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Search: Posts Made By: Jim Shea
Forum: C3 Tech/Performance 10-31-2017, 07:01 PM
Replies: 32
Views: 729
Posted By Jim Shea
Gary, Good to see you back. Now if I can...

Gary,
Good to see you back.
Now if I can just get Lars back on a consistent basis as well.
Jim Shea
Forum: C3 Tech/Performance 10-22-2017, 01:55 PM
Replies: 29
Views: 8,745
Posted By Jim Shea
The actual gear box is identical between Corvette...

The actual gear box is identical between Corvette power and manual steering systems.
Jim
Forum: C3 Tech/Performance 10-10-2017, 10:10 AM
Replies: 8
Views: 230
Posted By Jim Shea
Here is another possible cause for your pump not...

Here is another possible cause for your pump not creating pressure.

There is a discharge fitting on the rear of your pump. Remove the PS pressure hose from the fitting by holding it and turning...
Forum: C3 Tech/Performance 10-10-2017, 12:14 AM
Replies: 8
Views: 230
Posted By Jim Shea
It is possible to actually break the driveshaft...

It is possible to actually break the driveshaft where in engages the pump rotor inside the pump. However, the belt and pulley will keep the driveshaft in place. If you remove the power steering...
Forum: C3 Tech/Performance 10-09-2017, 12:25 PM
Replies: 28
Views: 883
Posted By Jim Shea
My 2 cents

Your problem sounds exactly like the one I had in my 1975. The problem was the sock in the fuel tank was plugged. You just don't run out of fuel in the carb bowel until you continue to rev in...
Forum: C3 Tech/Performance 10-09-2017, 12:07 PM
Replies: 8
Views: 230
Posted By Jim Shea
1. Where did the information surface on a EPSON...

1. Where did the information surface on a EPSON pump? Quite frankly, I have never heard of a pump with the EPSON name. Saginaw Steering Gear Div produced 100% of the C2 and C3 power steering...
Forum: C3 Tech/Performance 07-06-2017, 05:50 PM
Replies: 3
Views: 203
Posted By Jim Shea
The key warning switch is normally open when...

The key warning switch is normally open when there is no ignition key in the lock cylinder. When you insert the key, a plastic tab extends from the lock cylinder and closes the key warning switch. ...
Forum: C3 Tech/Performance 07-05-2017, 12:22 PM
Replies: 1
Views: 181
Posted By Jim Shea
You will need to shorten the contact. ...

You will need to shorten the contact. Unfortunately, I do not have a dimension for that part. Maybe someone on the forum may have their T&T steering wheel and column apart so they might be able to...
Forum: C3 Tech/Performance 06-09-2017, 08:53 PM
Replies: 8
Views: 507
Posted By Jim Shea
1969 thru 1976 Corvette T&T columns should have...

1969 thru 1976 Corvette T&T columns should have 4.7 inches of steering shaft sticking out from the lower bearing face.
Jim
Forum: C3 General 06-03-2017, 11:13 AM
Replies: 12
Views: 429
Posted By Jim Shea
Two questions: Do you have a standard...

Two questions: Do you have a standard (non-adjustable) steering column or a tilt & telescoping type steering column?

Is it the original steering column for your 1974 Vette?

Jim
Forum: C3 Tech/Performance 05-22-2017, 12:46 PM
Replies: 7
Views: 249
Posted By Jim Shea
At the Saginaw manufacturing plant, the two...

At the Saginaw manufacturing plant, the two mounting blocks, (we called them capsules), were installed on the column bracket and then hot molten plastic was injected into the two holes in the...
Forum: C3 Tech/Performance 05-19-2017, 12:30 PM
Replies: 6
Views: 314
Posted By Jim Shea
Std vs T&T Strg Columns

One thing that was not mentioned. Standard (non-adjustable) columns and T&T columns operate their respective ignition switches in opposite directions. So there are two distinct ignition switches...
Forum: C3 Tech/Performance 05-19-2017, 12:14 PM
Replies: 11
Views: 566
Posted By Jim Shea
You mentioned that you removed the high pressure...

You mentioned that you removed the high pressure hose and then you removed discharge fitting from the back of the pump. Are you sure that you replaced the spring #5, flow control valve #6, and the...
Forum: C3 Tech/Performance 04-24-2017, 12:28 PM
Replies: 4
Views: 477
Posted By Jim Shea
Corvette T/S Switch Wires

As near as I can tell, the wiring colors were standardized throughout General Motors steering columns. It's too bad that aftermarket switch makers didn't follow the GM colors. However, the order in...
Forum: C3 General 04-06-2017, 04:51 PM
Replies: 12
Views: 799
Posted By Jim Shea
Here is a picture of the locking plate, upper...

Here is a picture of the locking plate, upper steering shaft and the C-clip being installed. Since the inside edges of the clip are parallel a more correct name should probably be "U-clip".

Jim
...
Forum: C3 General 04-06-2017, 02:21 PM
Replies: 12
Views: 799
Posted By Jim Shea
Ernie, That retainer was originally...

Ernie,
That retainer was originally manufactured out of urethane material (the same stuff that has caused those rubber C3 bumpers to disintegrate). It is nearly impossible to remove the original...
Forum: C3 General 04-06-2017, 02:10 PM
Replies: 23
Views: 966
Posted By Jim Shea
If you have an L82 engine, the number of...

If you have an L82 engine, the number of calculated identical cars will be a lot less than 200. Also you should know that your luggage rack and passenger door rear view mirror were dealer installed...
Forum: C3 General 04-05-2017, 01:40 PM
Replies: 23
Views: 966
Posted By Jim Shea
Is that the L82 symbol on the hood? If your car...

Is that the L82 symbol on the hood? If your car has an L82 engine you have an even more rare combination.

BTW that color is BRIGHT GREEN METALLIC, nick named 7-Up Green.
Jim
Forum: C3 Tech/Performance 03-15-2017, 09:21 AM
Replies: 6
Views: 453
Posted By Jim Shea
As mentioned above, make sure that the locking...

As mentioned above, make sure that the locking rod is in place. Then use a 5/16-18 UNC set screw or a #20 Allen screw to push on the rod to lock the upper steering shaft from telescoping.

You...
Forum: C3 Tech/Performance 03-07-2017, 10:44 AM
Replies: 28
Views: 1,477
Posted By Jim Shea
There is a lot more to power steering reservoir...

There is a lot more to power steering reservoir design than just a place for return oil flow to collect as it returns to the pump. One of the secrets is to design the reservoir such that the...
Forum: C3 Tech/Performance 02-10-2017, 09:41 AM
Replies: 26
Views: 1,585
Posted By Jim Shea
That's the hammer he uses to tune the linkage so...

That's the hammer he uses to tune the linkage so that the carb reaches WOT with your foot on the floor.

He's "The Man"!

Jim
Forum: C3 Tech/Performance 02-04-2017, 11:20 AM
Replies: 28
Views: 1,551
Posted By Jim Shea
I am sorry that I have been away for quite a...

I am sorry that I have been away for quite a while. Family issues have had to take priority.

Here is my 2 cents.

On Saginaw locking steering columns (1969 thru 1982) the turn signal cancelling...
Forum: C3 Tech/Performance 02-04-2017, 11:15 AM
Replies: 6
Views: 532
Posted By Jim Shea
I am sorry that I have been away for quite a...

I am sorry that I have been away for quite a while. Family issues have had to take priority.

Here is my 2 cents.

On Saginaw locking steering columns (1969 thru 1982) the turn signal cancelling...
Forum: C3 Tech/Performance 11-22-2016, 09:47 PM
Replies: 10
Views: 697
Posted By Jim Shea
PS Pump Parasitic Loss

We had a small dynamometer at Saginaw. We could run a power steering pump against various back pressures and determine that amount of horsepower required. A typical in-vehicle power steering system...
Forum: C3 Tech/Performance 11-19-2016, 08:40 AM
Replies: 7
Views: 410
Posted By Jim Shea
In 1975 the attachment of the drive pulley...

In 1975 the attachment of the drive pulley changed from a keyway with a nut to a press-fit design. The driveshaft for the press-fit pulley was larger in diameter. What you have is a fit-all seal...
Showing results 1 to 25 of 496

 
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