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Search took 0.07 seconds. Search: Posts Made By: Jay S
Forum: Pontiac - Street 09-21-2024, 08:20 PM
Replies: 58
Views: 2,330
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 09-19-2024, 06:01 PM
Replies: 58
Views: 2,330
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 09-14-2024, 08:26 AM
Replies: 58
Views: 2,330
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, 04:07 PM
Replies: 58
Views: 2,330
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 09-12-2024, 11:09 PM
Replies: 58
Views: 2,330
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: 61-66 Big Pontiac TECH 09-11-2024, 07:22 PM
Replies: 3
Views: 398
Posted By Jay S
IRC…the low compression 389 had dished pistons

IRC…the low compression 389 had dished pistons
Forum: Pontiac - Street 09-07-2024, 07:31 PM
Replies: 16
Views: 815
Posted By Jay S
The pitting on the bearings is from acidic oil...

The pitting on the bearings is from acidic oil sitting in those engines for long periods of time when the engine is not in service.
Forum: Pontiac - Street 08-29-2024, 01:35 PM
Replies: 27
Views: 7,255
Posted By Jay S
The current 60919 (the 112LSA version) really do...

The current 60919 (the 112LSA version) really do not need Rhoad’s lifters in 455s with 9+ compression.. The SPC-8 has more seat timing, @.006” tappet a SPC-8 runs around 292*/303*, the 60919 is mid...
Forum: Pontiac - Street 08-23-2024, 08:26 AM
Replies: 15
Views: 912
Posted By Jay S
8.2 to 8.5 in a 400 with stock stroke and...

8.2 to 8.5 in a 400 with stock stroke and pistons.

Mid 9s with 4.21 or 4.25 cranks and flat tops
Forum: Pontiac - Street 08-17-2024, 09:12 PM
Replies: 34
Views: 1,427
Posted By Jay S
It doesn’t appear that all the guides received...

It doesn’t appear that all the guides received knurling. It has had to have a valve job to get the seats that narrow. Plus I don’t know how many guides received knurling, but it is necessary to do a...
Forum: THE LOBBY 08-16-2024, 05:41 PM
Replies: 21
Views: 1,432
Posted By Jay S
BBC stuff has gotten cheaper than ever, you don’t...

BBC stuff has gotten cheaper than ever, you don’t have to be stuck with a boat to get a good deal. I bought a nice complete standard bore 454 short block with 4 bolt mains last summer for just...
Forum: THE LOBBY 08-16-2024, 11:20 AM
Replies: 21
Views: 1,432
Posted By Jay S
For more cubes just swap in a mid 90s EFI 460 and...

For more cubes just swap in a mid 90s EFI 460 and E4OD in your TC. Mid 90s 2wd F250 with a fox body pan and it would be a pretty easy swap, electronics and all, and there is aftermarket support...
Forum: Pontiac - Street 08-16-2024, 09:42 AM
Replies: 9
Views: 495
Posted By Jay S
The lobe your questioning looks like the lifter...

The lobe your questioning looks like the lifter is about to quit spinning, and the taper is already completely gone off the nose. Not worth even measure that, I would scrap it.
Forum: Pontiac - Street 08-13-2024, 09:27 PM
Replies: 18
Views: 644
Posted By Jay S
I like that you changed the oil that frequently...

I like that you changed the oil that frequently on a fresh engine, I think it really helps flush out the contaminants from the break in.

I think the high calcium (edit, This should have said...
Forum: Pontiac - Street 08-08-2024, 03:38 PM
Replies: 18
Views: 990
Posted By Jay S
After spending some time reworking Pontiac...

After spending some time reworking Pontiac intakes, I think that last generation of Pontiac intakes is extremely underrated, I think it would run circles around a performer Intake. It is reshaped...
Forum: Pontiac - Street 08-05-2024, 06:16 PM
Replies: 34
Views: 1,427
Posted By Jay S
I come up with 9.28 SCR using 77 cc. With the...

I come up with 9.28 SCR using 77 cc. With the specs described it was running 9.1 to 9.3 SCR. I read the earlier posts working on the tune, I don’t think it was the tune. I think it was probably...
Forum: Pontiac - Street 08-01-2024, 10:51 PM
Replies: 62
Views: 3,127
Posted By Jay S
Driven GP1 uses an additive for long term...

Driven GP1 uses an additive for long term storage. Supposedly similar to what the military uses.

I wonder if long term storage could raise the lead level if a source of lead is exposed?

The...
Forum: Pontiac - Street 07-25-2024, 04:14 PM
Replies: 10
Views: 753
Posted By Jay S
The Summit 2802 is in stock. The Crowers are...

The Summit 2802 is in stock. The Crowers are not.

You can email Bullet or talk to them over the phone, give them that lobe info I provide or go off what they say.

https://www.bulletcams.com/
Forum: Pontiac - Street 07-25-2024, 10:05 AM
Replies: 10
Views: 753
Posted By Jay S
I am curious what pistons your engine has. I...

I am curious what pistons your engine has. I played with the numbers some and there was a little more difference in the pumping numbers than I would generally expect from the 62 to 6X-4 swap. ...
Forum: Pontiac - Street 07-21-2024, 11:56 PM
Replies: 62
Views: 3,127
Posted By Jay S
I guess they have to say something about it. :) ...

I guess they have to say something about it. :)

I would not be at all worried about it. Lead will leach easily. It can get up to a couple hundred ppm just by a small scratch in a bearing. It...
Forum: Pontiac - Street 07-19-2024, 04:02 PM
Replies: 62
Views: 3,127
Posted By Jay S
Unless the engine has trouble maintaining oil...

Unless the engine has trouble maintaining oil pressure toward the end of the oil change, or the UOA was indicating that a thicker oil would help on wear, there would be no reason to change to the...
Forum: Pontiac - Street 07-19-2024, 09:41 AM
Replies: 62
Views: 3,127
Posted By Jay S
A lot of oils show close to 10w loss in shear by...

A lot of oils show close to 10w loss in shear by the end of the oil change. That test came back as almost a thick 10w30. The wider the weights are between the cold and hot index is, the more it...
Forum: Pontiac - Street 07-18-2024, 01:48 PM
Replies: 6
Views: 691
Posted By Jay S
I think if it is a small valve head, and your...

I think if it is a small valve head, and your searching for fuel economy and pulling the engine hard at low speeds your better off with a 45* valve. If power is the primary concern with a small...
Forum: Pontiac - Street 07-16-2024, 09:09 AM
Replies: 41
Oil
Views: 2,522
Posted By Jay S
I attached a Blackstone analysis from STP. ...

I attached a Blackstone analysis from STP. Middle column is current STP, the far right column is STP from the early 80s. FWIW…When and additive has less ZDDP than the oil your adding to it, your...
Forum: THE LOBBY 07-14-2024, 07:20 PM
Replies: 17
Views: 1,179
Posted By Jay S
Awesome you held on to the GTO to get your son to...

Awesome you held on to the GTO to get your son to take over and is both excited about it and nostalgic. I recall you were considering looking for a home for it several years ago, and were ready for...
Showing results 1 to 25 of 437
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