Header Install List
1) Headers and Y-pipe
2) Poly motor mounts
3) Bosch 13111's
4) Rear O2 Simms (not gettin a tune in the near future)
5) NGK TR55 Plugs
6) Anti-Sieze
7) Band Clamps (Do I only need three; both collectors and the I pipe?)\
8) Stage 8 Header Bolts
9) GM Steel Gaskets
Please add anything that I need or would help out with the install, performance of car while the manifolds are off. Thanks.
1) Headers and Y-pipe
2) Poly motor mounts
3) Bosch 13111's
4) Rear O2 Simms (not gettin a tune in the near future)
5) NGK TR55 Plugs
6) Anti-Sieze
7) Band Clamps (Do I only need three; both collectors and the I pipe?)\
8) Stage 8 Header Bolts
9) GM Steel Gaskets
Please add anything that I need or would help out with the install, performance of car while the manifolds are off. Thanks.
you might need more band clamps depending on how many pieces your y pipe comes in. My ORY came in 2 pieces but my buddies TSP Catted y came in like 4 or 5 he said
https://ls1tech.com/forums/generation-iii-external-engine/492703-best-poly-motor-mount-write-up-ever-written.html
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i used the bolts that came with my pacesetters, they looked WAY better than those stockers....also...the gaskets are good unless you have a shitpot full of miles on em...then just change em...i had 18kmiles on my ride when i installed headers, no probs
LOVE EM!!
peace
new plugs NGKTR55 new MSD 8.5 wires and new O2's for piece of mind knowing I shouldn't have to do that job again any time soon. I also noticed that the SX headers air and egr tubes are not going to fit a 2000 car as the tubes are bent for the 98-99 emissions. So with that in hand I cut the tubes off (they could be capped) welded the holes shut and removed all of the emissions stuff (EGR AIR PUMP) and since the egr is not going back on I have to do something with the big a$$ hole in the intake. I would also get 24" O2 extensions and wrap the extra wire up and zip tye it to something as it looks like the 12" ones are just a little to short.

