Re: 4 into 2 Exhaust Manifold

[Dan Bubb <jdbubb@ix.netcom.com>]

1. Don't know what you're planning to use for a downpipe, but the
aftermarket ones have very stiff flex joints, so I'd fix the stud.
2. You can test the O2 sensor by seeing if the duty cycle of the FI
oscillates with the engine warmed up and idling. Don't know of any way
to test it before hand. Since it's such a PITA to replace with the
manifold installed, I'd replace it or install your current sensor.
3. I wouldn't bother cleaning the inside since your engine's just going
to put more there anyway.
just my .02
Dan

Kervin Ridgley wrote:
> 
> I got a 4 into 2 exhaust Manifold today.  It was off of a 81 rabbit. 5 of
> the 6 threaded holes for the studs that hold the downpipe on are fine.  One
> of them is missing the first half of the threads.  The hole in question  is
> the lower one in the middle of the three.
> 1.  Do you think all will be fine to use it the way it is?
> 2.  Is there a way to test the o2 sensor that is on it?
> 3.  Should I and what do I use to clean the inside of the black carbon
> stuff?
> 
> Kervin Ridgley
> 86 Scirocco II 8v
> 92 Golf GL on death row
> 00 TT 600
> 
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