Holley Hyperspark distributer

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May 3, 2024 | 01:35 PM

rcauchon

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From: St. Constant Quebec

Holley Hyperspark distributer

Hello, has anyone using the Holley EFI master kit or using their Hyperspark distributor ever experienced rush on the reluctor wheel or the reader ?
This has happened to me a few times, I get misfires and when I investigate I find plenty of rust under the distributor cap.
I have a 74 Corvette with the Holley EFI master kit, the car is stored in a Garage when it's not out, and in the winter I start the car and let it warm up to temperature every 2 weeks.
My garage is not humid so I don't know why this keeps happening.

Am I the only person experiencing this issue? Does anyone know what I can do other then clean it, put it back in and wait until the next time ?

Holley wants me to send them the distributor and said it will take between 4 to 8 weeks !!
I live in Canada, that's like almost half the driving season.

May 3, 2024 | 10:30 PM

ratflinger

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From: South of giving a damn

St. Jude Donor '11, '17

You sure there's not supposed to be an o-ring on that cap?

May 4, 2024 | 12:39 AM

doorgunner

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From: New Or-leens Loo-z-anna

That's some nasty rust/my non-original car distributor was 35 years old and didn't have 1/10th the rust that part has.

Rookie question.....Could the two different metals be reacting with each other.

May 4, 2024 | 06:29 PM

rcauchon

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From: St. Constant Quebec

Quote:

Originally Posted by doorgunner

That's some nasty rust/my non-original car distributor was 35 years old and didn't have 1/10th the rust that part has.

Rookie question.....Could the two different metals be reacting with each other.

It came out of the box that way, that's what I don't understand why there's rust on it.

May 7, 2024 | 03:31 PM

theandies

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Joined: Jun 2001

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From: Virginia USA

If Holley wants to look at it that may be a good thing and might lead to a new dizzy for you. I say go for it.

May 15, 2024 | 02:01 PM

rcauchon

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From: St. Constant Quebec

Quote:

Originally Posted by Tech141

Are you saying the disty came out of the box, new, with that rust?

No I installed it the way it came out of the box, so I don't know if it's missing a O-Ring seal.

May 15, 2024 | 02:05 PM

rcauchon

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From: St. Constant Quebec

I could send it in, but I'm from Canada and not sure how long it would take to get it back, I can't wait until August. I'll probably put back my original distributor with a Pertronix module.

Jul 19, 2025 | 11:39 AM

82Other

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From: Palm Coast FL

Quote:

Originally Posted by rcauchon

I could send it in, but I'm from Canada and not sure how long it would take to get it back, I can't wait until August. I'll probably put back my original distributor with a Pertronix module.

Hey any updates? This has happened to me twice. FIrst time I got a free one, second time (out of warranty) I had to buy one. It is doing it again. Conclusion: This is a KNOWN PROBLEM by both Holley and the company that makes these things but they have chosen to DO NOTHING about it! ALl that is required is some corrosion resistance on the reluctor wheel.

WHat will synch up to the Holley Sniper besides the Hyperspark?