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Hitman · 04-16-2021, 04:57 PM

5.5 vs 6.0:1 is low, timing isn't an issue at this low of a compression if it's properly timed. If it were a single cylinder flathead, you'd have no problem pull starting it without a compression release valve. Most of you have once in your life while starting your lawn mower.

57 or 54 horsepower, why is this even a discussion? The price is the same. The 3 hp difference is 5%, why would you leave 3 extra hp on the table when you're only dealing with an engine producing hp in the 50's? You'll notice the difference at some point.

A lot of people will pay big $$$ to increase their engine hp 5%.

04-16-2021, 04:57 PM	#15
Hitman Senior Member Join Date: Sep 2014 Posts: 515	Re: SNYDER’S 5.5 head vs 6.1 5.5 vs 6.0:1 is low, timing isn't an issue at this low of a compression if it's properly timed. If it were a single cylinder flathead, you'd have no problem pull starting it without a compression release valve. Most of you have once in your life while starting your lawn mower. 57 or 54 horsepower, why is this even a discussion? The price is the same. The 3 hp difference is 5%, why would you leave 3 extra hp on the table when you're only dealing with an engine producing hp in the 50's? You'll notice the difference at some point. A lot of people will pay big $$$ to increase their engine hp 5%.