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Difference between HO and Non HO

2913 Views 9 Replies 4 Participants Last post by  25thfox
Just wanted to know if the only difference between the HO roller engine and the non HO roller engine was that the HO had forged pistons and the HO did not. Does anybody know is the block, crank and rods the same between the two of them. Is there any other differences. Please let me know if i am wrong. Thanks for any imput.
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Does the HO have a steel crank and the non HO has a cast? I believe that the cam is what creates the firing order right? Please correct me if i'm wrong because that seem to be happening alot latley. Because i have a custom grind that is for a HO engine with the firing order 1 3 7 2 6 5 4 8. I was just mainly wondering if the block, crank and rods were the same. All imput helps, thanks for the help so far.
perfect so if i buy a non HO roller engine from a 89 lincoln town car if i change the pistons the short block will be the same as an HO?
Perfect i thank you very much.
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