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Old 04-03-2018, 09:59 PM   #2
David Lee
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Default Re: Engine size change

Quote:
Originally Posted by kevin54 View Post
I have a 1978 Mercury Cougar with a 351w 2brl that should run in Q/SA. I would like to know If I could change to a 302 2brl and run U/SA?
If I can change to a 302 will the short block have to be a 1978 or is there some leeway on the year? I understand that the Intake, carb and heads year and model specific. I'm new to the Forum Thank you for your help.

yes you can change the engine, the block does not have to be from the year, but the pistons have to be of the same compression and configuration. What part of the country are you?
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