351W???

[red347lx]

What does it take to convert a non-roller block to a roller block?

 

[foxbodydave]

retro fit lifters...comp has them. and of course a roller cam and springs. my dad did it with his 71 block. cost about 6-700 hundred if you buy everything new

 

[red347lx]

what is differant about these lifters?

 

[FiveFour2000GT]

retro have tie bars
as a production roller block uses a spider system

retro on the left production set on the right

I had a retro solid lifter in my 393 W

 

[Boomer!]

what is differant about these lifters?

I believe the oil passages are located at different heights.

 

[dave89iroc]

I believe the oil passages are located at different heights.

mainly the link bars




you will need a cam button or thrust plate as well

 

[red347lx]

retro have tie bars
as a production roller block uses a spider system

retro on the left production set on the right

I had a retro solid lifter in my 393 W

no spiders or hold downs on retro then?

 

[FiveFour2000GT]

no spiders or hold downs on retro then?

nope

not unless you have a 94-98 and some mid 93s 351 block then you could use the spider set up
those blocks have the provisions for the spider and dog bones

"Lightning" truck blocks