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Greetings Budman, I replaced my header pipe this last spring.
If you don't have access to a lift, simply raise the car
approx. 1.5 to 2.00 feet from the ground. Of course, use ramps
and/or jackstands to support the vehicle for safety. You will
be fully under there. Do not use cinder blocks! Anyway, after
I soaked the nuts to be removed with anti-sieze spray, it was
really easy to remove the old tired unit and install the new
(better double-walled) one. I chose to leave the cat and
everything to the rear of the car attatched.(and obviously,
the exhaust manifold as well) Used new nuts and bolts w/fresh
gaskets and I was done. What a power gain!
When I removed the annoying rattling factory heat shields, I
found that the factory header pipe had two 2" cracks running
along the top of where the two pipes bend from near vertical
to horizontal. Basically a sealed exhaust system like the
factory intended, once again. Sure is a joy to drive now. =)
The main objective to ease the swap, is getting the car high
enough to make clearance for the moving of the header pipe(s).
I used ramps up front and had jackstands in the back. So, the
entire wagon was elevated. Took more time to setup the car and
tools than the job did.
Good Luck! Sumdumsurfer
1987 245 5spd.
P.S. Oops, forgot about the oxygen sensor. On mine it's on the header
pipe. On yours it may be on the cat. Either way, careful not to damage
the wiring/sensor.
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