1990 Singlecab II

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DoubleOSeven
Posts: 1990
Joined: 25 Jul 2014, 21:10
80-90 Mem No: 14520
Location: Reading, England
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Re: 1990 Singlecab II

Post by DoubleOSeven »

Got Spark from out of spec. coil :) but no cough yet, getting closer ... I wonder if the spark isn’t strong enough. Anyway, nearly there.
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DoubleOSeven
Posts: 1990
Joined: 25 Jul 2014, 21:10
80-90 Mem No: 14520
Location: Reading, England
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1990 Singlecab II

Post by DoubleOSeven »

It wants to go, it really does. Had a cough but no joy yet, I’ll wait for the replacement coil now.

(Video of cough, on one man switch)



I took a shim out of the base of the distributor to help it spin more freely, I’m confident this part is ok now. If I was a gambling man, my money would be on the faulty coil, so in a couple of days, we’ll see. Hope.

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DoubleOSeven
Posts: 1990
Joined: 25 Jul 2014, 21:10
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Location: Reading, England
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Re: 1990 Singlecab II

Post by DoubleOSeven »

Humpf...

Old Coil: Primary 1.1 ohms, secondary 2.9k ohms
New Coil: Primary 0.5 ohms, secondary 4.7k ohms
Ideal: Primary 0.5 - 0.8, secondary 2.4 - 3.5k ohms

So, I'm getting spark - even with the new coil 'still' being out of spec., I've even come to putting fuel straight into the spark plug hole instead of down venturi on carb., so its there on the piston, but it won't start.

Oh, I did rotate HT leads, 1>3, 2>4, 3>1, 4>2...thinking dizzy was 180 out as 300CE suggested, but no joy there either.

I've run out of ideas now, I could swap out the dizzy I suppose but I am getting spark??

Suggestions on a postcard please;)

Dizzy or my wiring loom I suppose
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300CE
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Re: 1990 Singlecab II

Post by 300CE »

What a pain in the backside - might be worth giving the hall sender wires a wiggle whilst your trying to start it just in case.

Also do you know what condition the ignition amplifier is in? These can just stop working with no warning.

I’m sure she’s nearly there!
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DoubleOSeven
Posts: 1990
Joined: 25 Jul 2014, 21:10
80-90 Mem No: 14520
Location: Reading, England
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Re: 1990 Singlecab II

Post by DoubleOSeven »

Build costs are less than £1400 so far so I'll just throw some money at it !

Ordered an Amplifier, Coil & Distributor - I know, extravagance.

I'll change them in that order too, so we'll know for sure.

If that don't work, I'll just close the garage doors and leave it for a few months :D

...then have a lightbulb moment about air/fuel/wiring or summink !
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DoubleOSeven
Posts: 1990
Joined: 25 Jul 2014, 21:10
80-90 Mem No: 14520
Location: Reading, England
Contact:

1990 Singlecab II

Post by DoubleOSeven »

Dizzy.

Bit rough at the moment, but it runs.

https://youtube.com/shorts/iNV0OHQ9OB8?feature=share

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