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82 GT · 03-24-2001, 09:55 AM

On my '88 GT I am planning on a Flowmaster exhaust system with off road H-pipe. I am also going to install pulleys. What size belt will I need to bypass the smog pump?
Is it really true the cats will block up if the smog is bypassed?
Does just getting pulleys require a different belt size regardless of what is bypassed?

03-24-2001, 09:55 AM	#1
82 GT Import Slayer Join Date: May 1999 Posts: 2,241	what size belt do I need?? On my '88 GT I am planning on a Flowmaster exhaust system with off road H-pipe. I am also going to install pulleys. What size belt will I need to bypass the smog pump? Is it really true the cats will block up if the smog is bypassed? Does just getting pulleys require a different belt size regardless of what is bypassed?