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Dec 2, 2012 | 04:41 PM

#11

Spanners39

Seasoned HDF Member

Joined: Dec 2010

Posts: 7,736

Likes: 1,524

From: Coromandel Peninsula New Zealand

Quote:

Originally Posted by Uncle G.

.

I've never used anything else. Is there any advantage to using iridium plugs other than paying more money?

Better performance in every way and they last practically forever.

200.000 miles in my Nissan and sold it with them still in.

2 years in my FXDWG and never looked at them, if the bike hadn't got written off I dare say they would have lasted 10 years.

Dec 2, 2012 | 04:54 PM

#12

Double Trouble

Cruiser

Joined: Aug 2012

Posts: 248

Likes: 0

From: In a van down by the river-MD

NGK for all the bikes, AC delco for the vehicles. Champion plugs are garbage.

Dec 2, 2012 | 05:18 PM

#13

Jasper86

Road Captain

Joined: Sep 2012

Posts: 675

Likes: 32

From: Massachusetts

brainfart!

you're correct. E3.34 is correct. editing my previous post now so no one gets confused

Dec 2, 2012 | 06:54 PM

#14

Edster 69

Cruiser

Joined: Jan 2010

Posts: 134

Likes: 1

From: Toronto Canada

Thanks Spanners

Dec 2, 2012 | 07:24 PM

#15

Spanners39

Seasoned HDF Member

Joined: Dec 2010

Posts: 7,736

Likes: 1,524

From: Coromandel Peninsula New Zealand

This is a very useful site.....works best if you sort by engine size.

http://www.ngksparkplugs.com/part_fi...es/default.asp

Dec 3, 2012 | 03:02 AM

#16

Doug S

Road Master

Joined: Apr 2009

Posts: 1,123

Likes: 43

From: NJ

Autolite copper # 4164, They work good, last long and cost little. You won't see any real increase in power by just changing plug types on a fairly stock engine.

Ds

Dec 3, 2012 | 08:33 AM

#17

hotrod351

Road Warrior

Joined: Sep 2005

Posts: 1,569

Likes: 12

From: Arizona

my bike came with Champion RN12YC and ill stick with them. never had any problems.

Dec 3, 2012 | 09:54 AM

#18

Hillsidecycle.com

Sponsor

Joined: Dec 2007

Posts: 12,084

Likes: 829

We've used nothing but NGK BPR5ES-11's here for years.
We've also back/back tested plugs here on our dyno.
Yet to see anthing that would need for us to sell anything other than the NGK's.
Scott