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Search took 0.13 seconds. Search: Posts Made By: Stan Weiss
Forum: Pontiac - Street 06-22-2026, 07:32 PM
Replies: 48
Views: 1,632
Posted By Stan Weiss
Remember that the flow bench only tells you what...

Remember that the flow bench only tells you what the air is doing, unless you have wet flow bench.

Stan
Forum: Pontiac - Street 06-21-2026, 09:05 AM
Replies: 48
Views: 1,632
Posted By Stan Weiss
Steve, You are welcome. A good example...

Steve,
You are welcome.

A good example would be a round port. Let use 2".

2 * 2 = 4 sq in

(2 / 2)^2 * pi = 3.14159 sq in or only about 78.5% of the raw calculation

Stan
Forum: Pontiac - Street 06-20-2026, 10:39 PM
Replies: 48
Views: 1,632
Posted By Stan Weiss
To calculate the true CD at the above listed...

To calculate the true CD at the above listed flanges, one would need to know what the corner radius are. That said for #1 I get 0.4778 and for number #5 I get 0.5028. This is also based on the flow /...
Forum: Pontiac - Street 06-19-2026, 01:19 PM
Replies: 20
Views: 927
Posted By Stan Weiss
Skip. How much reverse split did you run? ...

Skip.
How much reverse split did you run?

I am just playing with some math, and for 250 cfm int and 212.5 cfm exh I get around 5 degrees.

Thanks,
Stan
Forum: Pontiac - Street 06-18-2026, 01:09 PM
Replies: 20
Views: 927
Posted By Stan Weiss
Is this corrected? It says those numbers are...

Is this corrected? It says those numbers are uncorrected.

Stan
Forum: Pontiac - Street 06-02-2026, 04:48 PM
Replies: 23
Views: 919
Posted By Stan Weiss
Steve, My understanding is that the Crane...

Steve,
My understanding is that the Crane version was the closest to the Pontiac 041. I have Cam Dr data for the Crane cam I got from Ken C / H-O.

Stan
Forum: Pontiac - Street 06-02-2026, 02:26 PM
Replies: 23
Views: 919
Posted By Stan Weiss
Steve, What is the .050" numbers for those...

Steve,
What is the .050" numbers for those cams?

I have the Crower 60919 @t 231 @ .050"

So 276 -231 = 45 which is a very aggressive lobe.

Stan
Forum: Pontiac - Street 05-24-2026, 09:55 AM
Replies: 50
Views: 2,434
Posted By Stan Weiss
From Pontiac. Stan

From Pontiac.

Stan
Forum: Pontiac - Street 05-21-2026, 12:50 AM
Replies: 24
Views: 1,006
Posted By Stan Weiss
Skip, You need something Foxit PDF Printer or...

Skip,
You need something Foxit PDF Printer or the Full Adobe. You can then select them as your printer and the output is a pdf.

Stan
Forum: Pontiac - Street 04-26-2026, 06:07 PM
Replies: 79
Views: 19,277
Posted By Stan Weiss
OK, my guess 60 Foot ET = 1.2952 330...

OK, my guess

60 Foot ET = 1.2952
330 Foot ET = 3.7566
1/8 Mile ET = 5.8737
1/8 Mile MPH = 114.8393
1000 Foot ET = 7.7374
1/4 Mile ET = 9.3188
1/4 Mile MPH = 143.1552
Forum: Pontiac - Street 04-21-2026, 10:14 AM
Replies: 78
Views: 4,385
Posted By Stan Weiss
If the builder doesn't have the cam card you can...

If the builder doesn't have the cam card you can try and contact the manufacture and see if you can get a duplicate cam card.

Stan
Forum: Pontiac - Race 04-21-2026, 10:11 AM
Replies: 12
Views: 668
Posted By Stan Weiss
Skip, I believe it was Scott who ran the RAIV. ...

Skip,
I believe it was Scott who ran the RAIV.

Stan
Forum: Pontiac - Race 04-17-2026, 12:37 PM
Replies: 12
Views: 668
Posted By Stan Weiss
Las Vegas Stock - Pontiac #2 and #13 Stan

Las Vegas Stock - Pontiac #2 and #13

Stan
Forum: Pontiac - Street 04-14-2026, 07:45 PM
Replies: 78
Views: 4,385
Posted By Stan Weiss
Do you have the cam card? If so can you post it? ...

Do you have the cam card? If so can you post it?

Stan
Forum: Pontiac - Street 04-14-2026, 07:56 AM
Replies: 78
Views: 4,385
Posted By Stan Weiss
OK lets do some math. The dyno sheet is hard to...

OK lets do some math. The dyno sheet is hard to read so I may have gotten a number wrong. Lets look at peak Hp - 4300 RPM.

Using Fuel A plus Fuel B and the shown BSFC we get 181.95 Un Corrected HP...
Forum: Pontiac - Street 04-12-2026, 08:55 PM
Replies: 78
Views: 4,385
Posted By Stan Weiss
At what RPM was peak torque and peak HP? Stan

At what RPM was peak torque and peak HP?

Stan
Forum: Pontiac - Street 04-02-2026, 02:25 PM
Replies: 53
Views: 1,936
Posted By Stan Weiss
For a core from a different engine group/make to...

For a core from a different engine group/make to work many different things would have to be in the same location like cam journal, and lobe placement. Remember SBC, LSx, and BBC all have different...
Forum: Pontiac - Race 03-28-2026, 11:19 AM
Replies: 10
Views: 375
Posted By Stan Weiss
I don't know about today. But 10 or so years ago....

I don't know about today. But 10 or so years ago. 565 ci, 4.6" stroke, 1290 hp @ 8300

Stan
Forum: Pontiac - Race 03-23-2026, 09:54 PM
Replies: 12
Views: 668
Posted By Stan Weiss
I couldn't find the Qualifying sheets but did...

I couldn't find the Qualifying sheets but did find this

S Burton #28 12.525 -0.475
from Stock Eliminator Round 2 Eliminations...
Forum: Pontiac - Street 03-23-2026, 09:47 AM
Replies: 11
Views: 459
Posted By Stan Weiss
The lifter diameter controls the max velocity.As...

The lifter diameter controls the max velocity.As stated if the velocity is to high the lobe runs off of the lifter face. A .842" diameter will take about 0.00765 max. This shows the lobe profiles...
Forum: Pontiac - Race 03-21-2026, 12:56 PM
Replies: 12
Views: 668
Posted By Stan Weiss
NHRA Stock Eliminator Qualifying, Session #2 Final Order

2 of the Top 5 qualifiers are 74 Firebirds
...
Forum: Pontiac - Race 03-21-2026, 12:27 PM
Replies: 20
Views: 797
Posted By Stan Weiss
What Density Altitude do you normally run in...

What Density Altitude do you normally run in during the summer?

Stan
Forum: Pontiac - Race 03-21-2026, 10:50 AM
Replies: 18
Views: 3,418
Posted By Stan Weiss
Matt, Congratulation that is a huge increase in...

Matt,
Congratulation that is a huge increase in mid range power.

Stan
Forum: Pontiac - Race 02-20-2026, 06:02 PM
Replies: 67
Views: 22,106
Posted By Stan Weiss
John, Thanks. We would really need the full...

John,
Thanks. We would really need the full time slip to see if he lifted at the finish line.

Stan
Forum: Pontiac - Race 02-20-2026, 02:14 PM
Replies: 67
Views: 22,106
Posted By Stan Weiss
Does anyone know what the MPH was on the 3.793...

Does anyone know what the MPH was on the 3.793 run?

Stan
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