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Join Date: Apr 2009
Location: edgewater, co
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Best Sparkplugs

I am in the middle of building a 70' 2.5 liter 10.5 to 1 engine. I am also running twin plugs. I have done some searching but i haven't found my answer. Is there a recomended Sparkplug I should be using to get me started? This motor will be running on 40ida Webbers as well.

Old 03-08-2010, 03:19 PM
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Join Date: Apr 2004
Location: Fallbrook, Ca. 92028
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The plug we start every twin plug, performance engine with is an NGK BKR6EKUB.
This plug has many benefits including
medium heat range (good starting point)
Small electrode protrusion (better high dome piston clearance)
dual electrodes (long life)
16mm hex (superior clearance for connector)
Availability is good
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Old 03-08-2010, 06:22 PM
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perfect! exactly what i was looking for!
Old 03-08-2010, 07:02 PM
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Join Date: Sep 2004
Location: Woking, McLaren-land
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Henry - are these plugs recommended for just twin plug only applications?

I have a 3.4 running at 10.45:1CR on single plug

SP
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1987 Carrera, Granite Green
Old 03-09-2010, 01:56 AM
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Shirish, great article in PW!!

Kudos!
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Old 03-09-2010, 02:05 AM
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Quote:
Originally Posted by Geronimo '74 View Post
Shirish, great article in PW!!

Kudos!
Thanks dude!

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1987 Carrera, Granite Green
Old 03-09-2010, 02:31 AM
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