Sparkplug torque values

On Mon, 04 Jul 2005 12:06:06 +0200, Philippe
wrote:


Thanks for the information Philippe

Roger Halstead (K8RI & ARRL life member)
(N833R, S# CD-2 Worlds oldest Debonair)
www.rogerhalstead.com

Roger wrote:

I've spent the better part of an hour and a half on the net searching,
tried to get into the ABS site which appeared to be down, spend
several hours searching through what manuals I have, but I couldn't
find the torque required for the spark plugs in an IO-470N.

For all sparks

diameter
18mm
- in steel : 34-45N.m / 3.5-4.5kg.m / 25.3-32.5lb.ft
- in Al alloy: 35-40N.m / 3.5-4.0kg.m / 25.3-28.9lb.ft

14mm
- in steel : 25-35N.m / 2.5-3.5kg.m / 18.0-25.3lb.ft
- in Al alloy: 25-30N.m / 2.5-3.0kg.m / 18.0-21.6lb.ft

12mm
-in steel : 15-25N.m / 1.5-2.5kg.m / 10.8-18.0lb.ft
- in Al alloy: 15-20N.m / 1.5-2.0kg.m / 10.8-14.5lb.ft

10mm
- in steel : 10-15N.m / 1.0-1.5kg.m / 7.2-10.8lb.ft
- in Al alloy: 10-12N.m / 1.0-1.2kg.m / 7.2-8.7lb.ft

8mm
- in Al alloy: 8-12N.m / 0.8-1.0kg.m / 5.8-7.2lb.ft