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Search: Posts Made By: kurtis72
Showing results 1 to 50 of 92
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Forum: TPI
11-04-2018, 10:51 PM
Replies: 10
Views: 1,224
Posted By kurtis72

Re: Tuned Port 400?

I have a 400 TPI in my K5 Blazer and it is great. But I also have an RV cam and have it set up for low rpm power. It rolls off before 5k. I can post more details if interested. It is also full...
Forum: Camaros for Sale
07-05-2018, 02:47 PM
Replies: 3
Views: 1,009
Posted By kurtis72

Re: [OR] 88 Z28 Convertable

Under the hood is all stock. It runs great, scanner reads fine, no codes. It warms up and goes to closed loop like it should. I drove the car back from the detail shop and it seems like legit 170...
Forum: Camaros for Sale
07-05-2018, 02:37 PM
Replies: 3
Views: 1,009
Posted By kurtis72

Re: [OR] 88 Z28 Convertable

Showing catalytic converter:

https://photos.google.com/photo/AF1QipOc1gsE-O5DoF24szkr8NdwCsPukhFYo1g46TaD

https://photos.google.com/photo/AF1QipP85S76PpdmjpSiukah_Sa-ODHF0QVu2AolgvNu
...
Forum: Camaros for Sale
07-05-2018, 02:33 PM
Replies: 3
Views: 1,009
Posted By kurtis72

Re: [OR] 88 Z28 Convertable

https://cimg9.ibsrv.net/gimg/www.thirdgen.org-vbulletin/2000x1124/80-20180617_154656_b9385d45c86dff08325ed05fc48068cea4476c6a.jpg

...
Forum: Camaros for Sale
07-05-2018, 02:30 PM
Replies: 3
Views: 1,009
Posted By kurtis72

[OR] 88 Z28 Convertable

I am listing for a coworker. I NEAR MINT 1988 Camaro Z28 convertible, 700r4 TBI. Car has 59k miles. Price is 10k.
Everything seems to work, I have found a few problems:
-Power steering pump...
Forum: History / Originality
04-08-2018, 07:32 PM
Replies: 19
Views: 7,438
Posted By kurtis72

84 Camaro Hidden VIN Location

Anybody know where to look for the "hidden" vin location on an 84 camaro z28?
I'm looking at buying one, but the VIN on the title is off by one digit. I figure one of the following is true:...
Forum: DFI and ECM
04-08-2018, 07:06 PM
Replies: 14
Views: 1,872
Posted By kurtis72

Re: 1983 z28 HO ECM/PROM

What fuse was blown?
Forum: DFI and ECM
04-08-2018, 06:58 PM
Replies: 33
Views: 4,941
Posted By kurtis72

Re: Mega Squirt worth it?

Agree. i have used many standalone setups and programmed factory ecus. MS is great except for the EPIC learning curve.
Forum: DFI and ECM
03-17-2018, 11:30 AM
Replies: 33
Views: 4,941
Posted By kurtis72

Re: Mega Squirt worth it?

I connected the VVT wire (from the MS3) to the wire for the EGR. Then used Generic PWM A to control it. I think I used a maximum 50% duty cycle from 1500-2500rpm and light load under 60kpa. With...
Forum: DFI and ECM
02-01-2018, 12:25 PM
Replies: 33
Views: 4,941
Posted By kurtis72

Re: Mega Squirt worth it?

It is doable to run emissions from the MS3. I had EGR and the canister evap running. I never did the two relays for the smog pump since PO had already disabled it. Would recommend EGR since you...
Forum: DFI and ECM
02-01-2018, 12:19 PM
Replies: 8
Views: 4,334
Posted By kurtis72

Re: Main Relay for MicroSquirt

"Can anyone tell me where I can find a source that is hot in RUN but not in CRANK as stated above?"

Try the power wire to your radio.
Forum: DFI and ECM
06-24-2016, 04:41 PM
Replies: 16
Views: 5,687
Posted By kurtis72

Re: Injector firing strategy

I played with this a fair amount on my 5.7TPI running MS3X, 19lb injectors at ~60lbs pressure. I found 4 squirts/cycle alternating to be the best.
It seemed to have a small amount more HP at...
Forum: History / Originality
05-30-2016, 06:15 PM
Replies: 5
Views: 662
Posted By kurtis72

Re: 305? 350?

Nope number there is completely different than VIN. Someone before me must have swapped motors.
It makes sense, the factory 305 tune was way too lean for this motor. I always figured it was...
Forum: History / Originality
05-29-2016, 12:47 AM
Replies: 5
Views: 662
Posted By kurtis72

Re: 305? 350?

Must not be the original motor. Pretty sure there were no 350 + T5 cars, right?
Forum: History / Originality
05-28-2016, 07:04 PM
Replies: 5
Views: 662
Posted By kurtis72

305? 350?

I have had my 91 Z28 for 3 years or so and have always assumed it has the factory 305 (5000cc). After pulling the engine, I see stamped on the back of the block top drivers side GM 5.7L.

So is...
Forum: DFI and ECM
04-13-2016, 10:53 AM
Replies: 14
Views: 4,851
Posted By kurtis72

Re: 92 Z28 What aftermarket ECU?

I have the MS3X running my 91 Z28. It was anything but "plug and play", but I am very happy with it. I have almost all of the factory ECU functions including the EGR and canister evap. The only...
Forum: DFI and ECM
04-12-2016, 06:43 PM
Replies: 21
Views: 6,022
Posted By kurtis72

Re: Megasquirt map for a TBI/TPI system

Also running LPG you probably can turn off the Acceleration Enrichment.
Forum: DFI and ECM
03-03-2016, 07:15 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

It is great!

I am getting ready to swap a 2010 LS3/TR6060, stay tuned...
Forum: DFI and ECM
02-27-2016, 09:48 PM
Replies: 5
Views: 1,075
Posted By kurtis72

Re: Raw fuel on my 89 IROC TPI, need help

Also check that your MAP sensor didn't get disconnected when you were taking things apart.
Forum: DFI and ECM
02-27-2016, 09:39 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I have the speedo/VSS working now. No need for any pull-up resistors. These settings worked for me:
...
Forum: DFI and ECM
11-06-2015, 01:48 PM
Replies: 35
Views: 33,880
Posted By kurtis72

Re: Aftermarket ecu upgrade options

I have used the Holley HP, tuned the factory EEPROMs and MegaSquirt. They are all options for 3rd gen MPI. My opinions:

Factory Tuning: Tedious to swap EEPROM each time you modify something. ...
Forum: DFI and ECM
10-16-2015, 06:27 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

IAC Wiring 1991 Camaro 5.0 TPI

The link:
http://www.megamanual.com/ms2/IAC.htm

The square connector at the bottom of this image is what I have:
...
Forum: DFI and ECM
10-15-2015, 06:59 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Just a quick update: I have the car running on MS2 with the Extra Code. There is still more tuning to be done and I have no emissions or speedometer, but I am making progress.

The most important...
Forum: DFI and ECM
09-14-2015, 08:53 PM
Replies: 35
Views: 33,880
Posted By kurtis72

Re: Aftermarket ecu upgrade options

Other than the cost it is hard to beat Holley. If you want to do Megasquirt, plan on a steep learning curve.
Forum: DFI and ECM
09-14-2015, 02:36 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Tried to do some more tuning, I seem to have inconsistency from one startup to another. I had it idling great around 14.5 AFR. Then I shut it off and re start and it is over 15. So I take some...
Forum: DFI and ECM
09-10-2015, 09:28 AM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Since my factory ECU has the knock module built in I don't know if an external GM unit would be compatible with my sensor. There are several part numbers, not sure which one would work if any.

I...
Forum: DFI and ECM
09-09-2015, 02:35 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I ran it again last night and got the idle almost tuned in. It is still a little fat, but better than it ever was with the B&G code. I go the trigger offset set.
I have it on 4 pulses...
Forum: DFI and ECM
09-07-2015, 09:14 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Not sure fuel cut was the issue since it never hit 1200 RPM. Now the 28 sec problem has gone away without me changing anything...

I have discovered the idle air test mode. I think the IAC is...
Forum: DFI and ECM
09-07-2015, 02:15 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Joe: I sent you the log file

Here is a screen shot:

https://cimg2.ibsrv.net/gimg/www.thirdgen.org-vbulletin/1920x1080/80-ms_28_sec_dd946a43832297710d355229b33070a2cbcf3d1a.png
Forum: DFI and ECM
09-07-2015, 02:23 AM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

One other thing, I switched the homing position for the IAC valve to OPEN, since it seemed to be running backwards. I double checked, the wiring is correct. On the B&G code it seemed to be fine.
...
Forum: DFI and ECM
09-07-2015, 02:19 AM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I have the car running on the extra 3.4 code for the first time. I have a strange occurrence:

Every 28 seconds or so the engine tries to die. Pulsewidth goes to 0 and then recovers. I have it...
Forum: DFI and ECM
09-04-2015, 07:38 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I THOUGHT I had it wired to D14, but I tried JS10 and it worked, so I guess I was wrong.

For the Extra code Going High is correct, for Original it is going Low.

I tried it on the stimulator and...
Forum: DFI and ECM
09-03-2015, 10:58 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I flashed the original B&G code back and hooked up the scope. I got a really crappy sine wave, nothing like the factory ecu. I don't know if it because of the simulator?
I will try it on the car...
Forum: DFI and ECM
09-03-2015, 10:32 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I tried the MS again with the Extra 3.4 code.
I set trigger offset to 6*, made sure latency was 0, and 2.5 ms dwell.
The MS ecu will not fire the car. It starts to fire on the starter and then...
Forum: DFI and ECM
08-31-2015, 01:17 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

The trigger offset I copied from the B&G original setup. I can't set it for Extra until I get it running.

The dist is set for 6* the factory setting. I will do the trigger offset once I get it...
Forum: DFI and ECM
08-29-2015, 08:20 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Ok, so after trashing my ignition module, I figured out that you need "charge going high". It does get inverted somewhere in the circuit.
I tested with an LED the way they say here:
...
Forum: DFI and ECM
08-27-2015, 09:23 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Worked on it some more. The trigger offset was way off, it went from +5 to -2 when I changed from going high to going low.. The car still will not run right.
It idles around 1500 RPM.
I had to...
Forum: DFI and ECM
08-26-2015, 01:45 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I need to do some more work on setting the trigger offset, I had the car running, but it idled it 1500RPM, I believe due to the timing way too advanced.

I will post more results here.
Forum: DFI and ECM
08-21-2015, 10:43 PM
Replies: 3
Views: 4,380
Posted By kurtis72

Re: Strange engine light

Check your coil carefully. My brand new MSD coil was the problem...
Forum: DFI and ECM
08-19-2015, 06:10 PM
Replies: 3
Views: 4,380
Posted By kurtis72

Re: Strange engine light

I am having the same trouble with my 91 LB9, but no engine code. From idle to 1500 RPM it chugs and you can feel a bad vibration, especially in 5th gear.
I data logged and found nothing unusual. I...
Forum: Members Camaros
08-17-2015, 12:28 PM
Replies: 20
Views: 1,114
Posted By kurtis72

Re: Purchased an '84 L69 Z Today

Nice score! Love the crank up windows. How does it run? Is the motor all intact?
Forum: DFI and ECM
08-13-2015, 12:24 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Sry, I do have the wideband set, dropbox didn't sync that before I sent it to you.

5 deg is the trigger offset that should be right we set it with the timing light.

Yes 19lb Bosch D3 injectors...
Forum: DFI and ECM
08-13-2015, 11:59 AM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Back to the B&G original code. It runs ok, I changed from 2 to 4 injections per cycle. That seems better. Still I can only get it to idle at 13.5-13.8 AFR. Any leaner and it oscillates.
Forum: DFI and ECM
08-13-2015, 10:58 AM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Tried again to get the car to start on 3.4 Extra and nothing. It starts to fire when cranking, but when I let off the starter it dies. I am going back to the B&G code.
Forum: DFI and ECM
08-12-2015, 04:19 PM
Replies: 7
Views: 937
Posted By kurtis72

Re: ECM code 12 issue

There is a white wire with a connector behind your passenger shock tower. If it is disconnected the ECU will not control timing.
Try checking this connection, it should have 5V when running nothing...
Forum: DFI and ECM
08-12-2015, 12:25 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I have the full paid version.
I tried a new project and it seems to be fine. It must have been my old project file from B&G firmware did not upgrade to the extra code. I needed to start over...
Forum: DFI and ECM
08-12-2015, 09:33 AM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I hooked it back up to the stim and have confirmed that analog readings are coming into the ms2 correctly.

I checked the grounds: my innovate lc1 and gauge are grounded near the master cylinder. ...
Forum: DFI and ECM
08-11-2015, 02:17 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

Yes I did it just like:
http://www.megamanual.com/ms2/GM_7pinHEI.htm
I have tested it and it works.
Forum: DFI and ECM
08-11-2015, 01:15 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

My Fuel Settings:

Required Fuel: 21.00
Cont Algorithm: SD
Squirts/cycle: 2
Inj Staging: Alternating
Eng Stroke: 4 stroke
# Cyl: 8
# Injectors: 8
Engine Type: Even fire
Forum: DFI and ECM
08-11-2015, 01:01 PM
Replies: 57
Views: 10,137
Posted By kurtis72

Re: MegaSquirt on 91 TPI

I was going to put the original firmware back on and realized that I had the bootloader jumpered. My bad, I will try it again see if that makes a difference.
Showing results 1 to 50 of 92
 
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