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Old 10-25-2004, 00:55   #1 (permalink)
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Autolite Plugs BOOOOOOOOO

Hi everyone i fitted some of JMMs Autolite spark plugs to my 4.0L Au2 thismorning and drove it around a fair bit and my car now runs like a go go mobile.It coughs and splutters and wants to stall everytime i stop at lights.The leads are all in the correct position and i tried disconnecting the battery for a period of time but nothing seems to work.
Has anyone else had trouble with these plugs not working? BTW im about to fit some Bosch Super 4s and toss these autolites.
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Old 10-25-2004, 01:11   #2 (permalink)
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Re: Autolite Plugs BOOOOOOOOO

think u got some dud ones u sure there the right ones for ur au??? maybe they gave u the wrong ones becasue mine work like a dream : )
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Old 10-25-2004, 01:12   #3 (permalink)
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Re: Autolite Plugs BOOOOOOOOO

did you regap them, cause when I got mine they were outta whack cause they dont have the protective cardboard cylinder like those of NGK. Ive got the feeling that it will make a difference if you have a look.
Mine go like a dream too
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Old 10-25-2004, 01:20   #4 (permalink)
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Re: Autolite Plugs BOOOOOOOOO

Use the Denso plugs, they are cheap & excellent quality.

Zoom magazine did a spark plug test several years ago, the best was the Champion Gold, followed by Denso.

The Bosch 4 plugs are really only good for long life, the tips cause too much shrouding & loss of volume. But like I said they are long life.

By the way, autolite do have a bad reputation.
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Old 10-25-2004, 01:26   #5 (permalink)
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Re: Autolite Plugs BOOOOOOOOO

Thanx guys i pulled them out and they all looked fine except plug number 4 which had the tip smashed over,thus the reason why my car was running terribly.Now i gotta work out why this happened in only 1 cylinder.
Fitted the Bosch and they feel so smooth.
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Old 10-25-2004, 05:03   #6 (permalink)
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Re: Autolite Plugs BOOOOOOOOO

Have you spoken to Jim Mock about this before you came on here?
Ive been running these plugs for about 6 months with no drama's.
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Old 10-25-2004, 05:13   #7 (permalink)
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Re: Autolite Plugs BOOOOOOOOO

No i didnt.I ordered the plugs months ago but only just put them in thismorning.Im more worried now about why did only 1 plug hit the piston?
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Old 10-25-2004, 05:14   #8 (permalink)
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Re: Autolite Plugs BOOOOOOOOO

Quote:
Originally Posted by StevenAU2
Hi everyone i fitted some of JMMs Autolite spark plugs to my 4.0L Au2 thismorning and drove it around a fair bit and my car now runs like a go go mobile.It coughs and splutters and wants to stall everytime i stop at lights.The leads are all in the correct position and i tried disconnecting the battery for a period of time but nothing seems to work.
Has anyone else had trouble with these plugs not working? BTW im about to fit some Bosch Super 4s and toss these autolites.

Gee thats bad luck....Iwonder why that would happen??I have not used autolites but have bought iridium plugs from ford....these are the best plug in my opinion.Bosch are fine for a week ....but i noticed fuel economy was killed by bosch plugs..

Stav
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Old 10-25-2004, 05:18   #9 (permalink)
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Re: Autolite Plugs BOOOOOOOOO

Was it damaged before you put it in?
is it the same part number as all the rest?
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Old 10-25-2004, 05:25   #10 (permalink)
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Re: Autolite Plugs BOOOOOOOOO

Quote:
Originally Posted by StevenAU2
No i didnt.I ordered the plugs months ago but only just put them in thismorning.Im more worried now about why did only 1 plug hit the piston?
It doesn't take much to bend the tip on some plugs.

Did you let the plug drop into the plug hole?

I find the best way is to put a piece of hose on the end of the plug, then lower it in & screw away.

Very unlikely a piston hit the plug, unless the plug electrode & tip are longer than the original.
Have you measured the plugs?
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