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Old 04-17-2009, 10:13 PM   #1
Kmart2352
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Join Date: Apr 2009
Location: Saco, Maine
Posts: 151
TBI Smell

My 87 has a 350 TBI in it and it seems to be running to rich. When I get onto the highway and i get on the throttle some smoke comes out of my exhausts and it when i am at a stop light or just idling it has a smell of to much fuel or something. It gets about 8 miles a gallon when i am staying off the throttle and about 6 when i am on it all the time. I did a full tune up on it last year and this year I installed a throttle body spacer. The truck runs great but it has been smoking and getting that MPG's for a couple of years.
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87 2wd GMC Sierra Classic.
86 4wd GMC Sierra Classic.
95 2wd GMC Sierra.
96 2wd Chevrolet S-10.

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