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11-27-2014, 01:18 PM | #41 |
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Re: Spark plugs
Billy how much do you attribute the difference to them possibly being a different heat range than an iridium plug? A friend had a zz502 crate when we changed from rapidfire [a multiple heat range]
to ngk copper the car also slowed down. The interchanges between different companys dont always match correctly.Also the rapidfires while I agree is a very good plug also has a v tipped ground strap which helps. Joe |
11-27-2014, 02:28 PM | #42 |
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Re: Spark plugs
I had a box sitting on the work bench in my dyno bay, nearly full of new or nearly new NGK spark plugs we had to pull out of customers cars to stop WOT misfires. They always said "I never heard it miss like that!" I would tell them they never stood near the tail pipes, while it was running wide open, in a tin building before. And that it needed fixed before I could tune it. Not all NGKs that came through there had a misfire problem, but I don't remember having to replace another brand of new plugs like that. About filled that box up before we shut the shop down.
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Ed Wright 4156 SS/JA |
12-02-2014, 02:30 PM | #43 | |
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Re: Spark plugs
Quote:
High Performance Ignition Packs Energy Paks are not to be confused with OEM/factory computers or simple add-on hot spark or multi-spark ignitions. Jacobs' computer controlled ignitions modify spark output in response to changing environment and running conditions. (US Patent #3,827,418). By tailoring spark voltage, duration and phase angle for each cylinder on every power stroke, all Jacobs Electronics' computer-controlled ignition systems are guaranteed to improve performance, gas mileage, engine life and lengthen intervals between tune-ups. I've not run one of their ignition packs but did install their version of a rev limiter in my first car. Currently have a 6AL for that purpose. |
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12-04-2014, 01:31 PM | #44 |
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Re: Spark plugs
Has anybody tried the E3-spark plugs in a race engine. I know they made a big improvement in my street cars.
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12-04-2014, 02:36 PM | #45 | |
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Re: Spark plugs
Quote:
My next order from Summit will include a set of the RapidFire plugs recommended by Alan previously in this thread. I'll see how they burn in my 302 Ford. Dale |
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12-04-2014, 04:21 PM | #46 |
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Re: Spark plugs
we are trying the e3 plugs now in a fox body and so far no issue and car is running the best it has they are a little pricey though
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