Hey just picked up some 241 heads and am going to install them on my 5.3L. I know they are going to lower my compression. Was just wondering how much you can shave off before running into any trouble.
Thanks
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Hey just picked up some 241 heads and am going to install them on my 5.3L. I know they are going to lower my compression. Was just wondering how much you can shave off before running into any trouble.
Thanks