 Spark plug, advice |
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| Elliot Cannon |
 Oct 2 2013, 06:01 PM
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#1
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914 Guru  Group: Retired Members Posts: 8,487 Joined: 29-December 06 From: Paso Robles Ca. (Central coast) Member No.: 7,407 Region Association: None 
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Just got new plugs for my 2.2 liter type 4. New plugs on the left. WR7cc+. The old plugs WR7dc+, have a longer electrode that sticks into the combustion chamber further. Can anyone tell me if the shorter electrode will have any effect on the engine? The old plugs were made in Brazil and the new ones in Russia. (IMG:style_emoticons/default/WTF.gif)
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| SLITS |
Oct 2 2013, 10:24 PM
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
Can't tell you until I see if the heat range of the plug is different. It's to late tonight to go looking for a heat range chart.
Initially, the only effect is to lessen the chances of the piston hitting the plug, but you didn't have that problem anyway. Perhaps the longer electrode provided for better ignition of the fuel/air mix in the combustion chamber. Maybe the Russians are just shorter by nature so they make things shorter. |
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Posts in this topic
Elliot Cannon Spark plug Oct 2 2013, 06:01 PM
kg6dxn Really you should pull a head and see how the plug... Oct 2 2013, 10:36 PM Eric_Shea Both 7's as far as heat range goes.
CC is 1m... Oct 3 2013, 07:19 AM 72hardtop Bosch are crap these days...India, Russia, China, ... Nov 11 2013, 02:17 PM The Cabinetmaker plus 1 on the ngk.
Looks like your running very r... Nov 11 2013, 03:07 PM
Elliot Cannon
plus 1 on the ngk.
Looks like your running very ... Nov 11 2013, 03:39 PM Cap'n Krusty CC is correct for 914s (as well as 911s), extended... Nov 11 2013, 05:12 PM |
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