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Posts Made By:
Stan Weiss
Forum:
Pontiac - Street
Today, 09:03 AM
Replies:
22
Dyno results opinions
Views:
403
Posted By
Stan Weiss
Steve, You need to understand how that type of...
Steve,
You need to understand how that type of dyno works. Rear end gear ratio and rear tire size should make no difference. Normally the test is done in drive 1:1. I talk with someone who did the...
Forum:
Pontiac - Street
Today, 12:32 AM
Replies:
22
Dyno results opinions
Views:
403
Posted By
Stan Weiss
887.0 Torque @ 2271 RPM is 383.5 HP 429.6 HP...
887.0 Torque @ 2271 RPM is 383.5 HP
429.6 HP @ 2980 RPM is 757.5 Torque
Also it has correct the output to SAE J1349 where as most engine dynos use SAE J607
Stan
Forum:
Pontiac - Street
09-23-2024, 08:29 AM
Replies:
53
Firebird is gutless turd-pig. Help!
Views:
2,548
Posted By
Stan Weiss
No Updates? All you need to do is advance the...
No Updates? All you need to do is advance the timing to see if it fixes the problem.
Stan
Forum:
Pontiac - Street
09-19-2024, 04:34 PM
Replies:
53
Firebird is gutless turd-pig. Help!
Views:
2,548
Posted By
Stan Weiss
What is your CR? A couple of people have...
What is your CR?
A couple of people have asked. So why not do a cranking compression test?
Stan
Forum:
Pontiac - Race
09-15-2024, 07:58 PM
Replies:
17
How much NOS with 111 lobe sep
Views:
684
Posted By
Stan Weiss
As stated above trans are rate in torque...
As stated above trans are rate in torque capacity. Search the web and see how GM rates their auto trans and Tremec rates their manual trans.
Don't have the nitrous come in to low an RPM.
Stan
Forum:
Pontiac - Street
09-14-2024, 09:46 AM
Replies:
180
Dci aluminum ra 4 heads
Views:
9,745
Posted By
Stan Weiss
What I see is a number of people saying what they...
What I see is a number of people saying what they want Don to make. Don has brought 2 heads to market before this. The Tiger and his RAV. Neither of these heads is what I would call "Plug and Play"....
Forum:
Pontiac - Street
09-13-2024, 12:17 PM
Replies:
9
428 with 670 heads and 2802 cam
Views:
472
Posted By
Stan Weiss
Dennis posted his a few years ago. Stan
Dennis posted his a few years ago.
Stan
Forum:
Pontiac - Street
09-12-2024, 08:08 PM
Replies:
180
Dci aluminum ra 4 heads
Views:
9,745
Posted By
Stan Weiss
If we want to compare with an LS. I have a...
If we want to compare with an LS.
I have a Audie CPP report from a Tooly Stage 2 cam
279/292 @ 0.006" | 227.6/235.2 @ 0.050" | 0.36178"/0.33859" lobe lift | 0.61502"/0.57560" At Valve with...
Forum:
Pontiac - Street
09-12-2024, 06:44 PM
Replies:
180
Dci aluminum ra 4 heads
Views:
9,745
Posted By
Stan Weiss
Above is my original post. I didn't say the DCI...
Above is my original post. I didn't say the DCI heads could not be made to work. But how many stock head Pontiac have a cam like the LS3? High lift short duration.
Stan
Forum:
Pontiac - Street
09-12-2024, 06:26 PM
Replies:
180
Dci aluminum ra 4 heads
Views:
9,745
Posted By
Stan Weiss
I only had a rough idea what the LS cam specs...
I only had a rough idea what the LS cam specs were. This what I got when I did a google search.
Stock LS3 Cam Specs: 204/211 duration, 0.551/0.525 lift, 117 lobe separation angle, 1.7:1 rocker arm...
Forum:
Pontiac - Street
09-12-2024, 04:17 PM
Replies:
180
Dci aluminum ra 4 heads
Views:
9,745
Posted By
Stan Weiss
If in fact these heads flow the rumored 300 cfm....
If in fact these heads flow the rumored 300 cfm. Then IMO someone replacing a stock head without doing any other changes will not be happy.
Stan
Forum:
Pontiac - Street
09-12-2024, 01:34 PM
Replies:
180
Dci aluminum ra 4 heads
Views:
9,745
Posted By
Stan Weiss
It seem people want this head to just be plug and...
It seem people want this head to just be plug and play.
So I am just curious what would you be replacing if you bought these heads
1) Basically stock or close to stock Cast Iron Heads
2)...
Forum:
Pontiac - Street
09-11-2024, 11:55 AM
Replies:
180
Dci aluminum ra 4 heads
Views:
9,745
Posted By
Stan Weiss
JMO If the intake seat ring will take it offer...
JMO If the intake seat ring will take it offer the head with an optional 2.11 intake valve. The SBC have had a 60 40 head for sometime.
Stan
Forum:
Pontiac - Race
09-09-2024, 02:20 PM
Replies:
9
Best way to lower compression?
Views:
421
Posted By
Stan Weiss
Paul, Do you believe that some over balance is...
Paul,
Do you believe that some over balance is not a problem?
If so, and he has room to dish his piston. Do you think he would be OK without re-balancing?
Stan
Forum:
Pontiac - Race
09-08-2024, 10:42 AM
Replies:
92
What’s Wrong With This Time Slip?
Views:
2,672
Posted By
Stan Weiss
Your et is your et. If you go red by -.500 or cut...
Your et is your et. If you go red by -.500 or cut a .000 light or are slow by .500
Have you been able to see at what RPM you are shifting at?
Stan
Forum:
Pontiac - Race
09-08-2024, 09:24 AM
Replies:
92
What’s Wrong With This Time Slip?
Views:
2,672
Posted By
Stan Weiss
Yes that is some nice progress. Can you post up a...
Yes that is some nice progress. Can you post up a time slip?
Stan
Forum:
Pontiac - Race
09-04-2024, 03:09 PM
Replies:
103
What size headers
Views:
6,852
Posted By
Stan Weiss
Matt, Have you talked to Ed Page screen name...
Matt,
Have you talked to Ed Page screen name RAIV-Z here on PY. He has a twin turbo 535 ci with DCI RA V heads. I believe this past year he had John Marcella do some work on them.
Stan
Forum:
Pontiac - Race
09-04-2024, 11:25 AM
Replies:
103
What size headers
Views:
6,852
Posted By
Stan Weiss
Matt, If I remember correctly you and your...
Matt,
If I remember correctly you and your father started out with the same head casting, but had different people do the work and, his engine had a much better torque curve.
Stan
Forum:
Pontiac - Race
09-04-2024, 09:29 AM
Replies:
103
What size headers
Views:
6,852
Posted By
Stan Weiss
Matt, What might help is if you have data...
Matt,
What might help is if you have data logging you could post.
Not sure what run I saved the data to simulate, but this is what I get for acceleration /G's
Stan
Forum:
Pontiac - Race
09-02-2024, 08:06 AM
Replies:
11
1/8th time slip
Views:
472
Posted By
Stan Weiss
I don't think your MPH will be much more. I think...
I don't think your MPH will be much more. I think your et will be in the very low 7's maybe very high 6's
Stan
Forum:
Pontiac - Race
08-31-2024, 10:24 PM
Replies:
16
NHRA Indy 2024 Stock
Views:
741
Posted By
Stan Weiss
In this case I believe they were just random...
In this case I believe they were just random checks done after class was run. From what I understand the Camaro had a problem with his pistons and the other 3 passed inspection.
Stan
Forum:
Pontiac - Race
08-30-2024, 11:24 AM
Replies:
16
NHRA Indy 2024 Stock
Views:
741
Posted By
Stan Weiss
NHRA Indy 2024 Stock
Interesting that 2 of the 4 cars they are check to see if they are legal are Pontiac.
https://www.youtube.com/watch?v=hTn90lJlEbs
Stan
Forum:
Pontiac - Race
08-27-2024, 11:59 AM
Replies:
69
Monday is Dyno Day Guess my HP & Torque
Views:
4,765
Posted By
Stan Weiss
Remember if you retard the cam all events move. ...
Remember if you retard the cam all events move.
So just what does this graph show? It shows the overlap triangle for the Crane 041 cam with 1.5:1 intake and exhaust rocker arms. With 1.65:1 intake...
Forum:
Pontiac - Race
08-24-2024, 12:21 PM
Replies:
92
What’s Wrong With This Time Slip?
Views:
2,672
Posted By
Stan Weiss
Yes improving your 60 foot times will lower your...
Yes improving your 60 foot times will lower your et, but that is only a piece of why you are not running what you want to.
The only way to know how good your exhaust system is, is to make a pass...
Forum:
Pontiac - Race
08-23-2024, 01:44 PM
Replies:
92
What’s Wrong With This Time Slip?
Views:
2,672
Posted By
Stan Weiss
I used 3800 pounds. Do you know what your car...
I used 3800 pounds. Do you know what your car weighs with you in it?
Are you racing with the headers open or closed?
As I asked in Post #29 what RPM are you shifting at?
Stan
Showing results 1 to 25 of 500
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