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Forum: C3 Tech/Performance
Yesterday, 04:13 PM
Replies: 74
Views: 1,292
Posted By 69427

Thanks. :thumbs: I'm still unclear whether this...

Thanks. :thumbs: I'm still unclear whether this zero advance he saw was because of a timing chain/gear slip that retarded the timing, or if that zero degrees means that he's been driving around for...
Forum: C3 Tech/Performance
Yesterday, 10:53 AM
Replies: 74
Views: 1,292
Posted By 69427

So, did you rotate the distributor CCW a...

So, did you rotate the distributor CCW a noticeable amount after "something happened", or just the miniscule amount that looks possible for the vacuum advance canister movement between the ignition...
Forum: C3 Tech/Performance
04-14-2024, 08:03 PM
Replies: 12
Views: 310
Posted By 69427

Pretty. :thumbs:

Pretty. :thumbs:
Forum: C3 Tech/Performance
04-14-2024, 07:58 PM
Replies: 74
Views: 1,292
Posted By 69427

OP, before I also give up on this thread, please...

OP, before I also give up on this thread, please answer one question clearly. During the 15 years that your engine ran well, and prior to "something happened", was the distributor set/clamped in a...
Forum: C3 Tech/Performance
04-14-2024, 02:48 PM
Replies: 74
Views: 1,292
Posted By 69427

The plug wires aren't the problem (the #1...

The plug wires aren't the problem (the #1 cylinder is driver's side front cylinder as you've correctly mentioned). There's a reason you had to (suddenly) rotate the distributor CCW to...
Forum: C3 Tech/Performance
04-14-2024, 02:17 PM
Replies: 74
Views: 1,292
Posted By 69427

The wire placement is not a/the problem. All the...

The wire placement is not a/the problem. All the cylinders really care about is if the rotor is pointed at the appropriate cylinder plug wire terminal at the correct time. Time, not position, is the...
Forum: C3 Tech/Performance
04-14-2024, 02:04 PM
Replies: 74
Views: 1,292
Posted By 69427

I don't know how many teeth are on a small block...

I don't know how many teeth are on a small block crank gear, but the timing retard (as I'm assuming the jumped tooth occurs at/retards the cam sprocket) would effectively be one crank tooth, which I...
Forum: C3 Tech/Performance
04-14-2024, 11:19 AM
Replies: 74
Views: 1,292
Posted By 69427

The engine doesn't care where the plug wires are...

The engine doesn't care where the plug wires are at. As long as the rotor is clocked correctly to where the #1 plug wire is (or visa versa, and the sequence is correct) the engine will run fine. The...
Forum: C3 General
04-07-2024, 03:34 PM
Replies: 13
Views: 369
Posted By 69427

I agree with previous posters. Get the big block...

I agree with previous posters. Get the big block for the constant amusement factor. :lol:

The engine will run fine on most pump gas that's available, and putting an "aftermarket" timing curve in...
Forum: C3 Tech/Performance
04-07-2024, 03:25 PM
Replies: 20
Views: 552
Posted By 69427

Just assuming things here, so please correct me...

Just assuming things here, so please correct me if I'm wrong. With the Unilite name my impression is that that distributor uses an optical pickup sensor, and my understanding of the MSD parts is that...
Forum: C1 & C2 Corvettes
04-06-2024, 02:08 PM
Replies: 35
Views: 1,290
Posted By 69427

BTDT. Would have been nice if Chevrolet had...

BTDT. Would have been nice if Chevrolet had standardized the frame and put the removable crossmember (and cross shaft bracket) on all the frames. :toetap:
Forum: C3 Tech/Performance
04-05-2024, 08:34 PM
Replies: 14
Views: 486
Posted By 69427

Cats use precious metals in their construction...

Cats use precious metals in their construction that are damn expensive (google search says about a thousand dollars an ounce), and one big cat is most likely less expensive than two smaller units.
...
Forum: C3 Tech/Performance
04-05-2024, 02:08 PM
Replies: 20
Views: 552
Posted By 69427

I'm scratching my head trying to follow that...

I'm scratching my head trying to follow that procedure. I'll try to be kind and just say it's very poorly written. Regarding the "delay through the system", there's always a delay in any electronics,...
Forum: C3 General
04-05-2024, 01:19 PM
Replies: 21
Views: 491
Posted By 69427

Yup, I still do track days when possible, but as...

Yup, I still do track days when possible, but as is too often the case, they're never as often as I/we would like.

As PBF77 mentioned above about a magnesium housing for the Nash transmissions, I...
Forum: C3 Tech/Performance
04-04-2024, 05:29 PM
Replies: 20
Views: 552
Posted By 69427

Yeah, that distributor will get you the same two...

Yeah, that distributor will get you the same two wire (alternating voltage) signal that the $25 dollar GM distributor will, but that Speedway distributor will be more plug & play, and pretty as well....
Forum: C3 Tech/Performance
04-03-2024, 09:08 PM
Replies: 20
Views: 552
Posted By 69427

A couple of items have me curious. It would be...

A couple of items have me curious. It would be nice to be able to measure some of the wiring waveforms to see what that line is actually/completely doing.

The red line at the distributor is...
Forum: C3 Tech/Performance
04-03-2024, 05:08 PM
Replies: 20
Views: 552
Posted By 69427

If you could post a picture of the wiring...

If you could post a picture of the wiring schematic between the ignition box and the controller, perhaps we could see what your options are.
Forum: C3 General
04-03-2024, 02:57 PM
Replies: 21
Views: 491
Posted By 69427

:thumbs: I ran my Nash 4+1 for many years...

:thumbs:

I ran my Nash 4+1 for many years with either a 2.73 or 3.08 rear gearing. Darn easy to boil the rear tires with that first gear ratio, and pleasant low-RPM cruising with the straight...
Forum: C3 Tech/Performance
04-03-2024, 02:38 PM
Replies: 20
Views: 552
Posted By 69427

An EST distributor has no mechanical advance to...

An EST distributor has no mechanical advance to "lock out" and has the electronics to control the coil primary current. It takes timing/dwell instructions from the ECM.

I'm still unclear what the...
Forum: C3 Tech/Performance
04-03-2024, 02:11 PM
Replies: 20
Views: 552
Posted By 69427

Just curious. Is a $25 EST distributor out of a...

Just curious. Is a $25 EST distributor out of a late eighties Chevy pickup an option instead of all that MSD stuff?
Forum: Autocrossing & Roadracing
03-29-2024, 07:41 PM
Replies: 14
Views: 364
Posted By 69427

No expert here, but my understanding is that the...

No expert here, but my understanding is that the lithium/phosphate batteries (used in cranking applications) have a different chemistry compared to the lithium/cobalt batteries used in EVs....
Forum: Autocrossing & Roadracing
03-29-2024, 03:55 PM
Replies: 14
Views: 364
Posted By 69427

Thanks. :thumbs: FWIW, I'm not trying to...

Thanks. :thumbs:

FWIW, I'm not trying to dissuade you, with all these questions, from getting a different battery. The simple fact is my (electrical) engineering curiosity is rather piqued by your...
Forum: Autocrossing & Roadracing
03-29-2024, 12:34 PM
Replies: 14
Views: 364
Posted By 69427

What size A-G battery was that?

What size A-G battery was that?
Forum: C3 Tech/Performance
03-25-2024, 10:01 PM
Replies: 24
Views: 467
Posted By 69427

What's your manifold vacuum reading (ie: vacuum...

What's your manifold vacuum reading (ie: vacuum advance timing contribution) at the 2000-2200 RPM load point where it pings?
Forum: C1 & C2 Corvettes
03-25-2024, 02:15 PM
Replies: 31
Views: 1,326
Posted By 69427

Look at where the spring is pulling down on the...

Look at where the spring is pulling down on the back of the trailing arm, and the pivot point of the wheel spindle, and take a guess what the front of the trailing arm is trying to do if the bolt is...
Showing results 1 to 25 of 105
 
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