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Forum: Pontiac - Street Yesterday, 06:52 PM
Replies: 36
Views: 810
Posted By Schurkey
Oldsmobile restricted their heater supply, so did...

Oldsmobile restricted their heater supply, so did Chevrolet.

No promises on Buick and Cadillac, but my guess is that all GM divisions restricted the heater core flow somehow. Either a small hole...
Forum: Pontiac - Street Yesterday, 11:40 AM
Replies: 11
Views: 317
Posted By Schurkey
Any transmission I open up, is going to be done...

Any transmission I open up, is going to be done with the aid of a ATSG "Techtran" manual, along with whatever D-I-Y/consumer-oriented book(s) I can lay my hands on.

The ATSG manuals are not...
Forum: Pontiac - Street 04-22-2024, 01:49 AM
Replies: 43
Views: 1,717
Posted By Schurkey
Yeah, GM kept that a complete secret. Who would...

Yeah, GM kept that a complete secret. Who would have ever guessed that there was a resistor bypass wire? Certainly not an outside company designing products to be used on GM products. (Moreover,...
Forum: Pontiac - Street 04-19-2024, 08:01 PM
Replies: 43
Views: 1,717
Posted By Schurkey
Hint: Mallory pushes a protection device that...

Hint: Mallory pushes a protection device that costs as much as the Unilite module.
https://www.summitracing.com/parts/maa-29371

I say the "protection" should have been built-into the module at...
Forum: Pontiac - Street 04-19-2024, 04:38 PM
Replies: 43
Views: 1,717
Posted By Schurkey
I haven't dicked with points for thirty years. I...

I haven't dicked with points for thirty years. I make sure that every vehicle I own has an electronic ignition; and there's none better than the good ol' GM Delco HEI in good usable condition. The...
Forum: Pontiac - Street 04-19-2024, 04:33 PM
Replies: 6
Views: 367
Posted By Schurkey
Totally depends on the geometry of the headers. ...

Totally depends on the geometry of the headers.

First Guess: Not likely due to the width of the trans bellhousing where the torque converter dust pan attaches.
Forum: Pontiac - Street 04-19-2024, 01:06 PM
Replies: 9
Views: 780
Posted By Schurkey
Could be.

Could be.
Forum: Pontiac - Street 04-19-2024, 09:58 AM
Replies: 9
Views: 780
Posted By Schurkey
Holdoff valve, safety switch, and proportioning...

Holdoff valve, safety switch, and proportioning valve moved into the Combination valve, which also became the distribution block.
Forum: Pontiac - Street 04-16-2024, 03:46 PM
Replies: 32
Views: 1,480
Posted By Schurkey
Photo shows "Made in USA". Good score. Is there...

Photo shows "Made in USA". Good score. Is there an anti-drainback valve, and if so, what color is it--black or orange? (or something else.)

Big discussion on another forum about...
Forum: Pontiac - Street 04-12-2024, 12:34 AM
Replies: 36
Views: 1,772
Posted By Schurkey
Without photos of the carb and chokestat, and...

Without photos of the carb and chokestat, and illustrations of the factory service procedures, I'm gonna go way out on a limb and say that the chokestat needs to be tightened (richer) and the choke...
Forum: Pontiac - Street 04-09-2024, 12:31 AM
Replies: 32
Views: 1,480
Posted By Schurkey
Wix is now owned by Mann + Hummel. Wix is not...

Wix is now owned by Mann + Hummel. Wix is not the company it used to be before the take-over. Stuff is getting offshored to cut costs and boost profits. Not everything...yet.

Purolator is also...
Forum: Pontiac - Street 04-02-2024, 01:14 AM
Replies: 20
Views: 1,177
Posted By Schurkey
If you readjust the choke pulloff, you also need...

If you readjust the choke pulloff, you also need to verify and perhaps readjust the linkage down to the fast idle cam.

The pulloff gets adjusted so the engine runs right--not too rich, not too...
Forum: Pontiac - Street 04-02-2024, 12:17 AM
Replies: 15
Views: 666
Posted By Schurkey
I don't understand why folks want to crank the...

I don't understand why folks want to crank the engine longer than needed. Fire the biitch up, get the oil pump spinning. Oil pressure builds quickly, oil film wedge builds almost instantly. Oil...
Forum: Pontiac - Street 03-27-2024, 11:11 PM
Replies: 8
Views: 559
Posted By Schurkey
I try to start all my core engines...assuming...

I try to start all my core engines...assuming they're in fully-assembled condition to begin with. Fresh oil and filter is recommended.
Forum: Pontiac - Street 03-27-2024, 11:01 PM
Replies: 9
Views: 479
Posted By Schurkey
EVERY "exhaust shop" can do custom bending. ...

EVERY "exhaust shop" can do custom bending.

99% of them are doing crush-bends. Very few have the capacity to do mandrel bends. Crush-bends are a waste of potential on any performance-oriented...
Forum: Pontiac - Street 03-25-2024, 05:10 PM
Replies: 31
Views: 1,601
Posted By Schurkey
Several errors and outright omissions in that...

Several errors and outright omissions in that video, none of which really matter. Kinda torques my jowls, though.

Also some good tips--using a spark tester in addition to an ohmmeter to test...
Forum: Pontiac - Street 03-24-2024, 03:53 AM
Replies: 23
Views: 1,011
Posted By Schurkey
First Guess: Both of you need to put the Severe...

First Guess: Both of you need to put the Severe Duty fan clutch in the recycle bin, and get a fan clutch actually recommended for your vehicles...which is almost certainly the standard-duty clutch. ...
Forum: Pontiac - Street 03-22-2024, 06:58 PM
Replies: 6
Views: 403
Posted By Schurkey
High line pressure WITHOUT ballooning the...

High line pressure WITHOUT ballooning the converter is also hard on the engine thrust bearing.

Often due to a restriction in the trans cooler plumbing, or in the cooler itself.
Forum: Pontiac - Race 03-20-2024, 12:25 PM
Replies: 28
Views: 4,231
Posted By Schurkey
https://www.speedofair.com/ Mostly...

https://www.speedofair.com/

Mostly Diesel-intensive, but supposedly "proven" on gasoline, CNG, swamp gas, etc.

Any piston that UEM makes can be dimpled, if your credit card is Nomex.
Forum: Pontiac - Street 03-18-2024, 10:00 PM
Replies: 31
Views: 1,458
Posted By Schurkey
I don't think he runs his lifter plungers toward...

I don't think he runs his lifter plungers toward the bottom of their travel specifically to make them quiet. I think he runs his lifter plungers toward the bottom of their travel so that as they...
Forum: Pontiac - Street 03-17-2024, 01:18 AM
Replies: 31
Views: 1,601
Posted By Schurkey
Worthwhile. Good news. Not...

Worthwhile.


Good news.


Not unusual.


I have the sense that you won't feel right until you inspect the lifters and cam lobes. I suggest you remove and disassemble them one at a time for...
Forum: Pontiac - Street 03-13-2024, 07:01 PM
Replies: 13
Views: 659
Posted By Schurkey
You are WAY more generous than I would be. I'd...

You are WAY more generous than I would be. I'd cut those prices in half.

Remember that this engine was so disappointing that the previous owner cut his losses after twenty miles.
Forum: Pontiac - Street 03-13-2024, 02:07 PM
Replies: 17
Views: 686
Posted By Schurkey
Open-circuit voltage at the battery terminals...

Open-circuit voltage at the battery terminals should be 12.6--12.8 depending on the battery construction. I guess Absorbed Glass Mat (AGM) batteries tend to be on the higher end of that scale.
...
Forum: Pontiac - Street 03-13-2024, 01:18 AM
Replies: 17
Views: 686
Posted By Schurkey
Starter gets hot, won't crank the engine,...

Starter gets hot, won't crank the engine, solenoid doesn't even click.

COMMON AS DIRT.

The typical problem is that there's enough corrosion on the wire harness, ignition switch, neutral safety...
Forum: Pontiac - Street 03-11-2024, 03:23 AM
Replies: 25
Views: 979
Posted By Schurkey
I'd be ten times more likely to cram-in a 4L80E...

I'd be ten times more likely to cram-in a 4L80E or similar (4L85E) than to buy and build-up a 200-4R.

The '80E is inherently much stronger than the 200, but would need an electronic controller,...
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