Spark Plug Washers

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Feb 1, 2010 | 05:49 PM

Lemans Blue 69

Thread Starter

Racer

Joined: Jan 2010

Posts: 348

Likes: 2

From: Lowell MA

Spark Plug Washers

Picked up a new set of AC44S Plugs. Not made anymore. Installing them in my 1969 L46. The washer comes with the plug but not on it. Looking at it carefully, one side has a slightly larger diameter than the other. Which side faces the head. You probably will say it doesn't matter but I need to be sure. Why would they make them that way. I had to pull the shields to get to the plugs and it is time comsuming. Just want to do it right.

John

Feb 1, 2010 | 07:53 PM

bobs77vet

Race Director

Joined: Sep 2004

Posts: 11,874

Likes: 263

From: Arlington Va Current ride 04 vert, previous vettes: 69 vert, 77 resto mod

i dont think it matters. you are probably seeing a manufacturing effect instead of an engineered part.

Feb 1, 2010 | 08:20 PM

wombvette

Le Mans Master

Joined: Jan 2000

Posts: 8,918

Likes: 27

From: New Hill NC

Yes they have always been made that way. I dont think it really matters, but I put them on with the larger side to the plug.

Feb 1, 2010 | 08:31 PM