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Forum: Pontiac - Street Today, 05:56 PM
Replies: 50
Views: 2,557
Posted By 70GS455
Interestingly enough, Vizard's personal car that...

Interestingly enough, Vizard's personal car that he used for testing was a TA
Forum: Pontiac - Street 04-21-2024, 10:22 PM
Replies: 50
Views: 2,557
Posted By 70GS455
With the large amount of vacuum being pulled at...

With the large amount of vacuum being pulled at the top end with the Qjet in the Dyno video, I don't believe it was optimized. My Qjet had 1.9" of vac, at 586 HP, the air door was set to 1.25"
Forum: Pontiac - Street 04-19-2024, 02:17 PM
Replies: 50
Views: 2,557
Posted By 70GS455
The mention of bronze filters was in the context...

The mention of bronze filters was in the context of: if you should happen to have one then it should be replaced with a paper one.
Forum: Pontiac - Street 04-18-2024, 10:00 PM
Replies: 50
Views: 2,557
Posted By 70GS455
The book has a issue date of Jan 1997 if that...

The book has a issue date of Jan 1997 if that helps.

I did not see any conclusive tests of the fully modded carb. He alluded to a Dyno test of a partially modded carb on his Trans Am but did not...
Forum: Pontiac - Street 04-16-2024, 05:21 PM
Replies: 50
Views: 2,557
Posted By 70GS455
1000+ cfm from a Qjet

Ran across this article from David Vizard's "How to Build Horsepower" Vol 2. They discuss modifications on a Quadrajet to get to 1090 CFM, as measured by a flow bench.
Forum: Pontiac - Street 04-02-2024, 10:53 PM
Replies: 3
Views: 387
Posted By 70GS455
I also had Raptor liner installed underneath....

I also had Raptor liner installed underneath. Quiet plus protects from rock chips

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Forum: Exhaust TECH 03-22-2024, 09:55 PM
Replies: 8
Views: 1,349
Posted By 70GS455
There are 2 case sizes for the Dynomax Super...

There are 2 case sizes for the Dynomax Super turbos. The larger case (5.5 x 11") with 3" inlet and outlet do not neck down internally. The smaller case (4.25 x 9.75) do neck down for the 3". I...
Forum: Pontiac - Street 02-07-2024, 05:59 PM
Replies: 9
Views: 475
Posted By 70GS455
From the table, it's 224/226 deg at .050" ...

From the table, it's 224/226 deg at .050"

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Forum: Pontiac - Race 01-31-2024, 03:50 PM
Replies: 13
Views: 865
Posted By 70GS455
Looks more like an engine Dyno than a chassis...

Looks more like an engine Dyno than a chassis dyno

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Forum: Pontiac - Street 01-23-2024, 11:27 PM
Replies: 19
Views: 1,326
Posted By 70GS455
And when the depressions are at some other...

And when the depressions are at some other non-standard value, there is a formula: new_flow = old_flow * sqrt( new_ depression/old_depression)


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Forum: Heating & Cooling TECH 12-19-2023, 09:56 PM
Replies: 2
Views: 3,075
Posted By 70GS455
Wow. 70 amps current draw at steady state. It...

Wow. 70 amps current draw at steady state. It must really move some air. A rough rule of thumb for Spal and Derale fans, based on their published specs (which are most believable) is that the fan...
Forum: Pontiac - Street 11-05-2023, 09:27 PM
Replies: 12
Views: 725
Posted By 70GS455
If that's a voodoo grind, I believe they check...

If that's a voodoo grind, I believe they check their advertised duration at some non-standard height. I seem to recall Harold saying something like it had to do with marketing

Sent from my...
Forum: Pontiac - Street 10-29-2023, 09:37 PM
Replies: 12
Views: 725
Posted By 70GS455
I ran into this issue also. The cam was...

I ran into this issue also. The cam was non-symmetric. After calls to Bullet, it was discovered that the program they use to print the @0.050" events on the card assumed the profile was symmetric,...
Forum: Pontiac - Street 10-28-2023, 09:01 PM
Replies: 62
Views: 4,199
Posted By 70GS455
I would not recommend using that air cleaner...

I would not recommend using that air cleaner base. We did Dyno testing with one just like that on a QJ and it lost a surprising amount of power


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Forum: Pontiac - Street 10-23-2023, 03:49 PM
Replies: 1
Views: 345
Posted By 70GS455
Does anyone own the 463 with a 1000 cfm Thermoquad?

I heard it made good numbers on the dyno and was curious about the combo

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Forum: Pontiac - Street 10-09-2023, 09:52 AM
Replies: 27
Views: 1,870
Posted By 70GS455
According to the guys on the Engine Power show,...

According to the guys on the Engine Power show, current OEM procedures balance engines to about 0.25 in-oz and the show strives to balance at 0.125 in-oz in house

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Forum: Pontiac - Street 09-26-2023, 04:18 PM
Replies: 38
Views: 1,830
Posted By 70GS455
Need to figure in 6 lbs/gal, so 41.6 gph ...

Need to figure in 6 lbs/gal, so 41.6 gph

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Forum: Pontiac - Street 09-21-2023, 11:45 PM
Replies: 83
Views: 5,666
Posted By 70GS455
What is your cranking compression? Sent from...

What is your cranking compression?

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Forum: Pontiac - Street 09-06-2023, 12:57 PM
Replies: 80
Views: 4,225
Posted By 70GS455
I'm just saying there probably is a radiator that...

I'm just saying there probably is a radiator that should keep temps under control on a hot day in Phoenix with the AC on. I don't live there so I don't know exactly which one

Sent from my SM-S901U...
Forum: Pontiac - Street 09-06-2023, 12:44 PM
Replies: 80
Views: 4,225
Posted By 70GS455
With a large enough radiator, or one that is...

With a large enough radiator, or one that is super efficient and has an overabundance of cooling capacity, I beg to differ.

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Forum: Pontiac - Street 09-05-2023, 04:28 PM
Replies: 80
Views: 4,225
Posted By 70GS455
Yes, and they ran within a few degrees of 195,...

Yes, and they ran within a few degrees of 195, prob 200 or so. If someone installs a 160 or 180 t-stat, water should run within a few degrees of that
Forum: Pontiac - Street 08-03-2023, 04:20 PM
Replies: 27
Views: 1,785
Posted By 70GS455
What is your distributor end play? Also...

What is your distributor end play?

Also which Advance springs? Light ones will do what you are describing

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Forum: Pontiac - Street 07-17-2023, 09:00 PM
Replies: 33
Views: 3,224
Posted By 70GS455
I was able to Dyno test a "poor man's" comp...

I was able to Dyno test a "poor man's" comp series 1000. It was a production 850 that had the outer booster ring and the bowl venturi both removed, just like the CS1000. Did real good on top end but...
Forum: Pontiac - Street 07-11-2023, 11:26 AM
Replies: 33
Views: 3,224
Posted By 70GS455
As carbking mentioned the choke pieces are unique...

As carbking mentioned the choke pieces are unique for the comp series; most of the hardware is moved out of the airstream, vs the production ones with hardware that is in the airstream. Wonder if...
Forum: Pontiac - Street 07-11-2023, 11:05 AM
Replies: 57
Views: 4,697
Posted By 70GS455
B9 will work, it is a little longer for more...

B9 will work, it is a little longer for more filtration area. But if you have headers, it may interfere

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