silver89Rs

will taking off the air pump on my car mess with the o2 sensor reading?

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89 Rs camaro
305 tbi
3in flowmaster muffler
manderal bent pipe
no cat

smurfmobile

no

GMTech

NO.

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'97 Bonneville SSE

silver89Rs

ok then what do i use to block off the air injection holes in the manifolds? or can i just bend the tubes over and pinch them?



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89 Rs camaro
305 tbi
3in flowmaster muffler
manderal bent pipe
no cat

ArnoldBraker

IF you do that you'll probably create exhaust leaks. I unscrewd them from the manifold and took one of the old fitting to the hardware store. I used that to find a brass plug which would fit in the manifold hole. I can't remember the exact size but I *think* it was 1/2.