can you run 11:1 compression on street with pump gas??

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can you run 11:1 compression on street with pump gas??

Post  tiger on March 15th 2011, 11:00 am

I am curious if you can run an 11:1 engine with cast iron heads on it on the street with 93 octane gas. If a cam grinder custom grinds a cam will it be able to or is it just to much compression?

engine is a 552 ci, fully ported D3 heads, headers, 1150 dommy, new TFS intake, zero decked, flattop pistons, fox mustang car, 4.11 gears, 3,000 stall, don't have cam yet.

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Re: can you run 11:1 compression on street with pump gas??

Post  rmcomprandy on March 15th 2011, 11:10 am

With a big enough camshaft, keeping the engine temperature down and well controlled ignition timing ... YES.

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Re: can you run 11:1 compression on street with pump gas??

Post  LivermoreDave on March 15th 2011, 9:47 pm

As "Rockin Randy" mentioned, I must concur!

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Re: can you run 11:1 compression on street with pump gas??

Post  dfree383 on March 17th 2011, 7:48 am

Yep, cam be done with the right cam and good tuning skills.

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Re: can you run 11:1 compression on street with pump gas??

Post  BOSS 429 on March 20th 2011, 5:43 pm

x2

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Re: can you run 11:1 compression on street with pump gas??

Post  johndickjr on March 27th 2011, 10:45 pm

what about 12-1 with alum heads

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Re: can you run 11:1 compression on street with pump gas??

Post  Ranch71460 on March 28th 2011, 6:42 am

I'm using flat top diamond pistons and P51's with around 12:1 compression.
I use a 91 octane 10% ethamol blend of gas we have here in Alberta from Huskey with no issues.

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Re: can you run 11:1 compression on street with pump gas??

Post  dfree383 on March 28th 2011, 7:49 am

Altitude also comes into play...

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Re: can you run 11:1 compression on street with pump gas??

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