Hydraulic Roller Lifters

LOL...what do you want to know? I ran mine very close to bottom. There's usually .120" till they bottom out ( if i recall correctly), and it does stop some lift loss due to bleeding, but the advantage is minimal unless it's a max effort class thing.
 
Not bottomed out but I have shimmed them internally so they only have .020 -.015 inch travel..

This was actually suggested by the cam grinder to diag the car. I was chasing a issue and we thought it was the lifters colpasing from too much spring pressure. Car actually still has the lifters like that today and has lots of street miles on it with no issues.
 
igotaneed4speed said:
Not bottomed out but I have shimmed them internally so they only have .020 -.015 inch travel..

This was actually suggested by the cam grinder to diag the car. I was chasing a issue and we thought it was the lifters colpasing from too much spring pressure. Car actually still has the lifters like that today and has lots of street miles on it with no issues.
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I think i had mine about .100" in, and theyre still kicking after 6 years.
 
I use to run mine .012 to .014 lash from the bottom, the trick is a lot of spring pressure. Stock cam and shifted my shit at 7700!

Paul
 
Thanks guys. I was just curious. I had a lifter that wouldn't pump up but I just replaced it. I'm running the comp pro magnums. I'm worried about my spring pressure though. I'm running some pretty stout pressures but the comp lifters are supposed to be able to handle quite a bit. I hope they don't collapse LOL.
 
quickstang1983 said:
Thanks guys. I was just curious. I had a lifter that wouldn't pump up but I just replaced it. I'm running the comp pro magnums. I'm worried about my spring pressure though. I'm running some pretty stout pressures but the comp lifters are supposed to be able to handle quite a bit. I hope they don't collapse LOL.
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Are you under 200 on the seat? If so should be fine.
 
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