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Search took 0.05 seconds. Search: Posts Made By: 70GS455
Forum: Pontiac - Street 09-05-2024, 11:15 PM
Replies: 47
Views: 2,136
Posted By 70GS455
Find a 7 blade fan, will move more air due to...

Find a 7 blade fan, will move more air due to more area to grab air.

You didn't mention which thermostat, I'm assuming it's 180 deg F. In regards to the 215 deg F operating temp, if my home...
Forum: Electrical Tech 09-05-2024, 11:05 PM
Replies: 6
Views: 323
Posted By 70GS455
It's also called cork tape

It's also called cork tape
Forum: Pontiac - Street 07-26-2024, 10:42 PM
Replies: 82
Views: 5,794
Posted By 70GS455
Yeah, you want the trans with the offset shifter...

Yeah, you want the trans with the offset shifter tower, not the dog leg adapter
Forum: Heating & Cooling TECH 07-26-2024, 10:39 PM
Replies: 13
Views: 675
Posted By 70GS455
With the 2797 you'll want to adjust the fan...

With the 2797 you'll want to adjust the fan engage temperature
Forum: Heating & Cooling TECH 07-09-2024, 10:56 PM
Replies: 6
Views: 533
Posted By 70GS455
Loud means lots of airflow. Hopefully you don't...

Loud means lots of airflow. Hopefully you don't have any cooling issues
Forum: 77-81 Firebird & Trans Am TECH 05-11-2024, 07:03 PM
Replies: 11
Views: 1,032
Posted By 70GS455
Aftermarket tach?

Aftermarket tach?
Forum: 70-72 GTO Tempest & LeMans TECH 05-04-2024, 10:31 PM
Replies: 1
Views: 390
Posted By 70GS455
Yes, it will work fine

Yes, it will work fine
Forum: Electrical Tech 05-04-2024, 06:44 AM
Replies: 18
Views: 1,243
Posted By 70GS455
admin, please delete Sent from my SM-S901U...

admin, please delete

Sent from my SM-S901U using Tapatalk
Forum: 70-73 Firebird & TA TECH 05-03-2024, 09:20 PM
Replies: 28
Views: 2,957
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: Electrical Tech 05-03-2024, 09:03 PM
Replies: 18
Views: 1,243
Posted By 70GS455
The black wire marked resistance is the resistor...

The black wire marked resistance is the resistor wire. You can check with an ohmmeter. If so, pull the terminal out of the bulkhead connector. Splice or solder the pink wire to this terminal and put...
Forum: 70-73 Firebird & TA TECH 05-02-2024, 10:30 PM
Replies: 28
Views: 2,957
Posted By 70GS455
One would be myself, and any others who repair...

One would be myself, and any others who repair tachometers. My own proprietary circuit design qualifies, as does any other's design that can accept a wide range of dwell.
Forum: 70-73 Firebird & TA TECH 05-01-2024, 09:59 PM
Replies: 28
Views: 2,957
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: 70-73 Firebird & TA TECH 05-01-2024, 09:54 PM
Replies: 28
Views: 2,957
Posted By 70GS455
If it's the MSD 6AL box and your using the...

If it's the MSD 6AL box and your using the dedicated grey tach wire, the issue could be the tach. That signal is a 20% duty cycle square wave, which means it's 80% dwell, or 36 deg dwell. The factory...
Forum: Pontiac - Street 04-25-2024, 07:38 PM
Replies: 20
Views: 1,922
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: 20
Views: 1,922
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: 55
Views: 8,428
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: 55
Views: 8,428
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: 55
Views: 8,428
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: 55
Views: 8,428
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: 55
Views: 8,428
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: 609
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
Views: 2,620
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: 666
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
Views: 1,425
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
Views: 1,765
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
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