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Author
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Topic: Trouble with pulley for 289 to 351 swap
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Stinkynutz
Journeyman Posts: 97
From: Fabulous Las Vegas, Nevada, usa
Registered: Nov 2003
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posted 08-04-2004 11:08 AM
   
Hello folks, I am putting together all the stuff I need for a 289 to 351W swap in a '65 and I'm having trouble finding the correct diameter (6 3/4" +/-) 3 groove, 4 hole crank pulley. More of the 4 holers I've come across are 8" diameter. 3 grooves are also proving tough to locate. I think I read awhile back where someone merely drilled a 3 hole pulley to the correct 4 hole configuration and used it. Has anyone found a source for the correct pulleys, or has an opinion on how safe it is to re-drill the 3 hole pulley? I'm too cheap to go with March pulleys, and I'm trying to avoid the needle in a haystack approach at the boneyard. I'm not worried about the backspace since I have the correct spacer already to work with the 351W damper/crank. Thanks for any comments.
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SteveLaRiviere
Administrator Posts: 44954
From: Saco, Maine
Registered: May 99
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posted 08-04-2004 07:07 PM
quote:
Originally posted by Stinkynutz:
I think I read awhile back where someone merely drilled a 3 hole pulley to the correct 4 hole configuration and used it. Has anyone found a source for the correct pulleys, or has an opinion on how safe it is to re-drill the 3 hole pulley?
I did, and it ran many years without a problem. I'd do it again in a second. In fact, now that I think about it since I took the power steering setup off my Mach 1, I'll be dragging that pulley out and using it again. ------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
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Stinkynutz
Journeyman Posts: 97
From: Fabulous Las Vegas, Nevada, usa
Registered: Nov 2003
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posted 08-04-2004 07:23 PM
Thanks Steve!! This advice helps a bunch. I know all my other 289 stuff will work, and I've bought the correct (lower) ac bracket from a '69/'70 vintage 351W - so with that I should be good to go.
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