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Platnum plugs and forced induction?? Don't mix.. 


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Posted: Sat Sep 03, 2005 12:27 am 
Parts Gopher

Posts: 59

Joined: 14th Jun 2005

Ride: EB

Location: sydney
NSW, Australia

Platinum plugs are crap...They foul quickly
Iridiums arent that bad but require s perfect tune.
Posted: Mon Sep 05, 2005 2:00 am 
Getting Side Ways
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Age: 64

Posts: 3552

Joined: 7th Nov 2004

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Power: 482 rwkw

Location: Penrith
NSW, Australia

4.9 EF Futura wrote:
Yikes!! Based on the above, you'd reduce the gap by about .034" or 0.8mm....

So if standard gap was 1.1mm you'd be running a gap of 0.3mm.... but that sounds a bit extreme. Not sure if a car would idle with that gap... Suggest you ask your tuner what was done... thoughts EBXR8380???

Also would be 3 heat ranges cooler...

Do your plugs foul up if not boosting much?

Yep thats the general rule from NGK, but I guess they are on the safe side.. Remember a 1600 or 2000 engine would require this ..My old Kent engine 1600 run N7's and std was N9's...Big engines with small bores like Falcon 6's are not as crucial...I was talking heat range not plug gap..On forced motors with std ignitions plug gap needs to come down alittle or flow will blow spark out...Look at plug gaps on S/C V6 Holden..



As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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