#21  
Old 07-13-2021, 09:51 AM
JSuchma JSuchma is offline
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Originally Posted by Aluminum Chief View Post
No worries, I didn't take it that way.

I had a nos 406 coil, it bench tested good but when I put it in my Ram V Judge it did not start the car with the cd ignition.

I know the site you referred to, very informative.
Did you happen to use the under dash ignition jumper harness on your RAV Judge? If not that might be the problem with your 406 coil not working. As I understand, it was used to give a full 12 volts to the coil. Just a thought.

  #22  
Old 07-13-2021, 03:28 PM
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Did you happen to use the under dash ignition jumper harness on your RAV Judge? If not that might be the problem with your 406 coil not working. As I understand, it was used to give a full 12 volts to the coil. Just a thought.
Yes the jumper plug is there. Thanks

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  #23  
Old 07-20-2021, 03:32 PM
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Very cool engine . Nice to see it all together .the little details are always tough, impressed. ��

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Old 07-20-2021, 04:16 PM
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Very cool engine . Nice to see it all together .the little details are always tough, impressed. ��
Thank You
Current pic with manifolds
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Old 07-20-2021, 06:42 PM
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Thank You
Current pic with manifolds
Drool....

Very cool!

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Old 07-20-2021, 08:34 PM
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A body manifolds or F body?
Really loving those manifolds !!!!

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  #27  
Old 07-20-2021, 08:37 PM
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Gen 1 short decks.Tom

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Old 07-29-2021, 05:38 PM
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Gen 1 short decks.Tom
I need a set!, those are sweet!

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  #29  
Old 07-29-2021, 07:12 PM
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They made 25 sets,they should be EZ to find!There is a set about 40 miles from me!Tom

  #30  
Old 07-29-2021, 09:25 PM
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I need a set!, those are sweet!
the drivers side, yeah. the pass side, eeh, not so much (jmo) to clear the block mounted oil filter, it looks like a regular log.

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Old 08-01-2021, 01:04 AM
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Anybody dropped compression for pump gas on the V curious how much it affects them
Especially bottom end?

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  #32  
Old 08-01-2021, 08:45 AM
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All my engines are 9.5.Tom

  #33  
Old 10-01-2021, 11:49 PM
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I'm late to the party, but WOW, that is awesome, Ken!

On the epoxy coil, there were other applications for those - I think they used them on one of the OHC-6 installations - F-body? I have no references for which part numbers though. I had a #240 red CD coil that I had planned to use on my V. Most of the magazine articles showed the epoxy coil (not all), but the '70 A-body service manual diagram shows a conventional coil with the CD amplifier, so I wasn't going to lose any sleep using it. Like has already been said, the #406 is unobtainable, and I sure couldn't have afforded it if I had found one.

I am looking to use the D-R CD Ignition on my '63 Tempest build. I have a distributor, but need an amplifier and coil. If anyone has a lead, please let me know. A non-functioning box would be fine as would an Olds UHV version. I have rebuilt two of them with good results.

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  #34  
Old 10-02-2021, 12:15 AM
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Quote:
Originally Posted by JSuchma View Post
Did you happen to use the under dash ignition jumper harness on your RAV Judge? If not that might be the problem with your 406 coil not working. As I understand, it was used to give a full 12 volts to the coil. Just a thought.
Friendly correction....... You're completely right about needing the jumper, but to be precise, it is to bypass the resistance wire to supply the full 12v to the amplifier box, not the coil. On the CD system, the amplifier charges the main 2uF capacitor with over 300v, and then discharges the 300v through the coil primary winding to initiate the spark. That's why the CD system uses a coil with different electrical characteristics - lower primary resistance and inductance.

It's also why you can't trigger a tachometer from the coil. The amplifier box provided a low voltage pulse signal for a tach.

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1963 Tempest Convertible (195-1bbl, 3-speed transaxle. 428 RAIV, 5-speed, IRS planned) Pictures
  #35  
Old 10-02-2021, 08:43 AM
JSuchma JSuchma is offline
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Quote:
Originally Posted by tekuhn View Post
Friendly correction....... You're completely right about needing the jumper, but to be precise, it is to bypass the resistance wire to supply the full 12v to the amplifier box, not the coil. On the CD system, the amplifier charges the main 2uF capacitor with over 300v, and then discharges the 300v through the coil primary winding to initiate the spark. That's why the CD system uses a coil with different electrical characteristics - lower primary resistance and inductance.

It's also why you can't trigger a tachometer from the coil. The amplifier box provided a low voltage pulse signal for a tach.
Thanks for the correction on the jumper harness, sometimes I get ahead of myself when typing. If you still need an amplifier, I have an NOS 010 in the box. Not the correct number for a RAV, but at least it's for a Pontiac and not an Olds. I think I have a repro. mounting bracket for it as well. PM me if interested.

Chevrolet also used one of the epoxy fillled coils in the late 50's and early 60's on their 6 cylinder. It is # 296 and was only 9 volts.

  #36  
Old 10-02-2021, 08:50 AM
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Looks very cool!!

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  #37  
Old 10-02-2021, 11:37 AM
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Just a side note but with solid state ignitions beginning with the 1962 Delcotronic, GM always used a transistor circuit while the points ignitions recived a passive circuit.

Is easy to convert, just depends on which tach it has.

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