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Posts Made By:
70GS455
Forum:
Pontiac - Street
04-25-2024, 07:38 PM
Replies:
17
.005 or .010 shorter cam chain needed?
Views:
616
Posted By
70GS455
Mine felt about right with about 5/16" of total...
Mine felt about right with about 5/16" of total slack
Forum:
Pontiac - Street
04-25-2024, 07:34 PM
Replies:
17
.005 or .010 shorter cam chain needed?
Views:
616
Posted By
70GS455
Might not want the chain to be too tight. Here's...
Might not want the chain to be too tight. Here's a test of one that lost 11 HP:
https://youtu.be/xk12lbg6SNI?si=ey5BCJLj-iX0Sx08
Forum:
Pontiac - Street
04-24-2024, 05:56 PM
Replies:
50
1000+ cfm from a Qjet
Views:
3,019
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
1000+ cfm from a Qjet
Views:
3,019
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
1000+ cfm from a Qjet
Views:
3,019
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
1000+ cfm from a Qjet
Views:
3,019
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
1000+ cfm from a Qjet
Views:
3,019
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
Noise
Views:
391
Posted By
70GS455
I also had Raptor liner installed underneath....
I also had Raptor liner installed underneath. Quiet plus protects from rock chips
Sent from my SM-S901U using Tapatalk
Forum:
Exhaust TECH
03-22-2024, 09:55 PM
Replies:
8
Turbo muffler internal design
Views:
1,399
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
Old Cam Specs
Views:
493
Posted By
70GS455
From the table, it's 224/226 deg at .050" ...
From the table, it's 224/226 deg at .050"
Sent from my SM-S901U using Tapatalk
Forum:
Pontiac - Race
01-31-2024, 03:50 PM
Replies:
13
Engine 2 Dyno w Custom 12-1 Crank Trigger, Finally Done Correctly
Views:
896
Posted By
70GS455
Looks more like an engine Dyno than a chassis...
Looks more like an engine Dyno than a chassis dyno
Sent from my SM-S901U using Tapatalk
Forum:
Pontiac - Street
01-23-2024, 11:27 PM
Replies:
19
Handy chart
Views:
1,342
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)
Sent from my SM-S901U using Tapatalk
Forum:
Heating & Cooling TECH
12-19-2023, 09:56 PM
Replies:
2
The Ultimate Cooling Thread
Views:
3,113
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
Yep, another cam degree question
Views:
730
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
Yep, another cam degree question
Views:
730
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
What air cleaner ???
Views:
4,284
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
Sent from my SM-S901U using Tapatalk
Forum:
Pontiac - Street
10-23-2023, 03:49 PM
Replies:
1
Does anyone own the 463 with a 1000 cfm Thermoquad?
Views:
353
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
Sent from my SM-S901U using Tapatalk
Forum:
Pontiac - Street
10-09-2023, 09:52 AM
Replies:
27
Pontiac cast iron production.
Views:
1,890
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
Sent from my SM-S901U using...
Forum:
Pontiac - Street
09-26-2023, 04:18 PM
Replies:
38
Upgrade fuel feed line?
Views:
1,845
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
Sent from my SM-S901U using Tapatalk
Forum:
Pontiac - Street
09-21-2023, 11:45 PM
Replies:
83
11.4:1 455 need some help, i think
Views:
5,794
Posted By
70GS455
What is your cranking compression? Sent from...
What is your cranking compression?
Sent from my SM-S901U using Tapatalk
Forum:
Pontiac - Street
09-06-2023, 12:57 PM
Replies:
80
Coolant ratio
Views:
4,290
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
Coolant ratio
Views:
4,290
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.
Sent from my SM-S901U using Tapatalk
Forum:
Pontiac - Street
09-05-2023, 04:28 PM
Replies:
80
Coolant ratio
Views:
4,290
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
Bouncing timing/rpm at idle
Views:
1,812
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
Sent from my SM-S901U using Tapatalk
Forum:
Pontiac - Street
07-17-2023, 09:00 PM
Replies:
33
Carter thermoquads (TQ)
Views:
3,245
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...
Showing results 1 to 25 of 500
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