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Old 01-14-2023, 12:01 PM   #1
jmcarter
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Default Re: LS1 Horsepower Factors

Quote:
Originally Posted by JIM MARSHALL View Post
I don’t know what 455 you guys are referring to but a quick look at the guide shows the last time one had an increase or decrease was 2008.
That being said the late George Thompson raced a 1972 Olds 442 in G/SA with a 455 and could easily go a second under if he wanted to. I don’t have the answer but I do know I run the combo that has the greatest chance for success.
Off topic of course but wondering where George’s Olds ended up? I talked to him at Fontana in 2017 and it was a pretty cool car, he indicated that it would go far faster than he’d ever shown. Probably the last time he ran the car. We had a great conversation, great guy.
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Last edited by jmcarter; 01-14-2023 at 12:11 PM.
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