Non roller to roller 351 block ?????

88workcar · 03-03-2001, 07:30 AM

This 351 block that I have is not a roller. besides having to drill and tap the holes in the lifter valley, what else do I need to do. Is it as simple as dropping in a set of roller lifters from a 302. Or do I need a special lifter. Also will a normal 302 cam work?

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88workcar
1988 Mustang LX - 12.17 @ 112 MPH!

03-04-2001, 04:06 AM

Jason, Crane cams makes a conversion kit for non-roller blocks so you can use roller cams if you want.If it was me,I would call Crane and get the kit...

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Paxton Blown 87GT

macx · 03-04-2001, 12:45 PM

The diff in the blocks is that the factory roller blocks have a taller lifter bore for the taller hydr roller lifters. Crane does make retrofit hydr roller cams that have a smaller base circle so that the lifters don't ride as high in the lifter bore. They make a good assortment of cams, many are identical to cams made for roller blocks, and are made for use with a steel distrib gear so no fast gear wear problems. www.cranecams.com But, no, you can't use a "regular" roller block cam in a non-roller block.

03-03-2001, 07:30 AM	#1
88workcar Registered Member Join Date: Oct 1999 Location: Pierre Part, La. U.S.A. Posts: 1,850	Non roller to roller 351 block ????? This 351 block that I have is not a roller. besides having to drill and tap the holes in the lifter valley, what else do I need to do. Is it as simple as dropping in a set of roller lifters from a 302. Or do I need a special lifter. Also will a normal 302 cam work? ------------------ 88workcar 1988 Mustang LX - 12.17 @ 112 MPH!

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03-04-2001, 04:06 AM	#2
Mustanguy Guest Posts: n/a	Jason, Crane cams makes a conversion kit for non-roller blocks so you can use roller cams if you want.If it was me,I would call Crane and get the kit... ------------------ Paxton Blown 87GT

03-04-2001, 12:45 PM	#3
macx Registered Member Join Date: Oct 1999 Location: Gordonville MO USA Posts: 448	The diff in the blocks is that the factory roller blocks have a taller lifter bore for the taller hydr roller lifters. Crane does make retrofit hydr roller cams that have a smaller base circle so that the lifters don't ride as high in the lifter bore. They make a good assortment of cams, many are identical to cams made for roller blocks, and are made for use with a steel distrib gear so no fast gear wear problems. www.cranecams.com But, no, you can't use a "regular" roller block cam in a non-roller block.