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rfuerst911sc |
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Advanced Member ![]() ![]() ![]() ![]() Group: Members Posts: 2,158 Joined: 4-May 06 From: Dahlonega , Georgia Member No.: 5,980 Region Association: South East States ![]() |
I just ordered some Clewett spark plug wires for the six and I'm going to change the plugs at the same time. Ignition rotor and cap are only 6 months old. Engine is a stock internal 3.0 with Weber carbs and Mallory multi spark ignition. All my records are still in moving boxes and I haven't pulled the old ones yet so what are the recommended plugs/heat ranges for street driving ? I generally like NGK standard copper plugs but have run copper Bosch in the past. Thanks and happy new year (IMG:style_emoticons/default/beerchug.gif) .
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ME733 |
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#2
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Senior Member ![]() ![]() ![]() Group: Members Posts: 842 Joined: 25-June 08 From: Atlanta Ga. Member No.: 9,209 Region Association: South East States ![]() |
...I wish their was an absolutely clear deffination for the ..R...plug designation., but generally the ..R... designation means a Retracted TIP....this would give you some extra clearance if using high compression pistons., generally the ...R..designation is on plugs with a colder than "stock" heat range., In my opinion all engines run better with the Hottest spark plug heat range the engine can tolerate before "signs of detonation " or "overheating" of the plug occur.
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