# SBC question

**URL:** <https://forums.speedlife.net/t/sbc-question/187527>\
**Category:** PittSpeed Automotive\
**Created:** [January 20, 2007, 6:43am UTC](https://forums.speedlife.net/t/sbc-question/187527 "2007-01-20T06:43:59Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![eurodad](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/eurodad/32/5988_2.png) [@eurodad](https://forums.speedlife.net/u/eurodad)\
**Post date:** [January 20, 2007, 7:47pm UTC](https://forums.speedlife.net/t/sbc-question/187527/7 "2007-01-20T19:47:20Z")

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> [@Another one of those Buffalo on the move threads...](https://forums.speedlife.net/t/another-one-of-those-buffalo-on-the-move-threads/27410/12):
>
> I’m somewhat confused when yuo say roller block, flat tappet cam.
> 
> What I currently have is a flat tappet cam, correct?
> 
> Are you saying these blocks ran an “old” stlye cam, with roller lifters?

a roller block is a 87 and up block that has the provisions to add a roller cam(86 and older don’t). the provisions arel the longer lifter bores, and holes for the cam retainer plate and lifter retainer. they all started with hydraulic cams, and eventually made the switch over to roller cams. roller lifter should only be used on roller cams and hydraulic lifter s and hydrulic cam. you can use your hydraulic cam but you need to use your hydraulic lifters, not the roller lifters. talk to me tommorow about this.

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