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Search took 0.08 seconds. Search: Posts Made By: Schurkey
Forum: Pontiac - Street 09-15-2024, 05:04 PM
Replies: 44
Views: 1,377
Posted By Schurkey
Chuckie, and your second reply is closer to the...

Chuckie, and your second reply is closer to the truth. There are TWO sources of pressure in the cooling system:
1. Static pressure set by the rad cap, and
2. Dynamic pressure created by the...
Forum: Pontiac - Street 09-15-2024, 05:27 AM
Replies: 44
Views: 1,377
Posted By Schurkey
None of the product shown on the home-page has a...

None of the product shown on the home-page has a way to bypass air through the shroud when the fans are off, and the vehicle is moving fast enough to create a pressure differential between the front...
Forum: Pontiac - Street 09-15-2024, 02:30 AM
Replies: 28
Views: 1,442
Posted By Schurkey
I remember seeing advertisements in auto-repair...

I remember seeing advertisements in auto-repair trade magazines--Motor, for example. Way back in the 1980s they were advertising that some HEI modules had no variable dwell, be sure to buy "ours"...
Forum: Pontiac - Street 09-07-2024, 04:49 PM
Replies: 22
Views: 1,121
Posted By Schurkey
Given any choice, I will drop the rag joint in...

Given any choice, I will drop the rag joint in the recycle bin, and use a U-jointed shaft instead.

This is a VERY common upgrade on GMT400-series vehicles, for example '88 to 94 pickups....
Forum: Pontiac - Street 08-23-2024, 11:57 PM
Replies: 17
Views: 915
Posted By Schurkey
I may be wrong. I'm not an expert in Pontiac...

I may be wrong. I'm not an expert in Pontiac axle options, and I'm too lazy to dig out my Chevy references.

I'd expect that by '73 and perhaps before, the 8.5" ten-bolt would have been the...
Forum: Pontiac - Street 08-16-2024, 05:40 PM
Replies: 19
Views: 1,053
Posted By Schurkey
In the photo--Did you put the O-ring back on the...

In the photo--Did you put the O-ring back on the valve stem after removing the retainer ?

The only way that those O-rings seal is when they're put in the valve stem groove AFTER the...
Forum: Pontiac - Street 08-16-2024, 05:27 PM
Replies: 12
Views: 554
Posted By Schurkey
Leaving enough rope hanging out of the spark plug...

Leaving enough rope hanging out of the spark plug hole that you can pull on to remove the rest of the rope. Guess what happens when someone feeds ALL the rope into the cylinder.


Near TDC...
Forum: Pontiac - Street 08-12-2024, 05:41 PM
Replies: 10
Views: 596
Posted By Schurkey
Heat-shielding on the pressure side of the pump...

Heat-shielding on the pressure side of the pump is unlikely to hurt. It's also unlikely to help, but what the heck.

"Vapor lock" happens IN the fuel pump, or in the fuel tubing on the suction...
Forum: Pontiac - Street 08-07-2024, 05:01 PM
Replies: 40
Views: 2,086
Posted By Schurkey
Ideally, a Heli-Coil starts below flush, so the...

Ideally, a Heli-Coil starts below flush, so the top coil isn't pulled up and out of the casting when torqued.
Forum: Pontiac - Street 08-05-2024, 07:03 PM
Replies: 19
Views: 865
Posted By Schurkey
'75 Monte Carlo 10-bolt axle showing A-body...

'75 Monte Carlo 10-bolt axle showing A-body control arm and shock mountings.
Forum: Pontiac - Street 08-04-2024, 08:01 PM
Replies: 65
Views: 3,373
Posted By Schurkey
I haven't dicked with points in thirty-plus...

I haven't dicked with points in thirty-plus years. I'm amazed that they're getting good press here. I was DONE with points when the HEIs showed-up in the Treasure Yards.

HEI is THE most-reliable...
Forum: Pontiac - Street 07-31-2024, 04:36 PM
Replies: 14
Views: 496
Posted By Schurkey
The two transmissions I have direct involvement...

The two transmissions I have direct involvement with, that leak after they've been parked but don't leak when driven, both had the SAME problem.

Failed O-ring on the modulator valve.

One was...
Forum: Pontiac - Street 07-27-2024, 05:39 PM
Replies: 11
Views: 1,255
Posted By Schurkey
Just tried it. Seems to be working.

Just tried it. Seems to be working.
Forum: Pontiac - Street 07-27-2024, 05:31 PM
Replies: 43
Views: 54,298
Posted By Schurkey
WHY are you using 20W-50 motor oil? Change...

WHY are you using 20W-50 motor oil?

Change nothing except the oil. See what happens.

If you think you need a "zinc additive" you're selecting the wrong oil.
Forum: Pontiac - Street 07-26-2024, 04:46 AM
Replies: 20
Views: 5,989
Posted By Schurkey
"I" would want a clutch and fan system. ...

"I" would want a clutch and fan system.


Non-thermal clutches are junk sold to people who are too cheap to buy a REAL fan clutch. Short service life, never really engage.
Forum: Pontiac - Street 07-23-2024, 06:01 AM
Replies: 62
Views: 3,117
Posted By Schurkey
In general, silicon is from poor air...

In general, silicon is from poor air filtering--dust/dirt/sand. I'm not saying there can't be exceptions, but that's the first place I'd be investigating.

ESPECIALLY if you've got an oiled-gauze...
Forum: Pontiac - Street 07-22-2024, 12:01 AM
Replies: 62
Views: 3,117
Posted By Schurkey
https://www.speednik.com/wp-content/blogs.dir/1/fi...

https://www.speednik.com/wp-content/blogs.dir/1/files/2016/03/2016-03-21_19-21-19.png
...
Forum: Pontiac - Street 07-13-2024, 08:03 PM
Replies: 4
Views: 432
Posted By Schurkey
Rope seals have characteristics that make them...

Rope seals have characteristics that make them "just right" for certain applications. Unfortunately, those advantages are not of use in an automotive crankshaft seal, except one.

1. They're...
Forum: Pontiac - Street 07-13-2024, 03:11 AM
Replies: 12
Views: 765
Posted By Schurkey
Or just don't bother priming the oiling system at...

Or just don't bother priming the oiling system at all.

"Priming" is not needed. GM built millions of engines without priming them. It's more ritual than useful. And even if you do "prime" the...
Forum: Pontiac - Street 07-13-2024, 01:03 AM
Replies: 41
Oil
Views: 2,520
Posted By Schurkey
If you think you need an oil additive on a...

If you think you need an oil additive on a regular basis, you're buying the wrong oil. Or you're just wrong about needing additives.


EOS was intended to be a temporary solution for new engines,...
Forum: Pontiac - Street 07-01-2024, 02:10 AM
Replies: 8
Views: 465
Posted By Schurkey
Is there a closed PCV system on this engine? ...

Is there a closed PCV system on this engine?

In other words, that hose isn't a crude attempt at a road-draft tube...right?
Forum: Pontiac - Street 06-18-2024, 02:38 AM
Replies: 18
Views: 1,022
Posted By Schurkey
Not a "vacuum module". It is a vacuum modulator....

Not a "vacuum module". It is a vacuum modulator.

The modulator controls the shift firmness, and to some extent the rpm needed for the shift points.

If the trans has problems that don't involve...
Forum: Pontiac - Street 06-13-2024, 03:50 AM
Replies: 17
Views: 1,219
Posted By Schurkey
Your battery-to-starter cable is 8-gauge? Not 4-...

Your battery-to-starter cable is 8-gauge? Not 4- or maybe 2-gauge?



There's at least two ways. The popular way--posted on "famous electrical guy" web-site, will work...but he's screwed-up the...
Forum: Pontiac - Street 06-06-2024, 03:37 AM
Replies: 19
Views: 1,904
Posted By Schurkey
What intake manifold are you using? If it's the...

What intake manifold are you using? If it's the stock '68 Pontiac manifold, does it have the open exhaust gas passage under the front of the carburetor? Do you have the special HIGH TEMPERATURE...
Forum: Pontiac - Street 06-04-2024, 02:17 PM
Replies: 20
Views: 1,726
Posted By Schurkey
You want a load-leveler? Come and get mine. It...

You want a load-leveler? Come and get mine. It was included with a used engine hoist I bought. I've never used it.

Load-levelers are a waste of vertical height, and the cheap junk engine hoists...
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