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Search took 0.76 seconds. Search: Posts Made By: JLMounce
Forum: Interior TECH 07-17-2026, 05:06 PM
Replies: 4
Views: 128
Posted By JLMounce
It may be possible to replace the lights in the...

It may be possible to replace the lights in the instrument panel without taking the dash panel out of the car. When doing this, you may want to continue to use halogen lights because they don't...
Forum: Heating & Cooling TECH 07-15-2026, 06:18 PM
Replies: 14
Views: 227
Posted By JLMounce
It's always a good idea to qualify these...

It's always a good idea to qualify these statements. It's not an apples to apples comparison. The 2nd Gen F-Body and later A bodies got big upgrades in cooling capacity from the factory.

The...
Forum: Suspension TECH 07-15-2026, 02:31 PM
Replies: 9
Views: 111
Posted By JLMounce
Related but unrelated, my wife's C6 GS is...

Related but unrelated, my wife's C6 GS is horrendous in it's turn radius. My Firebird easily bests it in this regard. But again, the only time you actually notice it is in parking lots.
Forum: Suspension TECH 07-14-2026, 05:53 PM
Replies: 9
Views: 111
Posted By JLMounce
Later first gen F-bodies relied on a positive...

Later first gen F-bodies relied on a positive stop from the steering arm that would contact the lower control arm. I believe all A-bodies had that same design where the stop was built into the...
Forum: 67-69 Firebird TECH 07-14-2026, 10:54 AM
Replies: 0
Views: 41
Posted By JLMounce
Frame Horn to Core Support Seals

Does anyone have pictures of these mounted on their car? Also, how are they mounted? Are they, stabled, glued, clipped?

Any information anybody could provide would be helpful, thanks!
Forum: Heating & Cooling TECH 07-13-2026, 08:32 PM
Replies: 26
Views: 314
Posted By JLMounce
Hah, don't tempt me!

Hah, don't tempt me!
Forum: 67-69 Firebird TECH 07-13-2026, 05:40 PM
Replies: 3
Views: 101
Posted By JLMounce
Yup, only time there is a driver/passenger...

Yup, only time there is a driver/passenger difference is if it's a mount like the mighty mount which has some extra structure on the driver side mount.

The engine in the Firebird is set back...
Forum: Heating & Cooling TECH 07-13-2026, 04:55 PM
Replies: 14
Views: 227
Posted By JLMounce
Important to note that most thermostats typically...

Important to note that most thermostats typically start to open at or just below their rated temp. That is the "minimum" temperature of the thermostat. So, depending on the thermostat and at what...
Forum: Heating & Cooling TECH 07-13-2026, 12:52 PM
Replies: 26
Views: 314
Posted By JLMounce
It's a bit of a pain because of where I have my...

It's a bit of a pain because of where I have my trans computer located, but yes I can monitor temperature. I don't know what it runs in 100 degree heat, but average temps I usually see if I'm...
Forum: Suspension TECH 07-13-2026, 12:48 PM
Replies: 11
Views: 216
Posted By JLMounce
I have never been able to successfully bench...

I have never been able to successfully bench bleed a master. As you state, it's messy, annoying and I always fight air in it regardless. I've tried the looped hose method as well as the method...
Forum: Heating & Cooling TECH 07-13-2026, 12:20 PM
Replies: 26
Views: 314
Posted By JLMounce
I have a large derale cooler (passive only) that...

I have a large derale cooler (passive only) that is mounted in front of the radiator. It likely has some type of an effect as it's heating air prior to entry to the radiator core in that area. But...
Forum: Heating & Cooling TECH 07-13-2026, 11:17 AM
Replies: 26
Views: 314
Posted By JLMounce
It is absolutely true that copper is a better...

It is absolutely true that copper is a better heat conductor than aluminum. That's not the whole story though.

On a brass/copper radiator, the copper fins have to be attached to the brass tubes. ...
Forum: Heating & Cooling TECH 07-10-2026, 10:59 PM
Replies: 26
Views: 314
Posted By JLMounce
Yeah, my setup since it's triggered by a FiTech...

Yeah, my setup since it's triggered by a FiTech 30001 is on/off. You can of course wire the brushless deals to behave that way, but you miss out on the whole PWM thing for ramping in voltage on an...
Forum: Heating & Cooling TECH 07-10-2026, 02:02 PM
Replies: 26
Views: 314
Posted By JLMounce
That's a big ass fan.

That's a big ass fan.
Forum: Heating & Cooling TECH 07-10-2026, 01:20 PM
Replies: 26
Views: 314
Posted By JLMounce
Pretty sure that's the C7Z06 fan. I believe it's...

Pretty sure that's the C7Z06 fan. I believe it's a 600 watt brushless fan. That's some pretty serious wattage.

The price was just too much at close to $500.00 per fan, but the FMG shroud does...
Forum: Pontiac - Street 07-10-2026, 11:00 AM
Replies: 17
Views: 478
Posted By JLMounce
HEI's work best with as much voltage as you can...

HEI's work best with as much voltage as you can throw at them. Which is why, in my opinion they should be run off a relay. If you run them by using a modified factory coil wire, the dash harness...
Forum: Heating & Cooling TECH 07-10-2026, 10:57 AM
Replies: 26
Views: 314
Posted By JLMounce
Could be the difference between unloaded and...

Could be the difference between unloaded and loaded testing. As FMG has pointed out thoroughly is that many people test these things inaccurately by just placing an anemometer right up against the...
Forum: Heating & Cooling TECH 07-09-2026, 11:23 AM
Replies: 26
Views: 314
Posted By JLMounce
Each fan is rated by Maradyne at 2135cfm. As...

Each fan is rated by Maradyne at 2135cfm. As tested by mike in a controlled manner, loaded with a radiator in front, they pull about 1500cfm each. I'm unsure what the loaded cfm of a mark 8 fan is....
Forum: Heating & Cooling TECH 07-09-2026, 09:45 AM
Replies: 26
Views: 314
Posted By JLMounce
Frontal area is a large consideration. There's a...

Frontal area is a large consideration. There's a reason the 2nd gen F-body went to an A-Body sized radiator. The brunt of the cooling efficiency happens in the first core of the radiator, so the...
Forum: Heating & Cooling TECH 07-08-2026, 09:18 PM
Replies: 26
Views: 314
Posted By JLMounce
Mine is actually the opposite. I haven't been...

Mine is actually the opposite. I haven't been able to hot-rod this engine enough to make the temperature rise.

It used to be the slower and lower RPM I drove at, the warmer it would run.

I...
Forum: Heating & Cooling TECH 07-08-2026, 06:07 PM
Replies: 26
Views: 314
Posted By JLMounce
Fast Monty Shroud

There's been a lot of cooling discussions here about shrouds, fans, radiators etc.

I decided recently I wanted to try one of Mike's shrouds after I started having some cooling issues with my...
Forum: Pontiac - Street 07-06-2026, 12:48 PM
Replies: 17
Views: 478
Posted By JLMounce
Yup, use a relay triggered by the coil + wire. ...

Yup, use a relay triggered by the coil + wire. That's what I did with the HEI that I had years ago, and still do for various electronic add-ons that need 12v while cranking. It also takes a good...
Forum: Pontiac - Street 07-02-2026, 03:21 PM
Replies: 10
Views: 509
Posted By JLMounce
For a given weight, drag and gearing, the amount...

For a given weight, drag and gearing, the amount of power to sustain driving costs roughly the same, regardless of how much power the engine itself makes.

If nothing else is changing and you...
Forum: Suspension TECH 07-02-2026, 10:35 AM
Replies: 1
Views: 89
Posted By JLMounce
Many steering boxes will come to you setup pretty...

Many steering boxes will come to you setup pretty tight and will tolerance in with some driving. It wouldn't necessarily concern my a huge amount if you couldn't turn the shafts by hand without any...
Forum: Pontiac - Boost 07-01-2026, 09:59 AM
Replies: 4
Views: 366
Posted By JLMounce
Starting at 1* per PSI is a good place to start. ...

Starting at 1* per PSI is a good place to start. Though your blow through carb with e85 may not necessitate early timing drops below a certain threshold. You've got a lot of IAT cooling in that...
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