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They have been known as "retrofit" since the factories (since all of the OE mfrs use similar setups) introduced their thing. Before that they were simply called "roller".
I would rather have Rollers. Better Camshaft choices with Rollers. I've always wondered what those Linked Lifters were for. Thank you for the information.
These are for big block but small block ones are the same except the link bar doesn't have the bends in it.
Somehow, there has to be a method of holding them from turning; the roller axle MUST be kept parallel to the cam. REAL BAD things happen when the lifter body rotates away from that orientation. The factory uses those "figure 8" things, with the flats, in the 87-up small block. LS motors use "trays" that look and act very similarly. Back when blocks had no provision for any of that, this is what we did.
Come to think of it, LSx "trays", along with maybe rev kit parts or the like, could possibly be used to "retrofit" older blocks. Never seen or heard of it, let alone tried it; butt maybe it could work. Hmmmm… maybe a good coronavirus shelter-in-place project... Although, even in the LSx motors, once the lobe lift exceeds some certain point, at which one lifter being pushed up by the cam would knock the tray off of the other one, the link-bar type is all that can be used. But for a mild street build, on real small cams with lobe lifts below .400" or so, just maybe.
Last edited by sofakingdom; Mar 27, 2020 at 12:19 PM.
Wasn't going to bother commenting ITT until I clicked on this vid and got a look at that block with the threaded rods screwed into the oil gallery; to say that piqued my interest would be an understatement. Ran the vid a little further until I came to this: "........the oil galley hole is almost---almost---perfectly aligned; it's definitely you know, within, you know, close; it's close enough; it's different, but it's close enough............."
As far as the 6-banger roller lifters being "lighter" than small-block lifters, well, there's a reason why the V8 piece weighs what it weighs.
That video, even though you can hear him say certain "ou" sounding words like in Canada or The Norther States, is what we, in Indiana, like to call "Kentucky Engineering". And boy isn't it at it's finest in the video?
"........the oil galley hole is almost---almost---perfectly aligned; it's definitely you know, within, you know, close; it's close enough; it's different, but it's close enough............."
Yeah, I caught that too. Was noticing that he couldn't figure out what the difference was in thousandths of an inch. Not like I would know either, but I would have still measured it to find out before making a video.
Hey you guys shouldn't ought make fun that man, him's just a boy! He didn'ts even used the JBWeld method of tatchin' that there um spider retainer gizmo whatzits. That ****'ll be fine just fine by golly tell you wutt.
Sorry, this Covid19 **** and the cavalcade of retard questions is starting to wear me down. I'm about 1/2 a step away from stealing a police interceptor and declaring war on the un-roadworthy.
Thing is, the lifter bosses on the block are not machines flat, like the factory roller blocks are, that and the fact that he drilled and tapped into the oil passage...hmmn, what seals the threads and how deep did he go and will it restrict oil flow? Possible I guess if he did seal the threads, but at a minimum he should put a locknut on his threads to secure the standoffs.
Looking at it, it really looks like a catastrophe waiting to happen.
But then again, maybe he did use JB Weld, so all should be fine
I'd be worried about the figure-8s not sitting flat on the block, and being ground so thin on the back side that they might just split and let the lifter turn. As well as the drilling into the main oil passage and not securely anchoring whatever plugs the holes. I wouldn't trust JB weld for that; it'd HAVE TO BE a jam nut.
All around though, that's some serious hilljack rigging. That guy needs to practice up for his Darwin award tryouts. Maybe put a .22 round in his fusebox to replace a fuse, and the short causes so much current to flow in it that it heats up and goes off and shoots himself in the genitals.
