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Forum: Pontiac - Street 05-19-2024, 08:22 AM
Replies: 25
Views: 897
Posted By Jay S
I think all you would have to do to see which...

I think all you would have to do to see which 60919 you have is to set it next to the SPC-8 and compare the lobe widths. If it has narrower lobes if is the later 60919. If it has the same width...
Forum: Pontiac - Street 05-19-2024, 08:08 AM
Replies: 25
Views: 897
Posted By Jay S
Depends….The 45* seats on the intakes move more...

Depends….The 45* seats on the intakes move more flow to where the piston speed is faster. The engine scavenges less, if your not careful it will make less power. It is similar to widening the LSA...
Forum: Pontiac - Street 05-18-2024, 11:58 PM
Replies: 25
Views: 897
Posted By Jay S
The Crane version has a lot of seat timing like...

The Crane version has a lot of seat timing like the SPC-8 but also has Asymmetric closing and opening ramps. The other RA4 type cams are closer to symmetrical profiles. I am not sure if Crane did...
Forum: Pontiac - Street 05-18-2024, 04:40 PM
Replies: 25
Views: 897
Posted By Jay S
There are applications where the 60919 is better,...

There are applications where the 60919 is better, and in other places the RA4 CMC grind’s do better. Crane had a RA 4 grind is another version different than these others also that is ground...
Forum: Pontiac - Street 05-18-2024, 07:59 AM
Replies: 25
Views: 897
Posted By Jay S
I have found they are are not all that similar. ...

I have found they are are not all that similar. I don’t think a 60919 can run as much compression as a RA4, those 9.5 estimates are pretty close, and with aluminum heads 10:1 is about it. The...
Forum: Pontiac - Street 05-17-2024, 09:56 AM
Replies: 20
Views: 504
Posted By Jay S
I come up with 9.57 SCR if it has the stock...

I come up with 9.57 SCR if it has the stock pistons.
Forum: Pontiac - Street 05-16-2024, 11:56 AM
Replies: 20
Views: 504
Posted By Jay S
If it has the stock 78 pistons in it yet with the...

If it has the stock 78 pistons in it yet with the big bevel on the piston top the compression with the 72cc heads would only be in the low 9s. That would work fine with that small XE.
Forum: Pontiac - Street 05-16-2024, 11:13 AM
Replies: 78
Views: 2,330
Posted By Jay S
HAH! Pual’s comments now reminds me of the spoof...

HAH! Pual’s comments now reminds me of the spoof Slick50 advertisement video my Dad, my brother and I did. Dad was the commentator, he gave the used car salesman slick50 pitch, reading all the...
Forum: Pontiac - Street 05-15-2024, 07:36 AM
Replies: 23
Views: 1,091
Posted By Jay S
Pictures are hard to tell, but the piston looks...

Pictures are hard to tell, but the piston looks reusable in the photo. I would bring them along and have him look at the pistons, and check the rods for roundness. Usually the bigger problem when...
Forum: Pontiac - Street 05-14-2024, 04:05 PM
Replies: 23
Views: 1,091
Posted By Jay S
The DSS pistons would only work for you if you...

The DSS pistons would only work for you if you found a machinist, then bore it or rehone it, rebalance it for the lighter DSS pistons and probably some forged rods, and deck the block. The DSS...
Forum: Pontiac - Street 05-14-2024, 11:57 AM
Replies: 23
Views: 1,091
Posted By Jay S
Yep, that helps a lot. What pistons does it...

Yep, that helps a lot. What pistons does it have?

The way your car is set up I think you would like the 112 version of that cam with RA manifolds better and the car would run a little harder,...
Forum: Pontiac - Street 05-14-2024, 10:08 AM
Replies: 23
Views: 1,091
Posted By Jay S
Your short on info to discuss how well the cam...

Your short on info to discuss how well the cam will work. Things like compression, carb and induction, transmission, stall, gears, and what car it is going in. Bulter’s I assume had that info when...
Forum: Pontiac - Street 05-12-2024, 12:34 PM
Replies: 23
Views: 1,091
Posted By Jay S
With the 400 and that cam you will find your...

With the 400 and that cam you will find your going to gain about 15 to 20 HP switching to OTB aluminum head over the stock 62s. Pretty expensive HP.
Forum: Pontiac - Street 05-09-2024, 10:44 PM
Replies: 23
Views: 1,091
Posted By Jay S
If you are in Oklahoma, it shouldn’t be that...

If you are in Oklahoma, it shouldn’t be that difficult to find someone to economically redo your 62 heads. Might start by contacting Len Williams.

http://lenwilliamsautomachine.com/Home.html
Forum: Pontiac - Street 05-09-2024, 10:10 PM
Replies: 15
Views: 525
Posted By Jay S
If it operates ok it could be that rumble is from...

If it operates ok it could be that rumble is from the wrong balancing with the 318 converter. A lock up converter that is going bad can make a chatter in high gear, but I would be a little...
Forum: Pontiac - Street 05-09-2024, 10:48 AM
Replies: 15
Views: 525
Posted By Jay S
A $500 rebuilt converter sounds cheap to me...

A $500 rebuilt converter sounds cheap to me compared to driving too a U pull it and pulling one out by myself. Lol

You can buy a flex plate that converts a 360 to neutral balancing like a 318. ...
Forum: Pontiac - Race 05-08-2024, 12:17 AM
Replies: 26
Views: 1,846
Posted By Jay S
Also, I don’t think it was mentioned, but if you...

Also, I don’t think it was mentioned, but if you are using Ethanol, it can lift Splash Zone, Moroso a&b, or JBweld. For E15, and even E10, they need covered with a urethane paint to protect them. ...
Forum: Pontiac - Race 05-07-2024, 05:15 PM
Replies: 26
Views: 1,846
Posted By Jay S
Resbond 907GF is what I use for exhaust work. ...

Resbond 907GF is what I use for exhaust work. heat rating…2350*F
Forum: Pontiac - Race 05-07-2024, 03:54 PM
Replies: 26
Views: 1,846
Posted By Jay S
I know some new head are found so it is not...

I know some new head are found so it is not really an issue fixing these anymore. But, I frequently weld iron heads and use epoxy on heads. Looking at those pictures of the problem area you could...
Forum: Pontiac - Street 05-07-2024, 08:05 AM
Replies: 15
Views: 525
Posted By Jay S
Precision is another good source for stock...

Precision is another good source for stock converters.

https://gopnh.com/
Forum: Pontiac - Street 05-06-2024, 11:31 PM
Replies: 15
Views: 525
Posted By Jay S
I don’t know if it will save you any money. But...

I don’t know if it will save you any money. But Dacco is what we have used and have not had any trouble with remans. I think they are the largest converter company in the country. I have one...
Forum: Pontiac - Street 05-01-2024, 06:46 PM
Replies: 24
Views: 1,022
Posted By Jay S
The best true 8VR economical replacements, which...

The best true 8VR economical replacements, which are still a dual purpose 8VR, but a better VR design with the same compression height as an L2262F, would be these:
...
Forum: THE LOBBY 05-01-2024, 08:19 AM
Replies: 42
Views: 1,797
Posted By Jay S
The prices have to stay high or go up, because...

The prices have to stay high or go up, because that same money buys less and less. If the price on car has went down the last few years, it didn’t go down in price a little, it went down a lot....
Forum: THE LOBBY 04-30-2024, 05:15 PM
Replies: 42
Views: 1,797
Posted By Jay S
I bought a newer Ram 4x4 half ton pickup last...

I bought a newer Ram 4x4 half ton pickup last winter with a V6. After driving it a while I thought this might be a good vehicle for my son to drive when he gets his license.

He is going to be 12...
Forum: Pontiac - Street 04-30-2024, 04:19 PM
Replies: 18
Views: 2,001
Posted By Jay S
My experience with them is that growth happens...

My experience with them is that growth happens quite a bit rechecking vmaxs.

Some set them cold and rechecked later when hot. If .010” was cold it probably is about .014” or more hot, and .016”...
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