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Tractor Pulling Discussion Forum

800 jug U mm engine

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11-08-2023 19:04:01

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Hi. Wanting to build an 800 jug u engine . Who would be best to contact ? Or can a guy do it himself and just trim the rods instead of having the crank journals ? Thanks

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11-10-2023 16:37:18

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 Re: 800 jug U mm engine in reply to mmkid, 11-08-2023 19:04:01  
It's alot more to it than that, first of all don't use a a u block, use a 670 super block because your going to need the 3 blot starter to turn it

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11-10-2023 07:00:15

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 Re: 800 jug U mm engine in reply to mmkid, 11-08-2023 19:04:01  
Guess No body wants to tell you. First I've never did it. But had a Buddy who did. He bored his blocks to 5.5. Put used pistons from a Radial airplane engine. Stroked his crank to 7. Had custom rods made don't know sizes of rods. But do know he had to grind on it for days. You will need to have crank and cam out to grind on crankcase. Anyway. Now would be the time to stroke it. Have Fun!

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