It Was Worth it !!!
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Junior Member
Joined: Jun 2010
Posts: 93
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From: Redlands california
Car: 1987 iroc Z-28 5.7 TPI
Engine: 5.7 TPI
Transmission: 700r4
Axle/Gears: 3.27
It Was Worth it !!!
Well finally just bit the bullet and changed out my Cat,EGR,O2 sensor. Cleaned out all the carbon build up.YUK !! it was bad but car runs awesome No's went from 546 to 34, gas milage went from 11 in town to 14 mpg. Glad it's over with
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