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Tractor Pulling Discussion Forum

w6

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856 puller

07-11-2006 14:23:58




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just wondering what the stock bore & stroke of a w6 is. I found one with a 4.5x4.5 is this a good combo? thanks




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Farmall Doctor

07-13-2006 17:14:04




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 Re: w6 in reply to 856 puller, 07-11-2006 14:23:58  
How do you get that much stroke?? Can't be a stock, reworked crank??



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Kevin

07-12-2006 08:08:01




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 Re: w6 in reply to 856 puller, 07-11-2006 14:23:58  
Stock is 3.875x5.25 (bore x stroke) Id check your dimensions, your stroke is alittle short there.



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856 puller

07-12-2006 09:03:33




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 Re: w6 in reply to Kevin, 07-12-2006 08:08:01  
we are looking at one for sale and the guy that i talked to said it was a 421 cid but may not have had the bore and stroke specs right he was not the owner



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superih

07-12-2006 14:37:09




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 Re: w6 in reply to 856 puller, 07-12-2006 09:03:33  
Typical 421 stroker motors are 4 3/8" bore x 7" stroke. You can't bore an M or W6 block that far. Would have a later block in it from a Super or 400, 450.



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Joshin Around

07-12-2006 07:08:47




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 Re: w6 in reply to 856 puller, 07-11-2006 14:23:58  
A W6 is the same bore and stroke as an M Farmall. I beleive that they will interchange.



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newpuller

07-12-2006 12:14:57




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 Re: w6 in reply to Joshin Around, 07-12-2006 07:08:47  
The M and W6 are the same. The CID 248. They can be made a lot bigger, 421 is doubtful.



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RichB

07-13-2006 10:23:26




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 Re: w6 in reply to newpuller, 07-12-2006 12:14:57  
I pull with a guy who runs a real strong M 5"bore 8" stroke 630 CID,It's a runner,another guy I know is going to 660 CID,A 421 is only a baby.



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superih

07-13-2006 14:46:10




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 Re: w6 in reply to RichB, 07-13-2006 10:23:26  
Are they Baker motors? I didn't realize there were that many 8" motors going.



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RichB

07-14-2006 08:17:20




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 Re: w6 in reply to superih, 07-13-2006 14:46:10  
Marlett motors,The 660 is not together yet I don't think,I'll see the guy having the motor built at a pull the 22nd,should get some more info then,I'm thinkin 5.125 bore that works out to 660,I need a bigger motor for my Oliver!!!



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supermpuller

07-12-2006 14:39:26




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 Re: w6 in reply to newpuller, 07-12-2006 12:14:57  
There are some M's running over 600 ci, most of the hot ones are 585 ci.



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newpuller

07-13-2006 10:15:43




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 Re: w6 in reply to supermpuller, 07-12-2006 14:39:26  
No kiddin'? How do you get that many CIs?



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