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Showing results 1 to 25 of 34
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Posts Made By:
70GS455
Forum:
70-73 Firebird & TA TECH
05-03-2024, 09:20 PM
Replies:
23
Gauge Cluster Restoration
Views:
1,467
Posted By
70GS455
My conversion will allow your tach to operate...
My conversion will allow your tach to operate with only one wire and will be compatible with points, HEI, MSD box with the dedicated tach wire, or any points conversion ignition that is not multi...
Forum:
70-73 Firebird & TA TECH
05-01-2024, 09:59 PM
Replies:
23
Gauge Cluster Restoration
Views:
1,467
Posted By
70GS455
Depending on whose circuitry is inside the tach,...
Depending on whose circuitry is inside the tach, an HEI will work, it's just the voltage stresses are higher and the circuit components need to be selected to handle it properly. An MSD box is a...
Forum:
Pontiac - Street
04-16-2024, 05:21 PM
Replies:
55
1000+ cfm from a Qjet
Views:
4,016
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:
Exhaust TECH
03-22-2024, 09:55 PM
Replies:
8
Turbo muffler internal design
Views:
1,539
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 - Race
01-31-2024, 03:50 PM
Replies:
13
Engine 2 Dyno w Custom 12-1 Crank Trigger, Finally Done Correctly
Views:
984
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
11-05-2023, 09:27 PM
Replies:
12
Yep, another cam degree question
Views:
748
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
10-28-2023, 09:01 PM
Replies:
62
What air cleaner ???
Views:
4,659
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
09-06-2023, 12:44 PM
Replies:
80
Coolant ratio
Views:
4,598
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
06-30-2023, 05:48 PM
Replies:
121
Comp Cam now a Bullet
Views:
4,911
Posted By
70GS455
The "formula" is called "major intensity" ...
The "formula" is called "major intensity"
Sent from my SM-S901U using Tapatalk
Forum:
Pontiac - Street
04-12-2023, 04:12 PM
Replies:
18
Engine temp -- too high?
Views:
1,673
Posted By
70GS455
If you have a 210 deg thermostat then everything...
If you have a 210 deg thermostat then everything is fine. If you have a t stat rated at 160 then there is a cooling capacity issue
Sent from my SM-T817V using Tapatalk
Forum:
Pontiac - Street
03-22-2023, 09:59 PM
Replies:
26
Vacuum advance
Views:
2,352
Posted By
70GS455
You know when you're at WOT the vac advance goes...
You know when you're at WOT the vac advance goes away, leaving you with just mechanical advance. So in that case, it's just like not having it
Sent from my SM-S901U using Tapatalk
Forum:
Heating & Cooling TECH
12-13-2022, 06:31 PM
Replies:
24
Cool weather engine temp
Views:
2,762
Posted By
70GS455
Sounds like your thermostat is faulty, staying...
Sounds like your thermostat is faulty, staying partially open when it should be closed while the coolant is under the set point. Not a hard task to replace one but won't really cause any problems,...
Forum:
Pontiac - Street
06-07-2022, 11:02 PM
Replies:
33
Carter thermoquads (TQ)
Views:
3,332
Posted By
70GS455
Low end nanners were not that wonderful. I have...
Low end nanners were not that wonderful. I have not driven it, only dyno time. But idle was the worst of 3 carbs, mid range was poor, and it wouldn't roll into the start of the test (3200 rpm) very...
Forum:
Pontiac - Street
05-05-2022, 05:16 PM
Replies:
31
The Great Flywheel Weight Debate!
Views:
3,556
Posted By
70GS455
It's close enough it should be ok. Where it...
It's close enough it should be ok. Where it matters most is racing at the strip with slicks or drag radials. On the street, it should be fine.
Sent from my SM-T817V using Tapatalk
Forum:
Pontiac - Street
05-04-2022, 04:02 PM
Replies:
31
The Great Flywheel Weight Debate!
Views:
3,556
Posted By
70GS455
If you decide on an aluminum flywheel, make sure...
If you decide on an aluminum flywheel, make sure you have at least 10:1 SLR (starting line ratio) which is rear gear times first gear ratio
Sent from my SM-T817V using Tapatalk
Forum:
Pontiac - Street
03-28-2022, 05:06 PM
Replies:
27
Rally Gauge Conversion and Gauge Accuracy
Views:
3,033
Posted By
70GS455
I repair tachometers and calibrate gauges as a...
I repair tachometers and calibrate gauges as a side. IMO, the best senders I like to use are NAPA for oil pressure and Lectric Limited for water temp. There is a good informational page about senders...
Forum:
Pontiac - Street
03-03-2022, 12:25 PM
Replies:
4
how to test
Views:
649
Posted By
70GS455
Get a large pot of water and heat it on the...
Get a large pot of water and heat it on the stove. Use either a 12v power supply or a battery to power the gauges. Hook up the sender to the gauge, ground both the sender and the gauge to the 12v...
Forum:
Pontiac - Street
02-17-2022, 08:14 PM
Replies:
34
Engine paint on new parts?
Views:
5,605
Posted By
70GS455
Same. Mine looks almost stock, which is the...
Same. Mine looks almost stock, which is the desired effect
Sent from my SM-T817V using Tapatalk
Forum:
Pontiac - Street
02-08-2022, 12:04 AM
Replies:
37
Sooo, who is the go-to q-jet guru these days?
Views:
4,841
Posted By
70GS455
I sent mine to Ken at Everyday Performance for a...
I sent mine to Ken at Everyday Performance for a level 2 build. Did 586 hp and 603 ft lbs on my engine. Only 9 hp less than a Holley 950 HP Ultra. Flawless startup, midrange and idle. It was also...
Forum:
Heating & Cooling TECH
08-27-2021, 03:16 PM
Replies:
7
Now I understand 65 GTO's run compressors full time; anybody try POA Valve "Update"?
Views:
1,819
Posted By
70GS455
Correct on the wiring. The superheat im...
Correct on the wiring.
The superheat im talking about is the temperature rise across the evaporator, you adjust the TVX for flow to put it in the optimal range for conditions, and to prevent...
Forum:
Heating & Cooling TECH
08-27-2021, 11:47 AM
Replies:
7
Now I understand 65 GTO's run compressors full time; anybody try POA Valve "Update"?
Views:
1,819
Posted By
70GS455
Our A6 compressor and specifically the clutch was...
Our A6 compressor and specifically the clutch was never designed to cycle like the modern compressors
Sent from my SM-T817V using Tapatalk
Forum:
Interior TECH
08-24-2021, 11:57 AM
Replies:
30
High bolster seats
Views:
5,709
Posted By
70GS455
While not the high bolsters like pictured, i...
While not the high bolsters like pictured, i wanted to use the stock seat covers but added extra side bolster springs. In the pics, the blue tape shows the springs I added, 4 to the upper frame and 4...
Forum:
Pontiac - Street
08-13-2021, 11:31 AM
Replies:
36
Total mechanical advance question
Views:
7,080
Posted By
70GS455
I'm in the camp of the best timing will be what...
I'm in the camp of the best timing will be what the engine wants. We started off on the dyno with the "all in" by 2800 or whatever but quickly found out through testing that this was not optimal. We...
Forum:
Heating & Cooling TECH
07-28-2021, 04:03 PM
Replies:
22
Thermostats - Rated Temperature and Fully-Open Temperature
Views:
13,472
Posted By
70GS455
Actually it does hold up. At that cold of a day,...
Actually it does hold up. At that cold of a day, you have almost infinite cooling capacity. It should be NO different on a hot day if the cooling system is adequate or sufficient. Granted nothing is...
Forum:
Heating & Cooling TECH
07-26-2021, 03:50 PM
Replies:
22
Thermostats - Rated Temperature and Fully-Open Temperature
Views:
13,472
Posted By
70GS455
None of that really matters. The tstat rating is...
None of that really matters. The tstat rating is the set-point or regulation point. It is the system operating design point. It is the temperature at which the cooling system water is designed to...
Showing results 1 to 25 of 34
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