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Old 10-17-2009, 11:29 AM   #1 (permalink)
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torque specs on install?

install on a 07 night train, need to know torque on pipe bolts and o2 sencer.if any body can walk me though this pipe install it would be a much needed helping hand.
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Old 10-17-2009, 12:19 PM   #2 (permalink)
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Where the pipe meets the head, I generally snug the top bolt finger tight. Then tighten the lower bolt to about 10 ft/lbs, then go back up and torque the top nut to 60-80 inch lbs. Warm engine and retorque both later after it's cool again, or a day or two later.

Just tighten the muffler clamps. They have blocks in them, so you can only make them so tight. The actual spec is 45-60 ft/lbs.

As for the O2 sensor....about as tight as you'd make a spark plug: 18-22 ft/lbs. I'd lean more towards the 22 ft/lbs as it's steel on steel, unlike a spark plug which is steel threads in aluminum. Use common sense.....

Invest in a factory manual. It's the best $60 you'll ever spend.
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Old 10-18-2009, 08:21 AM   #3 (permalink)
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thanks
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