Which coil for a CU engine with points?

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dickie14
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Which coil for a CU engine with points?

Post by dickie14 »

Well, as the title really - my van has a points-equipped SVDA dizzy, so I believe the standard coil for an electronic ignition CU engine might not be suitable.

The only identifying mark on the current coil (several years old) is a sticker which says 'Valeo 245010 292'. It measures 5.5kohm from 1-4 and 3.6ohm across 1-15.

I've got a Bosch coil as a spare, a blue label one, number 0 221 119 027 which is what GSF's computer says is required for my van. It measures 7.2kohm 1-4 and 3ohm 1-15.

All very different resistances to those detailed in the wiki...

The engine runs with the new Bosch coil but it did seem to heat up faster than the Valeo one, so I've reverted back to that.

Anyone know if the Bosch one will be ok? I don't want to fry my points!
1981 2.0 CU automatic Westy poptop

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bigherb
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Re: Which coil for a CU engine with points?

Post by bigherb »

If it has points ignition then it needs a coil of around 3 ohms primary resistance measured across terminals 1 & 15. The secondary resistance (1-4) just governs the maximum output voltage the coil is able to supply to the plugs, but as the HT system under runs the maximum output of a standard coil either coil will be suitable, but the Bosch one would be able to produce higher voltages.
1982 Camper 1970 1500 Beetle Various Skoda's, Ariel Arrow

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dickie14
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Joined: 04 May 2010, 16:07
80-90 Mem No: 13336
Location: Chiswick, West London

Re: Which coil for a CU engine with points?

Post by dickie14 »

Perfect, thanks very much bigherb!

Cheers,
Dickie
1981 2.0 CU automatic Westy poptop

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