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11-15-2011 | 08:08 PM

#31

tomtbone1993

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Joined: Sep 2003

Posts: 15,491

Likes: 7

From: LAKE CONROE, TX

Here is a great website I use to cross auto parts vs. marine parts....

http://kalecoauto.com/index.php?main...products_id=10

11-15-2011 | 08:21 PM

#32

In The Pink

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Joined: Jul 2008

Posts: 305

Likes: 0

From: Cinnaminson, NJ

Ngk

11-16-2011 | 01:28 AM

#33

Griff

Charter Member # 55

Joined: Oct 2000

Posts: 20,249

Likes: 2,497

From: Omaha/LOTO

Quote:

Originally Posted by US1 Fountain

Used both AC's Rapid Fires and the MR43's and also NGK's. Seen no difference.

Agreed.

The only time I saw any difference was on an engine that ran a little rich at idle. The small pointed tip on the Rapid fires kept them from fouling.

11-16-2011 | 04:23 AM

#34

GLH

Platinum Member

Joined: Dec 2002

Posts: 15,270

Likes: 21

From: Burlington, VT

We change plugs so often I wish they had time to rust in place.....

11-16-2011 | 07:08 AM

#35

s022mag

Thread Starter

Registered

Joined: Jan 2008

Posts: 1,361

Likes: 7

From: Delaware, OH

Quote:

Originally Posted by antisocial

Im alittle lost here so you say there was a water problem in # 7 and you ran it and you didnt feel any diffrence in the way it ran ? The only way you found it is that somebody told you it had the wrong plugs in it at a later date ? What am I missing.... plugs are plugs as long as they are the right heat range and lenght---sp... You should w d 40 some more and you wont have a rust problem

I just bought the boat this summer, at some point in the boats life water had leaked onto the plug prob from a leaky riser gasket which caused the plug to rust apart. Not a leak on the inside.

11-17-2011 | 10:01 AM

#36

Offshore Dreamer

Registered

Joined: Jul 2009

Posts: 88

Likes: 16

From: Locust Valley, New York

Try running these special plugs the next time you do a tune up.

I heard they are the best!

http://www.youtube.com/watch?v=7upVkCelYoA

11-17-2011 | 07:16 PM

#37

kilrbusa

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Joined: Aug 2007

Posts: 422

Likes: 0

its not bad to put anti-seize on the threads to aviod the rust from frezzing the plug in the head, but of utmost importance is not to get it on the electrobe of the plug as to come in contact with the combustion. also it helps that some testostrone fill mechanic doesnt over tighten them!!!!