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Posts Made By:
Stan Weiss
Forum:
Pontiac - Race
Today, 09:30 AM
Replies:
28
What size headers
Views:
543
Posted By
Stan Weiss
My simulations below 1000 foot with a throttle...
My simulations below 1000 foot with a throttle stop are way out. About 10 years ago here on PY I did do some simulations for someone who was running a .90 class. The idea for to see what MPH increase...
Forum:
Pontiac - Race
Yesterday, 11:48 PM
Replies:
28
What size headers
Views:
543
Posted By
Stan Weiss
What does your fathers car weight and what et...
What does your fathers car weight and what et does he dial?
Just a WAG using 3350# race weight.
1000 Foot ET = 8.4412
1/4 Mile ET = 9.9051
1/4 Mile MPH = 155.9576
Stan
Forum:
Pontiac - Street
Yesterday, 09:48 AM
Replies:
26
1000+ cfm from a Qjet
Views:
1,008
Posted By
Stan Weiss
Steve, When I first contacted / meet David over...
Steve,
When I first contacted / meet David over 20 years ago, he was already living in NC.
Stan
Forum:
Pontiac - Race
Yesterday, 09:27 AM
Replies:
28
What size headers
Views:
543
Posted By
Stan Weiss
Can you post dyno sheets for both engines? ...
Can you post dyno sheets for both engines?
What does each engine have for stall speed?
Stan
Forum:
Pontiac - Race
04-17-2024, 03:46 PM
Replies:
28
What size headers
Views:
543
Posted By
Stan Weiss
On the headers it is a combination of tube...
On the headers it is a combination of tube diameter and tube length.
You say your Fathers combination has less plenum volume than yours, what about total intake track length for each combination?...
Forum:
Pontiac - Race
04-15-2024, 10:16 AM
Replies:
36
Pro Stock Pontiacs
Views:
1,382
Posted By
Stan Weiss
Back when Bert was running Pro Stock. It was a...
Back when Bert was running Pro Stock. It was a pounds per ci class. Based on the size of the SBC and SBF (Cleveland) in similar weight cars. A WAG is Bert's engine was around 355 ci max and the best...
Forum:
Pontiac - Race
04-13-2024, 12:54 PM
Replies:
31
Darin Morgan PRI ICE presents Pontiac 570" 510cfm 1250hp engine
Views:
1,351
Posted By
Stan Weiss
Paul, I don't know what engine they are talking...
Paul,
I don't know what engine they are talking about in that video. I do know that 8 or more years ago John had post Torque 870 @ 7000 and HP 1290 @ 8300.
Stan
Forum:
Pontiac - Race
04-13-2024, 12:27 PM
Replies:
31
Darin Morgan PRI ICE presents Pontiac 570" 510cfm 1250hp engine
Views:
1,351
Posted By
Stan Weiss
John posted this is Sept 2022. From link I posted...
John posted this is Sept 2022. From link I posted above.
1298/914 with break in oil
7.54@181 at 2800 pounds with an auto trans
7.66@179 at 3010 pounds with a clutch last weekend in Indy
With...
Forum:
Pontiac - Race
04-13-2024, 12:10 PM
Replies:
31
Darin Morgan PRI ICE presents Pontiac 570" 510cfm 1250hp engine
Views:
1,351
Posted By
Stan Weiss
386 Head thread with a few pictures ...
386 Head thread with a few pictures
https://www.yellowbullet.com/threads/386-epd-head-500-cui.2649751/
Stan
Forum:
Pontiac - Race
04-12-2024, 10:23 AM
Replies:
31
Darin Morgan PRI ICE presents Pontiac 570" 510cfm 1250hp engine
Views:
1,351
Posted By
Stan Weiss
Have not had time to watch the video yet. ...
Have not had time to watch the video yet.
Highest HP NA ponchos
https://forums.maxperformanceinc.com/forums/showthread.php?t=861888
Stan
Forum:
Pontiac - Race
04-12-2024, 12:30 AM
Replies:
36
Pro Stock Pontiacs
Views:
1,382
Posted By
Stan Weiss
Stephen Pontiac's Ram Air V engine ...
Stephen Pontiac's Ram Air V engine
https://forums.maxperformanceinc.com/forums/showthread.php?t=821476
Stan
Forum:
Pontiac - Race
04-11-2024, 02:08 PM
Replies:
23
Welding IA large CID block after broken rod on Net.
Views:
864
Posted By
Stan Weiss
WOW 2" increase. :eek: Stan
WOW 2" increase. :eek:
Stan
Forum:
Pontiac - Race
04-11-2024, 11:30 AM
Replies:
23
Welding IA large CID block after broken rod on Net.
Views:
864
Posted By
Stan Weiss
Bill, Thanks. Do you happen to know how much...
Bill,
Thanks. Do you happen to know how much the cam was raised?
Stan
Forum:
Pontiac - Race
04-11-2024, 10:30 AM
Replies:
36
Pro Stock Pontiacs
Views:
1,382
Posted By
Stan Weiss
My understanding was that Bert Straus' heads had...
My understanding was that Bert Straus' heads had the intake ports welded. Looking at the engine back then, it was clear he cut off some of the exhaust port and made a new higher exhaust port.
Stan
Forum:
Pontiac - Race
04-10-2024, 10:46 PM
Replies:
23
Welding IA large CID block after broken rod on Net.
Views:
864
Posted By
Stan Weiss
Does anyone know if the tall deck height blocks...
Does anyone know if the tall deck height blocks had a raised cam location?
Stan
Forum:
Pontiac - Race
04-10-2024, 04:44 PM
Replies:
23
Welding IA large CID block after broken rod on Net.
Views:
864
Posted By
Stan Weiss
Troy, Did I miss understand about that block?...
Troy,
Did I miss understand about that block? Isn't that a tall deck height block they are fixing?
Stan
Forum:
Pontiac - Race
04-10-2024, 01:49 PM
Replies:
50
Dyno Time
Views:
1,745
Posted By
Stan Weiss
JMO It is the new cam. Stan
JMO It is the new cam.
Stan
Forum:
Pontiac - Race
04-08-2024, 11:27 AM
Replies:
50
Dyno Time
Views:
1,745
Posted By
Stan Weiss
At what RPM does the engine my 920 peak HP? ...
At what RPM does the engine my 920 peak HP?
Stan
Forum:
Pontiac - Race
04-08-2024, 08:58 AM
Replies:
50
Dyno Time
Views:
1,745
Posted By
Stan Weiss
From my standpoint it is hard to say what is...
From my standpoint it is hard to say what is happening due to lack of specs.
535 ci
1) 920 HP (what RPM), 278 intake and 292 exhaust on a 114 cl (what LSA), what heads (flow and valve size),...
Forum:
Pontiac - Street
04-05-2024, 10:35 AM
Replies:
17
Cylinder Offset Changes Everything
Views:
926
Posted By
Stan Weiss
Mark, I have some calculations in my software...
Mark,
I have some calculations in my software that I coded sometime ago, but am not sure just how accurate they are.
If you still have my software. You can play around with them on the Comp Gauge...
Forum:
Pontiac - Street
04-03-2024, 12:07 PM
Replies:
21
Opinions on 400 build: 4" crank 434 or 4.25" crank 461
Views:
963
Posted By
Stan Weiss
Thanks. I was just having a discussion with...
Thanks. I was just having a discussion with someone over on Yellow Bullet who only likes looking at uncorrected number .
Stan
Forum:
Pontiac - Street
04-03-2024, 10:01 AM
Replies:
21
Opinions on 400 build: 4" crank 434 or 4.25" crank 461
Views:
963
Posted By
Stan Weiss
Do you have a dyno sheet that you can post? ...
Do you have a dyno sheet that you can post?
Stan
Forum:
Pontiac - Street
04-03-2024, 01:01 AM
Replies:
17
Cylinder Offset Changes Everything
Views:
926
Posted By
Stan Weiss
Just so you know, Suzuki does not offset its...
Just so you know, Suzuki does not offset its cranks. Honda has a 4.5mm offset. KTM and Husqvarna use 5mm of offset. Kawasaki has 8.5mm of offset, and the Yamaha YZ450F offset is 12mm.
...
Forum:
Pontiac - Street
04-02-2024, 04:30 PM
Replies:
17
Cylinder Offset Changes Everything
Views:
926
Posted By
Stan Weiss
Cylinder Offset Changes Everything
This video does a great job of explaining what happens as a result of offset.
https://www.youtube.com/watch?v=gwtZkHoVMso
Stan
Forum:
Pontiac - Street
04-01-2024, 10:58 AM
Replies:
8
Another hybrid setup
Views:
456
Posted By
Stan Weiss
This data is from a Cam Dr file of Comp Cams...
This data is from a Cam Dr file of Comp Cams solid roller cam
It has about 32 degrees between 0.020" and 0.050"
Let say the hydraulic compresses 0.00364" (0.006" @ valve) you can see the...
Showing results 1 to 25 of 500
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