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Old 03-22-2023, 08:48 AM   #791
Larry Hill
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Default Re: Dumbo The Flying Elephant

Dave how long did it take to find the broke wire in the harness. I carry a coil pack or two, two old Hemi spark plugs boots to check timing, plugs, trans and converter. Spare tires and wheels.
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Old 03-22-2023, 09:08 AM   #792
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Default Re: Dumbo The Flying Elephant

I bought a complete extra wiring harness for my Holley system. That way you do not have to disassemble half the car to dyno an engine and you also have a spare to carry in the trailer.
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Old 03-22-2023, 11:51 PM   #793
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Default Re: Dumbo The Flying Elephant

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Dave how long did it take to find the broke wire in the harness. I carry a coil pack or two, two old Hemi spark plugs boots to check timing, plugs, trans and converter. Spare tires and wheels.
Six days of testing at the track. We could not duplicate the problem unless we were launching at a prepped track. As the coil drivers got worse, the engine would not start after the drivers warmed up, so we had to find and fix that issue before we could trace down the harness issue. When multiple electronic issues appear at the same time, diagnosis gets complicated. We now carry a known good spare for every sensor and an extra set of coil drivers. We are getting the original harness repaired and will carry that as well.
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Old 03-25-2023, 08:41 AM   #794
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Default Re: Dumbo The Flying Elephant

I checked out two coil pack harness's and an injector harness for continuity. All of them checked good and were from the FAST system. To get the harness to fit the Holley system I just have to re-pin to the Holley stile plugs for the main harness.

I need help in what company makes good tools to re-pin and or repair wiring harness's. Also a good source of the plugs for the harness.

We should smell smoke today.
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Old 03-25-2023, 05:20 PM   #795
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Default Re: Dumbo The Flying Elephant

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I checked out two coil pack harness's and an injector harness for continuity. All of them checked good and were from the FAST system. To get the harness to fit the Holley system I just have to re-pin to the Holley stile plugs for the main harness.

I need help in what company makes good tools to re-pin and or repair wiring harness's. Also a good source of the plugs for the harness.

We should smell smoke today.
I’m thinking Todd G. In the 8.50 build down a couple of post is using what you would need ( Deutsch connectors) see pg 17 & 18 of his build.
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Old 03-26-2023, 09:20 AM   #796
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Default Re: Dumbo The Flying Elephant

Thanks Mike I will check it out.
Did not get to smell smoke yesterday. Since we will be going to a chasse dyno I had to hookup my trans temp sender, I don't want to fry the trans. Did another Stupid Old Man Trick. I had the shifter in park and the trans in reverse. I found that out when I went to tighten the rear wheels they kept on spinning. The recipe for disaster involves the neutral safety switch located on the shifter. The switch closed allowed the starter to engage with the trans in reverse. It could have been a new garage door and a return trip to the body shop. To adjust the shifter I had to remove the collector, tether, and part of the trans shield. Got it adjusted and put back together.

Trans temp sending unit goes in the pipe bung in the pan. I was able to install without too much of a mess. Then it was a one year old birthday party and NCAA Basketball men's quarter finals.

Another Good Day!
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Old 03-28-2023, 09:39 AM   #797
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Default Re: Dumbo The Flying Elephant

Well I did not smell smoke or even got close. Three of the smaller wires that go straight to the positive post had fallen behind the battery and were not connected. I spent most of Sunday afternoon trying to figure out what was wrong. Monday morning I spent rereading the FAST info and checking the simple stuff. Monday afternoon we spent celebrating our 53rd anniversary, my mother-in-law gave us less than a year. Today we start on # 54. Our honey moon car was $400 57 Chevy TwoTen 2 dr post 265 2 barrel three speed manual radio delete purchased from a retired spinster school teacher.
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Old 03-28-2023, 10:03 AM   #798
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Happy Anniversary!
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Old 03-28-2023, 07:54 PM   #799
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After I got all the wires in the correct place the car started like it had been turned off 5 minutes ago. I had some new sensors to try some worked and some did not work. On the cam sensor the ones with a different polarity N/S did not work and the car would not start. Crank sensor only one OEM part number would work.
We did get to smell smoke on our anniversary we were both happy!
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Old 03-29-2023, 08:02 PM   #800
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Default Re: Dumbo The Flying Elephant

Spent this afternoon figuring out what sensor work and what sensors a dealership hooked me on. Some of the Hemi stuff is getting a little hard to find from non support.
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