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JD WITH * POWER BLOCK *

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JOHNNY

02-11-2003 19:09:47




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1. WHAT WAS THE REASON BEHIND IT AND WHY.

2. WHERE TO GET PARTS?.

3. WHERE TO GET TUNE UO INFO AND MANUELS.
THANKS FOR ANY HELP, JOHNNY.




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ff316

02-11-2003 20:06:34




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 Re: JD WITH * POWER BLOCK * in reply to JOHNNY, 02-11-2003 19:09:47  
The power block increased the bore for, as the name implies, more power. It was a kit offered by (I think) Tractor Supply co.

What parts do you need? There are a wealth of JD parts vendors out there. Do you need something specifically for the power block setup, like rings or something? The classified ads on this site are great, place a wanted ad and you will probably get replies.

Books are available on this site as well as many others, also local farm stores, and JD dealers as well. This site is a great resource, with many knowledgeable people posting on this board. If you have any questions, just post them, be sure to include the year if known and model, as well as pertinent other facts like distributor or magneto ignition, etc..


Good luck, Fireman

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JOHNNY

02-11-2003 21:23:58




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 Re: Re: JD WITH * POWER BLOCK * in reply to ff316, 02-11-2003 20:06:34  
TO: FIREMAN THAMKS FOR YOU FOLLOW UP AND, I AGGREE THIS IS A GREAT BOARD OF KNOWLEDGEABLE PEOPLE.
QUESTION! DID THEY TRACTOR SUPPLY CHANGE THE BORE ONLY OR WAS THE STROK ASLO CHANGE?. I HAVE A 1948 (A) ON THE BOLCK STAMP 6" USING THE STOCK STROK IT WOULD MAKE IT A 381,CID EST H.P AT 45. BASE IT TO JD(70) AT 379,CIDAND 44 H.P. SHOULD I USE THE STOCK PLUGS OR IS THERE SOMETHING BETTER.
IF ANYONE CAN SHARE A SITE THAT WILL HAVE INFO ON THESE TYPE ENGINE'S IT SURE WOULD HELP.
THANKS, JOHNNY

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ff316

02-12-2003 13:29:38




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 Re: Re: Re: JD WITH * POWER BLOCK * in reply to JOHNNY, 02-11-2003 21:23:58  
I don't know if they offered a stroke kit or not, I doubt it because that would involve a lot more work than most farmers would go through for a few more HP, at least in my opinion.

I'm not really sure about your plug situation, and don't know of any sites relating to the power block. Maybe someone over on the pulling forum can help you out.

Good luck, Fireman



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Robert

02-12-2003 09:17:08




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 Re: Re: Re: JD WITH * POWER BLOCK * in reply to JOHNNY, 02-11-2003 21:23:58  
I don't know about your situation, but I have a '45 "A" with a power block. On mine, the stroke wasn't changed, just the cylinder and pistons. I found out, (courtesy of someone on this site) that the rings from a 730 G will work on the power block, since they're both 6" bores. I bought a set of rings from the JD dealer. You get 1 extra ring in the set, but other than that, they fit. The price was pretty high, I thought ($118 for the set), but I'm used to dealing with Chevrolet small blocks, not tractors!

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