Re: 89 TBI 350 in my 66....? also some parts swap questions....
On the ones I've done, I've left the EGR and not done the cat. Different people have different opinions on the EGR, I just leave it on so I don't have to any custom chip work. All my engines have come from Iowa, where we don't have any smog regulations...a California engine is likely a different story.
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