Lifter I.D.
Seasoned HDF Member
Joined: May 2008
Posts: 20,959
Likes: 12,476
From: South Carolina
I get that, but what do small block chevy lifters have to do with Evo lifters?
Seasoned HDF Member
Joined: Mar 2010
Posts: 20,957
Likes: 7,485
From: Poolville
They say that they're an exact replacement but the problem is thst our Evo motors run at idle about 6 lb of oil pressure and running down the road maybe 18 to 20. Now you take a small block Chevy that has 30 lb at idle and 40 to 45 lb running down the road, There is no way you're going to get the oil you need up to the top of the motor with those lifters because they're going to restrict it at 6 lb..
Thread Starter
|
Cruiser
Joined: May 2019
Posts: 169
Likes: 59
From: Knoxville Tennessee
They say that they're an exact replacement but the problem is thst our Evo motors run at idle about 6 lb of oil pressure and running down the road maybe 18 to 20. Now you take a small block Chevy that has 30 lb at idle and 40 to 45 lb running down the road, There is no way you're going to get the oil you need up to the top of the motor with those lifters because they're going to restrict it at 6 lb..
Two ways around this is Using a multi viscosity 20-50 oil versus Harley SAE 60 and increasing The diameter of the oil port in the lifter to increase volume of flow.
Last edited by SJT; Feb 26, 2020 at 04:37 PM.
Seasoned HDF Member
Joined: May 2008
Posts: 20,959
Likes: 12,476
From: South Carolina
Small Block Chevy lifters are not going to work in an EVO engine.
SBC lifters are similar to the TC and M8 lifters...not Evo.
SBC lifters are similar to the TC and M8 lifters...not Evo.
Last edited by Dan89FLSTC; Feb 26, 2020 at 05:09 PM.
Seasoned HDF Member
Joined: Mar 2010
Posts: 20,957
Likes: 7,485
From: Poolville
Yeah, ya know I don't know what the hell I was thinking.. Thanx...