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Forum: Pontiac - Street Yesterday, 11:11 PM
Replies: 6
Views: 281
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 Yesterday, 11:01 PM
Replies: 5
Views: 135
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: 1,371
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: 21
Views: 561
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: 335
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: 3,902
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: 1,336
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: 1,371
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: 534
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: 543
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: 543
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: 799
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,...
Forum: Pontiac - Street 03-10-2024, 07:51 PM
Replies: 16
Views: 757
Posted By Schurkey
First Guess: THERE IS SOMETHING WRONG. My money...

First Guess: THERE IS SOMETHING WRONG. My money is on the aftermarket caliper mounting brackets if not just plain ol' loose fasteners. Mis-adjusted wheel bearings, perhaps.

Carving more...
Forum: Pontiac - Street 03-10-2024, 07:42 PM
Replies: 64
Views: 2,357
Posted By Schurkey
Tires last fifteen minutes, or fifteen years. ...

Tires last fifteen minutes, or fifteen years. Depends on how they're used.

The tire industry has some *insane* recommendations, clearly designed by product-liability lawyers not engineers.

...
Forum: Pontiac - Street 03-10-2024, 07:29 PM
Replies: 39
Views: 1,778
Posted By Schurkey
Thinnest oil that gives acceptable hot idle oil...

Thinnest oil that gives acceptable hot idle oil pressure, within reason.

GM went on a big crusade decades ago to get people away from 10W-40. This was beaten into our heads at the GM Dealership...
Forum: Pontiac - Street 03-09-2024, 01:20 AM
Replies: 16
Views: 906
Posted By Schurkey
Sure. Warm or cold, doesn't make a lot of...

Sure. Warm or cold, doesn't make a lot of difference. Cold tends to produce slightly lower pressures. Yes, absolutely disconnect power from the HEI for the reasons described previously.

Some...
Forum: Pontiac - Street 03-08-2024, 02:40 AM
Replies: 16
Views: 757
Posted By Schurkey
How are those brackets and hardware looking? ...

How are those brackets and hardware looking? Photos?
Forum: Pontiac - Street 03-06-2024, 04:02 AM
Replies: 16
Views: 757
Posted By Schurkey
Is this a rear-disc conversion?

Is this a rear-disc conversion?
Forum: Pontiac - Street 03-04-2024, 06:25 PM
Replies: 41
Views: 1,800
Posted By Schurkey
That tube is the cold-air inlet side of the...

That tube is the cold-air inlet side of the hot-air choke system. Filtered air is drawn down that tube, heated by the exhaust crossover passage in the manifold, and then pulled into the hot-air...
Forum: Pontiac - Street 03-04-2024, 02:39 AM
Replies: 2
Views: 286
Posted By Schurkey
WHAT VEHICLE? I'd expect that to be listed...

WHAT VEHICLE?

I'd expect that to be listed in the Genuine GM service manual.
Forum: Pontiac - Street 03-04-2024, 02:36 AM
Replies: 15
Views: 793
Posted By Schurkey
Theoretically, you don't need to leave the...

Theoretically, you don't need to leave the solenoid off to pull the drive into engagement with the ring gear. The starter housing has a slot on the underside that you cram a pick or thin screwdriver...
Forum: Pontiac - Street 03-04-2024, 12:46 AM
Replies: 31
Views: 1,371
Posted By Schurkey
Ideally you would NOT pull plug wires off the...

Ideally you would NOT pull plug wires off the plugs with the engine running. This is very hard on the insulation of the secondary side of the ignition system, including the windings inside the...
Forum: Pontiac - Street 03-03-2024, 11:03 PM
Replies: 41
Views: 1,800
Posted By Schurkey
Air horn? On an intake manifold? Photos?

Air horn? On an intake manifold?

Photos?
Forum: Pontiac - Street 03-03-2024, 05:04 AM
Replies: 11
Views: 733
Posted By Schurkey
https://www.chevelles.com/threads/power-steering-d...

https://www.chevelles.com/threads/power-steering-diagrams.1131930/#post-11389062
Reference Step 13 for guidance.
Forum: Pontiac - Street 03-03-2024, 04:50 AM
Replies: 11
Views: 733
Posted By Schurkey
Start by finding the center-point of the steering...

Start by finding the center-point of the steering gear. The wheels better be straight-ahead. If they're not, it's likely the tie-rods were misadjusted.

Bolt up the steering column at the rag...
Showing results 1 to 25 of 500

 
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