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UNYboater's Avatar
 
Join Date: Jun 2005
Location: 1000 Islands, NY
Posts: 196
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Will low back-pressure ON JUST ONE BANK be bad...

...for a 30 mile drive to my friend's shop to repair the exhaust bolts I broke over the weekend? (Sorry about shouting!)
Two of the three studs at the bottom of the exhaust manifold snapped off as I was replacing the axle this weekend. I don't have a torch at my place but my friend said I can stop over tomorrow & we'll take care of them. It's loud but that doesn't bother me; I'm only worried about doing damage. The issue is that it will be about a 30 mile run with a small gap between the triangular flanges. The pre-cat (I believe that's what is built into the exhaust manifold) would be the only thing providing back-pressure on the driver's side. Is that bad for anything involved? Engine, valves, the pre-cat itself, etc.?

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2001 Boxster 'S' : even my motorcycle was a 'Porsche', '03 Harley V-Rod
1997 Boxster Base; my (former) DD, now resting in peace
1998 BMW 323iC; my son's DD.....now sold
1985 (early) 944; gone now, but not forgotten
1974 Fiat X-1/9; my first mid-engine car
Old 06-23-2014, 10:51 AM
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You're not going to hurt anything.
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Tom Coradeschi
03 Boxster
Old 06-24-2014, 05:31 PM
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Quote:
Originally Posted by tcora View Post
You're not going to hurt anything.
I had no problems, not even a CEL. I was actually expecting it to throw some kind of emissions code but there was nothing! All good & the complete axle replacement cost me less than $150, including replacing the three studs on the exhaust flange.

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2001 Boxster 'S' : even my motorcycle was a 'Porsche', '03 Harley V-Rod
1997 Boxster Base; my (former) DD, now resting in peace
1998 BMW 323iC; my son's DD.....now sold
1985 (early) 944; gone now, but not forgotten
1974 Fiat X-1/9; my first mid-engine car
Old 06-26-2014, 06:12 PM
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