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Search took 0.09 seconds. Search: Posts Made By: Stan Weiss
Forum: Pontiac - Street 04-22-2024, 09:07 PM
Replies: 50
Views: 2,935
Posted By Stan Weiss
I was just looking a draft of an article that was...

I was just looking a draft of an article that was sent to me to review a few years ago by the late Harold Betts. It is on Quadra Jet Carbs. I don't know who owns the copyright so I will not post the...
Forum: Pontiac - Race 04-13-2024, 12:54 PM
Replies: 31
Views: 1,566
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 - Street 04-03-2024, 12:07 PM
Replies: 21
Views: 1,072
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, 01:01 AM
Replies: 17
Views: 1,025
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
Views: 1,025
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 03-10-2024, 03:20 PM
Replies: 33
Views: 1,172
Posted By Stan Weiss
If you check, both Tremec and GM rate trans by...

If you check, both Tremec and GM rate trans by torque capacity. A 750 HP SBC will not be making as much torque as your 600 HP Pontiac.

Stan
Forum: Pontiac - Street 02-18-2024, 08:50 AM
Replies: 47
Views: 1,909
Posted By Stan Weiss
While changing rocker arm ratio and valve lash...

While changing rocker arm ratio and valve lash help you dial in a camshaft that is not optimum, they do it differently. The green line is with the 1.65:1 rocker arm ratio and 0.021" lash the cam was...
Forum: Pontiac - Street 02-16-2024, 12:29 PM
Replies: 47
Views: 1,909
Posted By Stan Weiss
Jay, This is the cam I posted above with the...

Jay,
This is the cam I posted above with the 0.021" lash it calls for and also 0.017"

_______I__N__T__A__K__E
Rocker_Arm_Ratio_=_1.650_________Valve_Lash_=_0.02100________Valve_Angle_=_20.0
...
Forum: Pontiac - Street 02-15-2024, 08:01 PM
Replies: 47
Views: 1,909
Posted By Stan Weiss
This is a comp cams solid roller cam for a SBF...

This is a comp cams solid roller cam for a SBF that I have a Cam Dr file for. It is 267.84 @ 0.050" lifter raise.

It was designed to use 1.65:1 rocker arms and I also show it with 1.8:1 rocker...
Forum: Pontiac - Street 02-05-2024, 10:53 AM
Replies: 46
Views: 2,911
Posted By Stan Weiss
You might want to look at this thread. ...

You might want to look at this thread.

https://forums.maxperformanceinc.com/forums/showthread.php?t=855368

Stan
Forum: Pontiac - Street 02-04-2024, 01:10 PM
Replies: 15
Views: 910
Posted By Stan Weiss
This might be an interesting read. Lifter...

This might be an interesting read.

Lifter face radius question

https://www.speed-talk.com/forum/viewtopic.php?t=46101

Stan
Forum: Pontiac - Street 02-01-2024, 11:11 PM
Replies: 57
Views: 3,215
Posted By Stan Weiss
Frank, Remember seating velocity is not only a...

Frank,
Remember seating velocity is not only a function of cam / ramp design, but also RPM.

Stan
Forum: Pontiac - Street 01-30-2024, 02:52 PM
Replies: 57
Views: 3,215
Posted By Stan Weiss
Flat Tappet Camshafts & More

Interesting Video

https://www.youtube.com/watch?v=NYtMCZYnF7I

Stan
Forum: Pontiac - Street 01-28-2024, 06:00 PM
Replies: 161
Views: 8,357
Posted By Stan Weiss
General Z is running a Holley 750. Stan

General Z is running a Holley 750.

Stan
Forum: Pontiac - Race 01-28-2024, 11:29 AM
Replies: 25
Views: 2,963
Posted By Stan Weiss
Sorry but I already have to many lists going. ...

Sorry but I already have to many lists going.

The Crower 60919 is a very close copy of the Pontiac RAIV / 041 cam. I believe Cliff R has run 11.4x with the Crower 60919.

Stan
Forum: Pontiac - Street 01-26-2024, 11:18 AM
Replies: 161
Views: 8,357
Posted By Stan Weiss
What I believe needs to be done Stan

What I believe needs to be done

Stan
Forum: Pontiac - Street 01-25-2024, 11:37 AM
Replies: 161
Views: 8,357
Posted By Stan Weiss
First the computer can only show you somethings,...

First the computer can only show you somethings, but you must really test for the best results.

Second while you hear engine torque is so important it is really torque at the rear wheels that...
Forum: Pontiac - Street 01-24-2024, 08:49 PM
Replies: 161
Views: 8,357
Posted By Stan Weiss
Post #68 If the valves are floating @ 5000...

Post #68

If the valves are floating @ 5000 RPM find out why and fix it!!

I am not saying a bigger cam will not make more HP than the Summit 2802, but as shown above the Summit 2802 should make...
Forum: Pontiac - Street 01-23-2024, 02:06 PM
Replies: 19
Views: 1,341
Posted By Stan Weiss
I believe this will be pretty close to the chart....

I believe this will be pretty close to the chart.

Peak HP RPM = 1000 * (cfm / cid) * 2

Stan
Forum: Pontiac - Street 01-21-2024, 03:39 PM
Replies: 161
Views: 8,357
Posted By Stan Weiss
Dennis, The OP has not been on PY in a couple...

Dennis,
The OP has not been on PY in a couple of days. So getting any answers from him will have to wait, as to what he used to come up with mid 14's. But for me that indicates that there are some...
Forum: Pontiac - Street 01-19-2024, 11:52 PM
Replies: 161
Views: 8,357
Posted By Stan Weiss
Was this ever done? Stan

Was this ever done?

Stan
Forum: Pontiac - Street 01-05-2024, 11:40 AM
Replies: 3
Views: 452
Posted By Stan Weiss
It would really help if you posted a picture of...

It would really help if you posted a picture of the gear showing the engagement lugs.

Stan
Forum: Pontiac - Race 01-03-2024, 07:42 AM
Replies: 15
Views: 1,327
Posted By Stan Weiss
Steve, The SD Performance web site lists the...

Steve,
The SD Performance web site lists the 290-295 heads @ 197 cc.

https://www.sdperformance.com/listProducts.php?categoryID=49

Stan
Forum: Pontiac - Street 12-23-2023, 02:08 AM
Replies: 83
Views: 5,779
Posted By Stan Weiss
What happened to the 91 octane in the 1st post? ...

What happened to the 91 octane in the 1st post?

So you have a 51-602-11 cam and 11.4:1 CR and cranking compression of 195 psi. At what ICL are you?

Stan
Forum: Pontiac - Street 12-20-2023, 11:28 AM
Replies: 17
Views: 1,538
Posted By Stan Weiss
When using the same lobes. As you widen the LSA...

When using the same lobes. As you widen the LSA you will reduce overlap and will have less lopy idle.

Stan
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