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Posts Made By:
Jay S
Forum:
Pontiac - Street
Yesterday, 08:07 AM
Replies:
15
Rocker not oiling and pushrod spins faster than others
Views:
520
Posted By
Jay S
Since it is an old engine, and it is on a run...
Since it is an old engine, and it is on a run stand, the next step should be to pull the oil galley plug out behind the galley that feeds number 8 and check to see if it is full of sludge.
What...
Forum:
Pontiac - Street
Yesterday, 07:55 AM
Replies:
6
8 valve relief piston cc
Views:
336
Posted By
Jay S
UEM FHR Icon’s 8VR forged pistons are much...
UEM FHR Icon’s 8VR forged pistons are much different than the Pontiac’s original 8VR design, it is a different relief design. The UEM Silverlite pistons are rated at 10 cc, and as far as I can tell...
Forum:
Pontiac - Street
09-24-2024, 02:56 PM
Replies:
15
Rocker not oiling and pushrod spins faster than others
Views:
520
Posted By
Jay S
Do you have the back oil galley plug in? The one...
Do you have the back oil galley plug in? The one in front of the distributer gear. The galley is behind the number 8 lifter.
Forum:
Pontiac - Street
09-24-2024, 01:15 PM
Replies:
112
Catastrophic Engine Failure
Views:
13,613
Posted By
Jay S
Awesome Jason! That is going to be a blast to...
Awesome Jason! That is going to be a blast to drive.
Forum:
Pontiac - Street
09-21-2024, 11:10 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
FWIW… I think a bushed lifter has its place with...
FWIW… I think a bushed lifter has its place with big cams on the street or racing. But on the street with a mild roller cam the needle bearing lifter will out last a bushed lifter by a lot. The...
Forum:
Pontiac - Street
09-21-2024, 08:20 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
I was recalling the Evolution lifters for an LS...
I was recalling the Evolution lifters for an LS that have .150” travel. I did not realize Evolutions for a Pontiac have a little less travel.
I think Tom S is looking up the instructions he used...
Forum:
Pontiac - Street
09-21-2024, 05:24 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
Oops, thanks, I should have looked it up. :). ...
Oops, thanks, I should have looked it up. :).
.125” is still considered a standard travel
Evolutions also have pin oiling.
Forum:
Pontiac - Street
09-19-2024, 06:01 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
It is hard to keep track of all the differences! ...
It is hard to keep track of all the differences!
Morel makes a raised oil band, designed for a Pontiac, which is nearly the same an Hylift Johnson, and Johnson, introduced in 2021.
Morel...
Forum:
Pontiac - Street
09-19-2024, 08:21 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
The HLJ site is tough to navigate and the...
The HLJ site is tough to navigate and the searches often do not work. I recall HLJ saying short travels have a 70% reduction in life.
Forum:
West
09-18-2024, 08:02 PM
Replies:
6
35th Annual Pontiac Uprising
Views:
1,794
Posted By
Jay S
I didn’t see this Uprising thread until a couple...
I didn’t see this Uprising thread until a couple days ago. We were not able to make it down there. I followed the Facebook group though.
.
Johnny Gilliam had his GTO there. Made a nice video
...
Forum:
Pontiac - Street
09-18-2024, 04:34 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
The “S” on the end of the part number on a HLJ...
The “S” on the end of the part number on a HLJ means “slow”, they are full travel.
I am curious Larry if your 327 has the slows instead of shorts? Last I recall HLJ reps did not make short...
Forum:
Pontiac - Street
09-18-2024, 10:20 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
The std HLJ lifter does not have their pin oiling...
The std HLJ lifter does not have their pin oiling option. The part number will have an E at the end of the part number for extra pin oiling. Generally with HLJ they are either a standard lifter...
Forum:
Pontiac - Street
09-14-2024, 08:26 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
Evolutions should be able to handle that. They...
Evolutions should be able to handle that. They can likely handle more aggressive profiles like an XFI at those pressures, but I think something like an XFI might be getting on the edge of what they...
Forum:
Pontiac - Street
09-13-2024, 11:53 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
The S means it is ground with a smaller diameter...
The S means it is ground with a smaller diameter small block journal, that is what I thought it might be. It will likely make quite a bit of extra sowing machine noise with ST lifters, smaller base...
Forum:
Pontiac - Street
09-13-2024, 11:23 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
I can’t really say without knowing what profile...
I can’t really say without knowing what profile it is. If the profile has to much acceleration early in the profile the seat pressure combined with the spring rate will work together to compress...
Forum:
Pontiac - Street
09-13-2024, 06:24 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
Those numbers are at .050”
Those numbers are at .050”
Forum:
Pontiac - Street
09-13-2024, 06:15 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
Does it have a prefix to say what journal it was...
Does it have a prefix to say what journal it was ground on?
Usually you don’t want to run a ST on something you’re going to drive a lot. I would have picked a limited travel PR for that,...
Forum:
Pontiac - Street
09-13-2024, 06:08 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
I think the PR lifters would have likely held the...
I think the PR lifters would have likely held the 200 lbs of seat pressure and 420 at max lift, the evolutions have a smaller diameter plunger, that apparently created issues with too high bleed...
Forum:
Pontiac - Street
09-13-2024, 04:07 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
That much seat pressure usually requires short...
That much seat pressure usually requires short travels. If you have to run much over 160 it is usually time to run short travels.
Forum:
Pontiac - Street
09-13-2024, 02:37 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
Very cool! A 2650 supercharger on a Pontiac. I...
Very cool! A 2650 supercharger on a Pontiac. I had not read that thread.
Forum:
Pontiac - Street
09-13-2024, 12:59 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
Does anyone know what became of the gentleman...
Does anyone know what became of the gentleman (last fall or early spring) that had his engine on the dyno and was having trouble with the Evolution lifters? Did he get it figured out?
Forum:
Pontiac - Street
09-13-2024, 11:06 AM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
An HR profile that needs short travels, like a...
An HR profile that needs short travels, like a dwell type profile.
Forum:
Pontiac - Street
09-12-2024, 11:09 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
The evolution are standard travel (.150”). I...
The evolution are standard travel (.150”). I would think they would work fine with that cam, but I have not used any yet. That UD profile family isn’t all that picky about lifters and bleed rates. ...
Forum:
Pontiac - Street
09-12-2024, 07:23 PM
Replies:
58
Comp Evolution HR lifters
Views:
2,368
Posted By
Jay S
What are the seat timing numbers on your cam? ...
What are the seat timing numbers on your cam? That will indicate what lifters you need to be looking at.
Forum:
61-66 Big Pontiac TECH
09-11-2024, 07:22 PM
Replies:
3
62 compression ratios
Views:
398
Posted By
Jay S
IRC…the low compression 389 had dished pistons
IRC…the low compression 389 had dished pistons
Showing results 1 to 25 of 500
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