorcycle performance and service business that caters mainly to roadracing machines. I do know something about what I speak - unlike some.

which are most reliable outboard engines 50 hp 4 stroke /??

I'm sure you'd be fine @ 9:1. But that wasn't the question. The question was "What is the highest compression I can run"? And, as I said above... without doing R&D of your own, you simply CAN NOT answer the question with the information you provided.

the best marina's/ports in the world?

I would'nt try for higher than 8.5 to 1, 8 to 1 is surely safe. Boats require the horsepower of an auto pulling a steep grade all the time they are under power. Any higher comp ratio and you'll experience detonation. Rattles.

Can I bring a yacht bought in the British Virgin Islands back to Europe without VAT costs? What about R.C.D.?

Why not keep the compression low, and add a super charger ?

Sea-sickness on a 96-foot boat?

9:1 with variables but this is common industry standard

forms on old searay boats?

i have no clue

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