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Old 05-18-2021, 12:41 PM   #21
Desoto291Hemi
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Default Re: Condenser

Hey Denny,,,,,what is the rating on your new condensers ?
You might have it posted somewhere ,,,,I might have missed it .
Either way,,,,they are a work of art,,,I love mine !

Tommy
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Old 05-18-2021, 01:02 PM   #22
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Default Re: Condenser

Mine are .22. They will work well with all modern type coils.

I believe that you could run a .22 or a .36, and never see a difference in performance. After 20K miles there might be a slight difference in point wear, which depending on coil inductance and the type of operation the engine was subjected to, could go either way.

A few years ago, there was a guy on he H.A.M.B that had a theory that specifically matching condenser capacitance to coil inductance at the desired engine speed might yield superior ignition performance. I don't think it went anywhere.
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Old 07-26-2021, 10:51 AM   #23
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Default Re: Condenser

Are the “magneto” condensers polarity sensitive? I have them running on both +ve and -ve ground systems for years with no problems. Just recently heard of one on 6 volt +ve ground that apparently destroyed itself. Any ideas on this one?
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Old 07-26-2021, 04:23 PM   #24
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Default Re: Condenser

Quote:
Originally Posted by tubman View Post

A few years ago, there was a guy on he H.A.M.B that had a theory that specifically matching condenser capacitance to coil inductance at the desired engine speed might yield superior ignition performance. I don't think it went anywhere.
Don't think it is theory, but basic electronics for a IC circuit. An engineer for any automotive company is going to design the ignition circuit with the proper values, that's their job. Does it make a major difference in day to day driving, apparently not that much.
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Old 07-26-2021, 05:08 PM   #25
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Quote:
Originally Posted by tubman View Post
Mine are .22. They will work well with all modern type coils.

I believe that you could run a .22 or a .36, and never see a difference in performance. After 20K miles there might be a slight difference in point wear, which depending on coil inductance and the type of operation the engine was subjected to, could go either way.

A few years ago, there was a guy on he H.A.M.B that had a theory that specifically matching condenser capacitance to coil inductance at the desired engine speed might yield superior ignition performance. I don't think it went anywhere.
You are right on the value (within reason) not making any difference.

As to the guy on the HAMB, that could have been me.
One thing I would like to mention, it was NOT a theory. It is etched in stone fact. It has to do with the laws of physics, inductive and capacitance reactance and resonance. (and I know you are aware of all that)
However, due to the necessary coil design we can "get away" with widely varying condenser values with only slight degradation of spark value and point life.
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Old 07-26-2021, 09:01 PM   #26
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IH-200 is a magneto condenser that works and lasts for years with
no point damage. Skip has sold hundreds of them. G.M.
No failures in 20 years.
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Old 07-26-2021, 09:25 PM   #27
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Are the “magneto” condensers polarity sensitive?
No. By necessity they have to be AC compatible, The mag has NO commutator so the primary puts out sine wave AC. Since this is an AC circuit, this accounts for the very low to no pitting of the points.
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Old 07-29-2021, 11:14 AM   #28
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Default Re: Condenser

If I take the original condenser and gut it and slid in a IH 200 and glue it………will it affect the performance of the new condenser ? I just happen to have a small aluminum cap that fits over the cut off end.

Thx…….Mike
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Old 07-29-2021, 01:08 PM   #29
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The glue will probably act as an insulator and may affect the operation of the condenser. You would be better off using conductive epoxy. It is used to attach electrical antennas etc. to car windows. I got some from Amazon.

The bottom line is that if it works, it works; if it doesn't, well you tried. I'll guess it's dependent on the amount of glue used and the relative sizes of the cases.

Last edited by tubman; 07-29-2021 at 01:20 PM.
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Old 07-29-2021, 01:21 PM   #30
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If I take the original condenser and gut it and slid in a IH 200 and glue it………will it affect the performance of the new condenser ? I just happen to have a small aluminum cap that fits over the cut off end.

Thx…….Mike
You have to be very careful if you solder it not to get it to hot. G.M.
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Old 07-29-2021, 01:24 PM   #31
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Tub and GM ……. Just cut the original open and in the process I cut my thumb. Blood everywhere. More later !
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Old 07-29-2021, 02:08 PM   #32
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I don't think blood is going to improve it one bit!

Hope it's not serious.
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Old 07-29-2021, 03:53 PM   #33
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Seery…..you’re a funny guy ! Got it all mopped up and a couple bandages. Geez….

Got the new condenser into old housing without glue and snapped on the cap. Will install later and see how it goes. That’s providing I don’t need stitches !

Mike
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Old 07-29-2021, 04:06 PM   #34
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Without something to ensure consistent contact between the new condenser and the old housing, you might see some intermittence. Could you jam enough aluminum foil in there to ensure good contact?

Hope the finger gets better.
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Old 07-29-2021, 06:57 PM   #35
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The finger will heal up but will the condenser work?
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Old 07-30-2021, 01:54 PM   #36
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Default Re: Condenser

Guys no matter whose condensor you use IT MUST HAVE A GOOD ENGINE GROUND !!!
the vertex unit uses a internal soldered ground ???
I use the .36mfds spec and have never seen a defective one ......
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Old 08-01-2021, 10:23 AM   #37
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Finger is healing but I can't believe the amount of blood ! Geez....

Got every inserted in the original canister but would not start. Took it out.....hooked up the new condenser and bang....started right up and runs as smooth as glass !

Thx
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