HEI capacitor

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Jul 13, 2005 | 10:02 AM

ULTM8Z

Thread Starter

Melting Slicks

Joined: Jul 2005

Posts: 2,200

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HEI capacitor

Hi folks, new to the board.

Question: Has anyone here ever had the little HEI capacitor blow out? What were your symptoms (besides radio noise)? Did you figure out what caused it?

Engine is a MiniRammed ZZ4.

Thanks.

Jul 13, 2005 | 10:54 AM

VAHROOM

Burning Brakes

Joined: Apr 2000

Posts: 980

Likes: 2

From: Chandler AZ

Though I haven't had this issue, I wanted to say welcome to the board. I would imagine if the capacitor did go open, it could cause radio noise and possible damage to the module from spikes it is supposed to supress.

Once again, welcome to the board.

Jul 13, 2005 | 05:49 PM

Dougs 90

Burning Brakes

Joined: Feb 2003

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From: Rolla Mo

Cant help you there but I have to ask, how do you like that miniram on the ZZ4?

Thanks,
Doug

Jul 13, 2005 | 10:17 PM

ULTM8Z

Thread Starter

Melting Slicks

Joined: Jul 2005

Posts: 2,200

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Love the MiniRam. At least when the engine was running right.

Jul 14, 2005 | 09:48 AM

Dougs 90

Burning Brakes

Joined: Feb 2003

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From: Rolla Mo

Wich MiniRam are you using and what cam?

Thanks,
Doug

Jul 14, 2005 | 10:02 AM

tjwong

Le Mans Master

Joined: Jan 2003

Posts: 8,596

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From: Portland Oregon

Quote:

Originally Posted by ULTM8Z

I was working for GM when the HEI system was introduced. Since then I have only seen on instance of that cap going bad. All that happened to that particular car was noise in the radio. In that case, the cap was just bad, it didn't physically come apart.

Jul 14, 2005 | 07:03 PM

ULTM8Z

Thread Starter

Melting Slicks

Joined: Jul 2005

Posts: 2,200

Likes: 302

I've heard claims that the car won't run at all, all the way to that the car can run fine without it. Is there a way to test the thing to see if it's bad?

I'm running the MiniRam I with a comp cams 212°/218° roller and AFR 180 cc heads.