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Old 06-10-2011, 11:06 AM
greenmeanie greenmeanie is offline
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Thank you for all of your help!! I have a 1970 Chevelle 307 automatic.
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Old 06-10-2011, 06:37 PM
Mike 1972SS's Avatar
Mike 1972SS Mike 1972SS is offline
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Quote:
Originally Posted by greenmeanie View Post
Thank you for all of your help!! I have a 1970 Chevelle 307 automatic.
If the engine is relatively stock, then it's compression ratio is approximately 8.5-9.0:1 which should run fine with the lower octane fuel at stock timing.

Mike
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Old 06-10-2011, 07:04 PM
grandsport grandsport is offline
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Hi green.
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