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Jul 8, 2008 | 09:17 AM

steve r

Thread Starter

2nd Gear Member

Joined: Oct 2007

Posts: 297

From: longisland, new york

spark plugs

Iam using autolite platinums now and people say not to, so autolite 24's good? and gapped to .042?

Jul 8, 2008 | 09:42 AM

steve r

Thread Starter

2nd Gear Member

Joined: Oct 2007

Posts: 297

From: longisland, new york

RE: spark plugs

or what about motorcraft plugs?

Jul 8, 2008 | 11:13 AM

HACKGT350

6th Gear Member

Joined: Jan 2006

Posts: 6,635

From: new jersey

RE: spark plugs

autolite 24's are alright platinum will burn up way to fast in your engine. motorcraft is very good i have had very very good luck with ngk plugs

Jul 8, 2008 | 11:20 AM

steve r

Thread Starter

2nd Gear Member

Joined: Oct 2007

Posts: 297

From: longisland, new york

RE: spark plugs

I just picked up motorcraft coppers.. Whats the best gap for a mostly stock 5.0? I know .054 is what the book says

Jul 8, 2008 | 11:32 AM

HACKGT350

6th Gear Member

Joined: Jan 2006

Posts: 6,635

From: new jersey

RE: spark plugs

gap it to what the book says

Jul 8, 2008 | 11:37 AM

steve r

Thread Starter

2nd Gear Member

Joined: Oct 2007

Posts: 297

From: longisland, new york

RE: spark plugs

the book also says platinum so i was thinking the gap is different too

Jul 8, 2008 | 12:29 PM

camaroeater

4th Gear Member

Joined: Oct 2007

Posts: 1,219

From: Phoenix, AZ

RE: spark plugs

I gapped my autolite coppers to .050". I'm gonna gap at 052"...between the different gaps i hear of.

Jul 8, 2008 | 07:26 PM

mustangguy82

1st Gear Member

Joined: Oct 2006

Posts: 97

From:

RE: spark plugs

i was told by this guy that came to my shop to use ngk racing seriesr5671a-7 for aluminum heads i am going to buy a set this weekend and see how they work

Jul 8, 2008 | 10:18 PM

steve r

Thread Starter

2nd Gear Member

Joined: Oct 2007

Posts: 297

From: longisland, new york

RE: spark plugs

When I first got the car they were gapped at .042 then I changed them to .054 with platinums now im gunna change them to coppers and im not sureif i should use .042 .045 or .054