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Flex pipe ?

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Old Sep 13, 2024 | 08:20 AM
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Exhaust manifold studs torque to 11 ft lbs
Exhaust manifold nuts 10 ft lbs
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Old Sep 13, 2024 | 08:30 AM
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Originally Posted by Oldblue
Exhaust manifold studs torque to 11 ft lbs
Exhaust manifold nuts 10 ft lbs
I torqued them to 10.5 ft.lbs…..ran thru sequence twice. Guess I will check it after little run time.
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Old Sep 13, 2024 | 08:54 AM
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You shouldn’t have to if there’s loctite on the threads
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Old Sep 13, 2024 | 09:22 AM
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You don't want to crush the gasket, that is why the spec is low.
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Old Sep 13, 2024 | 09:23 AM
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Originally Posted by Oldblue
You shouldn’t have to if there’s loctite on the threads
the nuts on mine are mechanical locking
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Old Sep 13, 2024 | 09:26 AM
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Originally Posted by donbrew
You don't want to crush the gasket, that is why the spec is low.
I figured maybe to keep from over stressing the studs from heat expansion.
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Old Sep 13, 2024 | 10:38 AM
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The gasket is a 3 layer metallic type not a fiber type. If you crush it you ruin it.
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Old Sep 13, 2024 | 11:00 AM
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Originally Posted by Gearhead1
the nuts on mine are mechanical locking

I was talking about the studs with loctite
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Old Nov 17, 2024 | 08:43 PM
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Well…
you were right….the cheap CAT was junk…about 2xxx miles at p0420 came back so….got new flex pipe….had my muffler shop buddy to weld it up to old CAT….in the weld jig I built….fit good, ….no more p0420


Originally Posted by
PulpFriction;950677
Don't give up the OEM cat if you don't have to. The replacement will either cost a lot or die young.
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Old Nov 18, 2024 | 07:19 AM
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Thanks for the update!
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