Spark plugs for the 3L - Alfa Romeo Bulletin Board & Forums
 
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post #1 of 4 (permalink) Old 07-04-2005, 04:59 PM Thread Starter
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Spark plugs for the 3L

Hi Everyone,

I was wondering what was the conscensus on what is the best spark plug for a 3L?

I tried the Bosch platinum but heard thhat ran the engine hotter. Someone told me once about some Golden Lodgges, which is what I think Alfa recommended originally.

Just wondering since the crappy ones in my car are failing left and right?

Nick

1 Alfa Spider 1974
1 1989 (last imported) 3L Milano in the US!!!
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post #2 of 4 (permalink) Old 07-06-2005, 07:35 PM
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Plugs

There are strog opinions on this subject. I ahve run Bosch +4s and I liked them, but there service life is very limited. I have AC Delcos in there now and at 1/3 the price, they work fine.

Go figure.

Currently Owned:
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post #3 of 4 (permalink) Old 07-06-2005, 08:10 PM
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Autolite, Champions or AC Delco work fine and price is right. I use 415 Champions (RN9YC) set at .028" in my 91 164B and have for about 150,000 miles. Alfa even put them in the 164 in model year 91 and calls them out in owner's manual for later 91 models. Shop manual on page 05-16 calls for Champion RN7YC but I find one heat range hotter RN9YC (415) work better for normal daily driving with some oil consumption.

Ciao, Alfisto Steve
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post #4 of 4 (permalink) Old 07-07-2005, 07:30 AM Thread Starter
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Thanks Guys,

I'll try them one by one.

Nick

1 Alfa Spider 1974
1 1989 (last imported) 3L Milano in the US!!!
To view links or images in signatures your post count must be 0 or greater. You currently have 0 posts.

Former 1 2.5 Milano
Former 3 AlfaSud Sprint 1983 (all 1.5L)
Former 1 Alfeta 2L 1984

Gizmo 33nicolas
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