2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

Question About Switching Exhaust Manifolds

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Old 09-13-2007, 09:59 PM
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Question About Switching Exhaust Manifolds

Does anyone know if the stock exhaust manifold to block gasget is reusable becauuse i just bougt a ZZPerformance header and downpipe that i want to install tommorow but it didn't come with that gasget. Also does anyone know the torque specs for the bolts that attach the header to the block?
Old 09-13-2007, 10:30 PM
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Yes, it is a MLS reuseable gasket.
Old 09-13-2007, 10:32 PM
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^^^Awesome thanks for the help. Do you know the torqe specs for the bolts? Also are there any special break in procedures for new cats?
Old 09-13-2007, 10:38 PM
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Exhaust Manifold to Cylinder Head Nut
12 N·m
106 lb in

Exhaust Manifold to Cylinder Head Stud
10 N·m
89 lb in

Exhaust Manifold Pipe Flange Stud
16 N·m
12 lb ft

Exhaust Takedown Pipe Nuts
30 N·m
22 lb ft
Old 09-13-2007, 10:53 PM
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subscribing so I have the tq specs. I love tq specs
Old 09-13-2007, 10:53 PM
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Originally Posted by NGalaxyTimmyo
subscribing so I have the tq specs. I love tq specs
ya im glad i read this! i didnt kno u had to torque the exhaust mani bolts...

subsribed
Old 09-13-2007, 11:17 PM
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Originally Posted by Stl06LS
Exhaust Manifold to Cylinder Head Nut
12 N·m
106 lb in

Exhaust Manifold to Cylinder Head Stud
10 N·m
89 lb in

Exhaust Manifold Pipe Flange Stud
16 N·m
12 lb ft

Exhaust Takedown Pipe Nuts
30 N·m
22 lb ft
Thanks for the specs I really appreciate it. I even gave you some rep for helping me. Do you know if there is any special break in procedures for new catalytic converters?
Old 09-13-2007, 11:31 PM
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Originally Posted by BlackLS
Thanks for the specs I really appreciate it. I even gave you some rep for helping me. Do you know if there is any special break in procedures for new catalytic converters?
nope, no break in for cats
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