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Search: Posts Made By: ddecart
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Forum: C8 General Discussion
05-11-2022, 01:51 PM
Replies: 47
Views: 5,936
Posted By ddecart

Very general statement that is patently incorrect...

Very general statement that is patently incorrect in the data you presented. Look no farther than wet stopping distance.
Forum: C8 General Discussion
04-26-2022, 10:15 AM
Replies: 12
Views: 2,722
Posted By ddecart

The "delete all" is part of the return to factory...

The "delete all" is part of the return to factory settings option and isn't separately available only for front lift.
You'll have to delete them if you happen to come across them. 1000 points...
Forum: C8 General Discussion
04-26-2022, 10:10 AM
Replies: 47
Views: 5,936
Posted By ddecart

What would you hope would be better by moving to...

What would you hope would be better by moving to summer tires?
Forum: C5 Tech
01-10-2021, 12:25 PM
Replies: 106
Views: 80,481
Posted By ddecart

Nice writeup, and good comments/suggestions from...

Nice writeup, and good comments/suggestions from others.
This job is a good bit of fun. I finally decided to tackle it when I went underneath for the 230k mile oil change. I knew it was a mess,...
Forum: C5 Tech
09-17-2020, 10:02 PM
Replies: 6
Views: 813
Posted By ddecart

C6 Z51 shocks are better than C6 Z06 imho. They...

C6 Z51 shocks are better than C6 Z06 imho. They were the last ones done by Mike Neal and are what he's most proud of.

The active dampers can be fooled with resistors. Pretty straight forward.
Forum: C5 Parts for Sale/Wanted
07-22-2020, 09:41 PM
Replies: 7
Views: 610
Posted By ddecart

Sent you a PM. Definitely interested.

Sent you a PM. Definitely interested.
Forum: C5 Parts for Sale/Wanted
07-22-2020, 06:02 PM
Replies: 7
Views: 610
Posted By ddecart

:thumbs: Thanks!

:thumbs:

Thanks!
Forum: C5 Parts for Sale/Wanted
07-20-2020, 09:18 PM
Replies: 7
Views: 610
Posted By ddecart

Current numbers are 19332289 or 16238212 as far...

Current numbers are 19332289 or 16238212 as far as I can tell
Forum: C5 Parts for Sale/Wanted
07-11-2020, 09:10 PM
Replies: 7
Views: 610
Posted By ddecart

Still looking. These things are as rare as hens...

Still looking. These things are as rare as hens teeth.
Forum: C5 Parts for Sale/Wanted
06-28-2020, 09:35 PM
Replies: 7
Views: 610
Posted By ddecart

Stock tune is fine. It'll need a tune anyhow.

Stock tune is fine. It'll need a tune anyhow.
Forum: C5 Tech
06-28-2020, 08:42 AM
Replies: 65
Views: 6,741
Posted By ddecart

Looking like the ultimate solution is going to be...

Looking like the ultimate solution is going to be a replacement ECM and a new tune. I'm thinking that a new mail-order tune may be the way to go for now in order to see if I can get the thing...
Forum: C5 Parts for Sale/Wanted
06-27-2020, 12:28 PM
Replies: 7
Views: 610
Posted By ddecart

97-98 ecm/pcm

Looking for an ECM/PCM in proper working order from a 97 or 98 w/manual trans.
Forum: C5 Tech
06-15-2020, 07:13 AM
Replies: 65
Views: 6,741
Posted By ddecart

The conditions for this to occur are way too...

The conditions for this to occur are way too predictable to be an ignition power issue. Unless those electrons know to act differently based on whether the IAT is connected or not, and whether the...
Forum: C5 Tech
06-14-2020, 08:05 PM
Replies: 65
Views: 6,741
Posted By ddecart

One of these: ...

One of these:
https://cdn10.bigcommerce.com/s-7gavg/products/468/images/5380/Analog_Discovery_2_obl_600__81417.1554748384.1280.1280.png?c=2&_ga=2.207580627.17486276.1592179186-1872726722.1592179186...
Forum: C5 Tech
06-14-2020, 11:55 AM
Replies: 65
Views: 6,741
Posted By ddecart

Just back-probed the MAF signal at the ECM. The...

Just back-probed the MAF signal at the ECM. The signal is absolutely rock-solid when driving, even when the engine stumbles. So, it's not the MAF wiring, either.

Opinions on the next step?...
Forum: C5 Tech
06-08-2020, 08:13 AM
Replies: 65
Views: 6,741
Posted By ddecart

Thanks guys. A path forward is becoming a bit...

Thanks guys. A path forward is becoming a bit more clear now.

The objective: HAVE A DRIVEABLE CAR
To get there, it looks like there are two options:
1) tune the current ECM
2) tune a...
Forum: C5 Tech
06-05-2020, 08:38 AM
Replies: 65
Views: 6,741
Posted By ddecart

That makes sense. It should run without the MAF,...

That makes sense. It should run without the MAF, so that's been puzzling me... until I found out that it had a tune, so all bets are off at that point.

I've been wondering if the ECM has been...
Forum: C5 Tech
06-01-2020, 05:05 PM
Replies: 65
Views: 6,741
Posted By ddecart

It's not the VE that has me concerned. It's the...

It's not the VE that has me concerned. It's the difference between the two.
Since VE is one of the parameters in the speed density calculation, it's easy enough to just guess something reasonable...
Forum: C5 Tech
05-31-2020, 08:13 PM
Replies: 65
Views: 6,741
Posted By ddecart

I took both cars out for a drive and recorded a...

I took both cars out for a drive and recorded a bunch of data with my ALDL scanner. Same road, same conditions, same speed, same gear, etc... 4th gear, cruise set @ 55mph.

The '98 was, of...
Forum: C5 Tech
05-26-2020, 04:49 PM
Replies: 65
Views: 6,741
Posted By ddecart

Here is everything I know about the current...

Here is everything I know about the current configuration of the engine. I'm thinking maybe finding someone with HP Tuners wouldn't be a bad idea.







No idea if this is where the tune...
Forum: C8 General Discussion
05-25-2020, 07:52 PM
Replies: 9,847
Views: 859,737
Posted By ddecart

So those are FREE to engineer, even when married...

So those are FREE to engineer, even when married to a new cockpit (that doesn't lend itself to a manual), a new engine/transmission layout, and new overall vehicle layout? Money that they thought...
Forum: C5 Tech
05-25-2020, 04:31 PM
Replies: 65
Views: 6,741
Posted By ddecart

Just went for a drive, no change. Although,...

Just went for a drive, no change.

Although, in the most recent few drives, with the cruise set at ~55 in 4th gear, the engine will stall and then catch itself a couple of seconds later. Cruise...
Forum: C5 Tech
05-25-2020, 03:41 PM
Replies: 65
Views: 6,741
Posted By ddecart

Now that our 3rd winter is finally past us,...

Now that our 3rd winter is finally past us, there’s been more driving, more looking at scopes, and I’m no closer to a solution.

When the engine stumbles, the signals at the MAF sensor...
Forum: C5 Tech
05-25-2020, 03:20 PM
Replies: 65
Views: 6,741
Posted By ddecart

It is at 5V in this condition. Had done that...

It is at 5V in this condition. Had done that previously and got 0 V
Forum: C8 General Discussion
05-18-2020, 07:56 PM
Replies: 9,847
Views: 859,737
Posted By ddecart

No offense Jerry, but I lived this world for a...

No offense Jerry, but I lived this world for a good long time. Frankly, the Corvette at <40k units per year is roundoff error compared to the million full size trucks that GM sells per year. GM...
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