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| ruddyboys |
 Jun 8 2017, 05:25 AM
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#1
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Hummel eigentümer  Group: Members Posts: 595 Joined: 3-March 04 From: Monroe, NY Member No.: 1,749 Region Association: North East States  |
Have to change spark plugs this weekend. I went to 3 FLAP and none of them carry Bosch W7CC. They have the usual AC Deelco, NGK, champion etc. Are any of these any good or should I stick to the Bosch? If Bosch is the best bet, who has the best price and shipping?
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| Mark Henry |
Jun 9 2017, 07:29 AM
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#2
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
Bosch or NGK only, the reason for not using champion is they have straight cut threads which will gall the aluminum and strip out the threads.
Only use copper core plugs, don't use platinum, etc., in an aircooled engine. Bosch or NGK (also Beru) have rolled threads that are aluminum friendly. |
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| Elliot Cannon |
Jun 9 2017, 09:33 AM
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#3
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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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QUOTE(Mark Henry @ Jun 9 2017, 06:29 AM)  Bosch or NGK only, the reason for not using champion is they have straight cut threads which will gall the aluminum and strip out the threads. Only use copper core plugs, don't use platinum, etc., in an aircooled engine. Bosch or NGK (also Beru) have rolled threads that are aluminum friendly. Good advice. Now if I could just remember what plugs I used last time. (IMG:style_emoticons/default/dry.gif) (IMG:style_emoticons/default/smoke.gif) |
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