Darrell---I read years ago that "spark plugs need only be tightened so they
don't fall out". I have followed this method without a problem. (Test with a
running engine and a soapy water solution, if in doubt). OK, that really
doesn't mean just finger tight, but more like the torque one might get from
using a 1/4 inch drive ratchet and a one-handed twist.
It's good to be sure there's no sand has found it's way onto the plug surface
in the head. I blow out the area out beforehand.
Dick
Dick
-----Original Message-----
From: TR250Driver@aol.com
Sent: Sunday, February 22, 2009 11:40 AM
To: 6pack@autox.team.net, triumphs@autox.team.net
Subject: [6pack] Spark plug torque
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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