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Forum: Heating & Cooling TECH 09-15-2020, 04:28 PM
Replies: 17
Views: 3,409
Posted By lust4speed
Exactly what I found. More power to the people...

Exactly what I found. More power to the people that got the tube to work, but regardless of my adding or subtracting Freon, the system remained marginal. You did remind me that as the pressure...
Forum: Pontiac - Street 08-25-2020, 05:05 PM
Replies: 49
Views: 6,358
Posted By RocktimusPryme
Certainly seems legit. I have a cold case, a...

Certainly seems legit.

I have a cold case, a 19.5" factory fan with a shroud. Mine is dead on the 180* thermostat when moving. But I went though a slow drive through the other day, ended up at...
Forum: Pontiac - Street 08-25-2020, 04:03 PM
Replies: 49
Views: 6,358
Posted By Steve C.
Not Pontiac specific but some on line...

Not Pontiac specific but some on line conversations suggest a mechanical fan with a good shroud can pull 4 or 5000 CFM easy.

Interesting read on post #4 here.....
...
Forum: Heating & Cooling TECH 08-24-2020, 09:42 PM
Replies: 17
Views: 3,409
Posted By lust4speed
I absolutely hated the POA replacement system...

I absolutely hated the POA replacement system with the pressure switch and went back to a POA valve. We fought and did everything we could think of but the system would cycle with vent temps getting...
Forum: Pontiac - Street 08-23-2020, 07:37 PM
Replies: 57
Views: 7,747
Posted By i82much
what’s the difference between using a short...

what’s the difference between using a short travel lifter vs adding preload to a normal lifter?
Forum: Pontiac - Street 07-03-2020, 04:59 PM
Replies: 21
Views: 2,984
Posted By ftwmlp
I thought I remembered you suspected your current...

I thought I remembered you suspected your current wheels were out of round. Good Luck with the repainting. If you find someone in the DFW area that does you a good job, I would appreciate a heads...
Forum: Pontiac - Street 04-29-2020, 11:05 AM
Replies: 14
Views: 3,879
Posted By Formulas
2nd gen Bird here but I ran 650# Guldstrand...

2nd gen Bird here but I ran 650# Guldstrand Engineering front coils great at 120mph plus but if your looking for the least bit of comfort eeehhh wrong answer

As mentioned stock birds are in the...
Forum: Pontiac - Street 04-29-2020, 10:55 AM
Replies: 14
Views: 3,879
Posted By JLMounce
I'm kind of odd-man out on this, but I do NOT...

I'm kind of odd-man out on this, but I do NOT like the front coil-over setups. At least not what is being offered as a coil-over setup. What is actually being offered is a large body shock with a...
Forum: Pontiac - Street 04-29-2020, 09:24 AM
Replies: 14
Views: 3,879
Posted By AG
I have 450#/in springs on the front of my '65...

I have 450#/in springs on the front of my '65 LeMans and they are too stiff.
Forum: Pontiac - Street 04-26-2020, 02:43 PM
Replies: 162
Views: 21,879
Posted By jwcfbd
I put Global West with coil overs on my 67...

I put Global West with coil overs on my 67 Firebird and have been very happy with them.
Forum: Pontiac - Street 04-15-2020, 01:33 PM
Replies: 4
Views: 1,233
Posted By DogMeister
I put one in my '67 a few years ago. Didn't like...

I put one in my '67 a few years ago. Didn't like it at first. I was used to whipping the car around with one finger with the old box, whatever it was. The 600 takes more effort, but is very precise...
Forum: Pontiac - Street 04-11-2020, 09:38 AM
Replies: 97
Views: 8,026
Posted By Formulajones
I've used those in a few builds with 80 psi pumps...

I've used those in a few builds with 80 psi pumps and no issues to date. Actually I've been using 80 psi pumps in Pontiacs for decades, with rollers and flat tappets and never had any distributor...
Forum: Pontiac - Street 04-07-2020, 07:17 AM
Replies: 4
Views: 1,233
Posted By Tim john
I took my original 69 power steering gear box to...

I took my original 69 power steering gear box to "Turn One" in Saginaw, Michigan and had them rebuild/re-valve the internals for the 2-1/4 turns lock to lock. I also went with the DSE (Detroit Speed)...
Forum: Pontiac - Street 02-26-2020, 04:26 PM
Replies: 107
Views: 14,691
Posted By JLMounce
I've been following this thread, but haven't...

I've been following this thread, but haven't chimed in. My engine acts basically the same. At cold idle, it's quiet, as the engine heats up, the valvetrain gets noisy.

I have the Lunati branded...
Forum: Pontiac - Street 02-26-2020, 01:36 PM
Replies: 107
Views: 14,691
Posted By Formulajones
Yeah the slight noise one might make doesn't...

Yeah the slight noise one might make doesn't really affect anything as far as how the engine will run. It's just noise that drives some people nuts I guess.

The 455 I just built uses the short...
Forum: Pontiac - Street 02-26-2020, 01:29 PM
Replies: 107
Views: 14,691
Posted By Formulajones
Yep

Yep
Forum: Pontiac - Street 02-26-2020, 01:26 PM
Replies: 107
Views: 14,691
Posted By 65sport
Very good info. I always forget to factor in the...

Very good info. I always forget to factor in the rocker ratio.
Forum: Pontiac - Street 02-26-2020, 01:26 PM
Replies: 107
Views: 14,691
Posted By RocktimusPryme
Mine are also comp and also noisy. It almost...

Mine are also comp and also noisy. It almost sounds like LS piston slap. Or hell maybe it is piston slap and Ive been blaming the lifters. I thought maybe mine were bleeding down, but it was...
Forum: Pontiac - Street 02-24-2020, 02:41 AM
Replies: 107
Views: 14,691
Posted By NeighborsComplaint
Shorter pushrods would be correct for the...

Shorter pushrods would be correct for the condition noted. A shorter pushrod tips valve side of the rocker arm up and moves the contact point further away from the rocker arm stud. Longer pushrods...
Forum: Pontiac - Street 02-23-2020, 11:26 AM
Replies: 107
Views: 14,691
Posted By Formulajones
So that leads me to believe just as you have...

So that leads me to believe just as you have found, that there is something to be said with these lifters and their internal clearances. Quality control just isn't very consistent among some of...
Forum: Pontiac - Street 02-23-2020, 10:51 AM
Replies: 107
Views: 14,691
Posted By tom s
Pretty sure those are Johnsons.Comp went from...

Pretty sure those are Johnsons.Comp went from them I guess they were having some QC issues also.I have a set in a running engine also.Tom
Forum: Pontiac - Street 02-23-2020, 10:30 AM
Replies: 107
Views: 14,691
Posted By Formulajones
That's interesting, and the same conclusion that...

That's interesting, and the same conclusion that Paul has come to. He prefers Johnsons.

If the older 857 Comps are Johnsons, then that's what the shorter lifter would be in that picture I posted...
Forum: Pontiac - Street 02-23-2020, 09:34 AM
Replies: 107
Views: 14,691
Posted By Formulas
Actual wear mark on the valve tip post #25 I...

Actual wear mark on the valve tip post #25
I would be more comfortable if the wear mark was closer to center

I know correct pushrod length is shortest sweep but when you get that sweep where is...
Forum: Pontiac - Street 02-23-2020, 08:05 AM
Replies: 107
Views: 14,691
Posted By Will
He posted a picture with a pretty good pattern...

He posted a picture with a pretty good pattern and one with a poor pattern. Said the only difference was pushrod length.

Am I missing something?
Forum: Pontiac - Street 02-22-2020, 09:14 PM
Replies: 107
Views: 14,691
Posted By Formulas
I not to long ago tried to fit comp cams gold...

I not to long ago tried to fit comp cams gold 1.65 roller rockers on a set of Edelbrock heads and no matter what length I set my adjustable pushrod at I could not get the roller comfortably off the...
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