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05-23-2020, 07:30 AM | #1 |
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Modern distributor cap
Is there a difference in performance of the modern style distributor cap and wires versus the original cap and bronze spark plug connectors?
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05-23-2020, 07:41 AM | #2 |
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Re: Modern distributor cap
Quite a bit of difference. With the modern cap the engine won't misfire when it gets wet, modern wires won't emit huge amounts of RFI when the car is running.
Frank |
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05-23-2020, 09:27 AM | #3 |
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Re: Modern distributor cap
But the modern caps just dont look right to me.
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05-23-2020, 09:42 AM | #4 |
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Re: Modern distributor cap
I prefer the original distributor cap , first for the original look . The gaps can be measured between the rotor tip and the 4 contacts in the distributor cap . The 4 contacts can be filed for equal gaps at all four contacts in the original cap . I consider equal gaps as part of a tune up . I prefer a gap of .035 between the rotor tip and the contacts in the cap for equal and hotter spark at all cylinders . Measuring gaps at the rotor tip isn't possible with the modern style distributor cap .
Last edited by Purdy Swoft; 05-24-2020 at 05:41 PM. |
05-23-2020, 11:19 AM | #5 |
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Re: Modern distributor cap
Thanks guys. I agree with the original look and honestly I hadn’t thought about the ability to check and adjust the gaps. If there is/was a significant performance increase, I was thinking about going with the modern cap and wires. Stay safe.
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05-23-2020, 12:06 PM | #6 |
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Re: Modern distributor cap
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05-23-2020, 12:12 PM | #7 |
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Re: Modern distributor cap
Just thinking,,, if electricity travels at roughly 11, 628 inches per second how long does it take for the spark to jump .025 or .035?
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05-23-2020, 01:38 PM | #8 | |
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Re: Modern distributor cap
Quote:
While it is possible to measure and adjust air gaps with the original model A or B distributor caps, I don't see how measuring air gaps would be possible with a modern style distributor cap . Air gap distance won't make a day and night difference in performance but there does need to be air gaps for the spark to jump . Ford recommended gaps of twenty five thousands at the rotor tip . More gap to a certain point will increase spark intensity . I set mine at thirty five thousands . I believe that equal size air gaps at the rotor tip will send equal spark to each cylinder for better performance . |
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05-23-2020, 02:09 PM | #9 |
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Re: Modern distributor cap
I like putting a clear distributor cap on the distributor body. At night the little ones like to see the "sparklers". You can't do that with a modern distributor cap.
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05-23-2020, 04:58 PM | #10 | |
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Re: Modern distributor cap
Quote:
Sort of like painting the engine red - proven to make the car go faster. Joe K
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05-23-2020, 05:00 PM | #11 |
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Re: Modern distributor cap
Who sells the modern style distributor cap and wires ?? Thank you !
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05-23-2020, 06:23 PM | #12 |
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Re: Modern distributor cap
Snyder's has them. https://www.snydersantiqueauto.com/P...-a/distributor
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05-24-2020, 09:50 AM | #13 |
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Re: Modern distributor cap
If the original style distributor cap body and cap was made as one part , you would lose the ability to measure and adjust the air gaps . I've used and found NO advantage to a modern style distributor cap when used with the original model A distributor .
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05-24-2020, 10:14 AM | #14 |
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Re: Modern distributor cap
No difference in performance.
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05-24-2020, 10:37 AM | #15 |
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Re: Modern distributor cap
Maybe no better but to use some heads like my Lion Speed, you have to go with the modern style cap and wires
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05-24-2020, 02:45 PM | #16 |
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Re: Modern distributor cap
Mikes was selling the “A” style cap that could be used with modern cables.
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05-24-2020, 04:34 PM | #17 |
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Re: Modern distributor cap
I have an original style cap and have driven long miles in the rain and never had an engine miss from the bronze spark plug connectors.
John
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05-24-2020, 08:36 PM | #18 |
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Re: Modern distributor cap
I have one of those on my engine. They are made by Renner’s Corner which is where I bought mine. Works / looks great. Best of both worlds??
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05-24-2020, 09:09 PM | #19 |
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Re: Modern distributor cap
Back in the '60's I had a clear modern cap. You could watch the rotor spin and points break.
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05-25-2020, 02:31 AM | #20 | |
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Re: Modern distributor cap
They just don't look the same.....
Quote:
And all the clear cap comments make me wonder how hard it'd be to make a mould and cast one in resin.
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