89 351W roller cam??
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From: Delta B.C.
89 351W roller cam??
This is a non roller block, but am looking into what it takes to put a roller cam in there...
Its going into a 1991 F250 soon to be on 44s...
Its also going to be a 408 stroker and carbed, so its not needing an FI cam...
here is my question, do I need to put those special roller lifters in there for a non roller block, or is is possible to use 302 roller lifters, drill and tap 2 holes in the block for a retainer plate, use the FRPP tie bars and retainer plate kit?? Does the non roller block have deep enough lifter bores to do this???
Im not too sure whats all involved yet, so help would be really great!!!
thanks!!
Bob
Its going into a 1991 F250 soon to be on 44s...
Its also going to be a 408 stroker and carbed, so its not needing an FI cam...
here is my question, do I need to put those special roller lifters in there for a non roller block, or is is possible to use 302 roller lifters, drill and tap 2 holes in the block for a retainer plate, use the FRPP tie bars and retainer plate kit?? Does the non roller block have deep enough lifter bores to do this???
Im not too sure whats all involved yet, so help would be really great!!!
thanks!!
Bob
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From: Calhoun GA
A few guys with 351's have drilled tapped the block for the spider on their non-roller blocks without any outside issues. These guys are using the spider, lifters, and dogbones from a 5.0 Mustang for their conversion as well.
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From: Delta B.C.
yeah... thats what I like to hear!!! Is that using a cam designed for a roller HO aswell??? AKA a roller cam described as a replacement for a roller cam, and not one for a non roller cam??
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Joined: Jun 2005
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From: Manitoba Canada
k... the other difference between a roller and non roller block is the tops of the lifter bores..on a "factory" roller block, there is a relief machined for the "dog bones" ... on a non roller there is none... also, the spider mounting holes, (but we covered that earlier). Look to see EXACTLY what you have. If you need to use aftermarket lifters, make shure they use a tie rod for locating. Or you could get the local machine shop to machine the block for you. 
Last edited by F150 hybred; Sep 21, 2005 at 12:53 AM. Reason: oops!
More Turbo
Joined: May 2002
Posts: 594
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From: Wetumpka, Alabama
Originally Posted by Blurry94
A few guys with 351's have drilled tapped the block for the spider on their non-roller blocks without any outside issues. These guys are using the spider, lifters, and dogbones from a 5.0 Mustang for their conversion as well.
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