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Tractor Pulling Discussion Forum

6-2 powerblock sleeving....

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super a dude

09-09-2005 21:54:59




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i have recently broken the sleeves on a 6-2 powerblock for a early styled A, and was wondering about some sleeving ideas.....i have piddled witht he 6.5" or 6.75" bore sleeving..but am undecided and man is that alot of work, waht do you guys thing...i can get sleeve material for 300 for both sides, and can do the welding myself..... .any ideas? what about piston ideas.....thanks...




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Drew

09-10-2005 23:30:44




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 Re: 6-2 powerblock sleeving.... in reply to super a dude, 09-09-2005 21:54:59  
Making the 6.750 block wont be the hard part..... making it fit will be the fun part. It is doable though. For 6.750 you have to move each cyl out about .250" Not to say anything about your welding skills, but it may or may not hold water when you are done. That is curable though. Welding the sleeves in so you can finish hone it and not have the bores wadded all up and measuring all over the place will be a challenge. It might be easier to pay the $1100 and have it done for you. What type of sleeve material are you looking at? Getting billet custom pistons made is not a problem.

You say its a 6-2 for an early styled. Which is it, because it cant be both.

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buickanddeere

09-09-2005 22:04:55




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 Re: 6-2 powerblock sleeving.... in reply to super a dude, 09-09-2005 21:54:59  
Hydraulic cylinder repair shops. Are you a professional welder with an oven large enough to put the entire block into?



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super a dude

09-11-2005 19:20:10




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 Re: 6-2 powerblock sleeving.... in reply to buickanddeere, 09-09-2005 22:04:55  
i'm not a professional welder, but i have welded lots of cast and sleeves as well, so i trust my welding to hold. heat it with a torch and a thermometer and wrap it in blankets after it is welded. and it is a 6-2 block FOR A EARLY A..... if i hadn't ground off the numbers, i'd let people see it for themselves. everyone tells me a 6-2 is for a 47-49, well, i've got two and there for the three close bottom bolts and the one in the top center. it fits 39-early 47. i have ground both off unfortunately to hide that they are powerblocks..... .but i can assure you they were 6-2 casted in the top. 6.75" bore, is that what you have drew? I have done some measuring, and i think my block will show sleeve with a 7.125" hole bored in it for a 6.75" bore..... i don't really want to bore the block to 6.375" because that is alot of work for basically nothing that small..... ...thanks again for any ideas.

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jd b puller

09-10-2005 15:19:37




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 Re: 6-2 powerblock sleeving.... in reply to buickanddeere, 09-09-2005 22:04:55  
How hot do you need to have it in the oven at?



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buickanddeere

09-11-2005 08:48:59




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 Re: 6-2 powerblock sleeving.... in reply to jd b puller, 09-10-2005 15:19:37  
Depends if you are electrical welding, gas welding, silver soldering or brazing. You also need a large sand box to bury it in so the casting cools over several days.



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