l31 vs built 492s

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01-27-2018, 11:26 PM

stubbs

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l31 vs built 492s

I have two sets of a a set of stock l31s and a set of 492s built about as far as they can go with 2.082 intake valves shaved 100 thousendths and been port and polished i dont know by who. witch should i go with?

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05-17-2018, 11:35 AM

timothy_5326

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L31. Those valves are gonna be too big unless you are building a 400. The L31 with a lil massaging will outperform the 492s by a mile

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