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what spark plugs in au engine? 


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Posted: Fri Nov 03, 2006 9:36 pm 
Parts Gopher

Age: 32

Posts: 95

Joined: 22nd Jan 2006

Ride: Falcon XR6

Location: Brisbane
QLD, Australia

richard williams wrote:
what about gas?
I tried bosch super 4's with a noticable improvement on my EF on GAS anyone else?

Tried the super 4's on my XR.

Waste of time and money.
Posted: Sat Nov 04, 2006 7:58 am 
Getting Side Ways
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Posts: 2644

Joined: 6th Nov 2004

Gallery: 8 images

Ride: 2007

Location: Mount Annan
NSW, Australia

I have the Super 4's in my LPG AU motor and I have no problems, I don't think I would put them in again as I don't see any gain in using them. I got them because I like the idea of redundant spark paths with LPG and wasted spark, it needs to fire first time and every time.



BF Fairmont Ghia Series II update.
GQ XR6T ghia patrol.

_( o ) )_____( o ) )=o=) )__

Posted: Sat Nov 04, 2006 8:35 am 
Getting Side Ways
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Age: 40

Posts: 1780

Joined: 31st Jan 2005

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Ride: 07 BF mk2 E-gas wagon + eb 5.0

Power: 174 rwkw

Location: Adelaide
SA, Australia

i reckon super 4's are a bit of a gimic as the spark will always go the shortest path, so unless the electrodes are all gapped the same it will always use the same one.

gas is much more critical to have a good spark all the time. i'm pretty sure you need a colder plug compared to petrol. wrong heat range plugs in a gas car will foul up a lot quicker, cause pinging and also contribute to backfiring.



eb v8: low loud and fast. just how a v8 should be. i guess the big question is, is it fast enough...

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