[TR] [6pack] Spark plug torque

[Bud Rolofson]

I always torque my plugs to 20 ft lbs.  I like not having to worry  
about making them tighter than they need to be or stripping the  
threads.  One less thing that could be an issue that way.

Most of my erratic running/idling issues got cured by replacing the  
ignition (Petronix and MSD) and the distributor (Mallory).  The other  
idling issue (caused by a bit of fuel surging) got cured by using a  
fuel pressure regulator.

Bud Rolofson

71TR6 CC57365 (Good 6)
66TR4A CTC57806 (The Wreck-Almost parts)
66TR4A CTC57529 (The Project)
71F-250 Camper Special (Triumph Support Vehicle)
Z-50A Hardly Davidson 1977 Honda Mini-Trail Bike (Triumph Pit Bike)
levilevi at comcast.net




On Feb 22, 2009, at 12:40 PM, TR250Driver at aol.com wrote:

> Hey Guys,
> How many of you torque your spark plugs to the specified 20 ft.  
> lbs?   Before
> today I have to admit that I never have done that.  Since the age  
> of  14 or
> so I have always used the grunt torque method for this task.  Age  
> has  now
> weakened my grunt too no doubt.
>
> Today whilst installing a fresh set of Bosch  Platinum Plus plugs  
> in  the TR6
> I noticed a diagram on the box that showed a wrench that indicated   
> 21 ft
> lbs. torque. OK so I got my Snap On out and set it at 21.   Whoa,  
> that's tight.
> Drop back five and punt dude before you screw it  up!  That's way  
> tight for my
> grunt.  But dang right there in the  official Triumph TR6 Repair  
> Operations
> Manual is a setting for 20 ft  lbs. for spark plug attachment. I  
> guess that's
> right?
>
> Do you suppose this is why all my Triumphs seem to have lean running
> decease?  No way, this can't be that important. I for sure have  
> never  tightened
> plugs this tight. Also since I am always fooling around, I am  sure  
> that I am
> crushing that compression washer several times that should only  be  
> crushed once,
> correct? Old wives tale?
>
> Cheers,
> Darrell
>
>
>
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