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Old 04-30-2012, 08:17 AM   #61
a1fa OP
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I'll put a rush order to get those fuckers... just need to know what distributor to get...
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Old 04-30-2012, 10:15 AM   #62
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Quote:
Originally Posted by a1fa View Post
I'll put a rush order to get those fuckers... just need to know what distributor to get...
Mechanical dist and get rid of the points . Pertronix ?
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Old 04-30-2012, 10:32 AM   #63
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I'm not sure how the L-Jet system could have fried yoru points. The distributor should be a mechanical with vacuum advance and the points opening and closing are controlled mechanicly by the distro. I used to eat condensers on my bus until i found a short between the condenser and the body of the distributor.

Have you put a voltmeter on your ECU to ensure the thing isn't fried?

Swapping to carbs usually requires yanking the gas tank and modifying it to eliminate the high pressure gas return lines.
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Old 04-30-2012, 11:03 AM   #64
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As posted on another forum:

Quote:
I am afraid I may have fried my ECU, because I shorted it as I was moving the harness with ignition on.. I was measuring the voltage on the harness, and got to talking to somebody and tried to put it back in. I melted a wire on ignition coil to #15, and may have damaged the harness and ECU. Is there an ECU test I can do?

Previously, everything tested ok, as far as AFC troubleshooting manual is concerned. Maybe my ignition switch was playing tricks on me.

Worst case scenario, new wiring harness.. $200, new ecu ~$200, new AFM, $146, $9 ignition switch.

Is there an ECU test procedure?
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Old 04-30-2012, 06:17 PM   #65
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Unfortunate accidents happen, sometimes due to ones own lack of diligence and foresight, and lack of experience.
You always learn the best from personal mistakes.

The following is a list of known bad parts:
- The Federal ECU - smoked. $100-$499.
- Wiring Harness, salvageable - fused pins, melted wires. $20-$350.
- 009 Distributor - melted. $100.
- Pertronix - melted. $70.
- Double Relay - smoked. $79
- Several Connectors - melted. $0.25
Learning from your own mistake - priceless.

This afternoon I spent some time cleaning up all this mess, and removing the failed components, and plotting the placement for Microsquirt.



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Old 04-30-2012, 06:36 PM   #66
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I re-tested the rest of the electrical components, and all of the injectors ohmed to spec.. . I will be re-using them.

The following will be the new EFI layout:



Microsquirt will be inside the van under the bench away from heat, water, hands, and other things.

Pink - Relay 1 - Starter Relay
Purple - Relay 2 - Fuel Pump Relay
Red - Injectors - 4 individual pairs
Orange - Coolant Temperature Sensor - Custom Fit via adapter to CHT
Green - Intake AIR Temperature Sensor - Custom Fit into the intake plenum where EGR used to connect.
Yellow - GM 3 wire MAP Sensor
Blue 1 - Vacuum line from throttle body to MAP
Blue 2 - Vacuum line from intake plenum to Fuel Pressure Regulator.

The airbox will be replaced with a "cold are intake" piping with a filter from one of the "tuner" cars.
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Old 04-30-2012, 07:02 PM   #67
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I'll probably (have to) re-use the AUX AIR REGULATOR for idle. Although idle air stepper motor could be machined somewhere into the throttle body....

The cost:
$380 for the microsquirt kit: ecu w/ 4 injector terminals, wide band o2 sensor, coolant temperature sensor, wiring harness, relays, fuse, serial cable...
$50 for the MAP sensor,
$20 for additional connectors, and shrink tubing.
$20 for cold air intake.
---------------
Approximate Total: $470.
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Old 04-30-2012, 07:08 PM   #68
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Quote:
Originally Posted by a1fa View Post
I'll probably (have to) re-use the AUX AIR REGULATOR for idle. Although idle air stepper motor could be machined somewhere into the throttle body....

The cost:
$380 for the microsquirt kit: ecu w/ 4 injector terminals, wide band o2 sensor, coolant temperature sensor, wiring harness, relays, fuse, serial cable...
$50 for the MAP sensor,
$20 for additional connectors, and shrink tubing.
$20 for cold air intake.
---------------
Approximate Total: $470.
Aren't you going to run into problems with this setup ?
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Old 04-30-2012, 07:18 PM   #69
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Quote:
Originally Posted by STANIMAL View Post
Aren't you going to run into problems with this setup ?
Have not been down that path yet, so would not know... What are you thinking?
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Old 04-30-2012, 08:28 PM   #70
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Quote:
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Have not been down that path yet, so would not know... What are you thinking?
Custom building an FI system ? I see people doing it , but with a lot of pain . Why ?
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You twatwaffles who enjoy fucking duffelbags full of deer antlers, simply stay out of the thread. ---Hardware02
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Old 04-30-2012, 08:52 PM   #71
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Quote:
Originally Posted by STANIMAL View Post
Custom building an FI system ? I see people doing it , but with a lot of pain . Why ?
no pain in building it ..

Pain in mapping it...

dyno time...
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Old 04-30-2012, 09:02 PM   #72
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Originally Posted by seriousracer View Post
no pain in building it ..

Pain in mapping it...

dyno time...
Time is money .
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If it don't have tits, spark plugs or gun powder, it don't interest me. ---Moose Dog
If you don't organize your tools, you're a terrible person.---Aghartha
You twatwaffles who enjoy fucking duffelbags full of deer antlers, simply stay out of the thread. ---Hardware02
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Old 04-30-2012, 10:12 PM   #73
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Quote:
Originally Posted by a1fa View Post
Unfortunate accidents happen, sometimes due to ones own lack of diligence and foresight, and lack of experience.
You always learn the best from personal mistakes.

The following is a list of known bad parts:
- The Federal ECU - smoked. $100-$499.
- Wiring Harness, salvageable - fused pins, melted wires. $20-$350.
- 009 Distributor - melted. $100.
- Pertronix - melted. $70.
- Double Relay - smoked. $79
- Several Connectors - melted. $0.25
Learning from your own mistake - priceless.

This afternoon I spent some time cleaning up all this mess, and removing the failed components, and plotting the placement for Microsquirt.



Ok, I gotta ask. What in the world did you do?
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Old 05-01-2012, 05:20 AM   #74
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Quote:
Originally Posted by HillbillyNinja View Post
Ok, I gotta ask. What in the world did you do?
I don't know what caused the original issue, and I can only suspect at this time that the ECU was on its way out. One thing is for certain, it is fried now for sure. I unplugged the ECU cable with the ignition on. It would not have been so bad had the pins not touched.
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Old 05-01-2012, 07:01 AM   #75
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Quote:
Originally Posted by STANIMAL View Post
Time is money .
If they have a good starting map... And some seat of the pants tuning.

only about an hour dyno.

Wide band O2 will help out a lot. And a good five gas analyzer ...

Best thing he can do is find a guy local, who is really good with mega squirt . There is a computer geek here who has quite a few cars running around on mega.. some as high as 800 horse,..
He nails maps out of his head almost dead on...
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racing is not real till your fighting for the line into the next blind corner,real roads, real trees, real fast, real men rally.

be a man dodge tree bark!

We’ve said it before, but it bears repeating; the GS handles in ways a two-story building was never meant to.

Taking collections for Faye Butler Training please spare some change.

www.kmotorwerks.com

Remember red and yellow make orange.so to think orange is better means you have to use two steps to get there.
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