93 TBI Runs Rich

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93 TBI Runs Rich
JboyDrags avatar
JboyDrags
+1y
i got a 93 chevy x-cab and i had the motor redone. hooker headers, jet stage 2 chip, high rise intake, and .030 over. my truck runs real rich when i 1st start it up and actually smokes a little. but it eventually gets better after i start driving. what could b the reason 4 it running righ?
RARA avatar
RARA
+1y




What thermalstat temp are you running?


trucks&stuff avatar
trucks&stuff
+1y




r u sure its running rich or is it burning a little oil thru the valveguide seals?


dwn2erths10 avatar
dwn2erths10
+1y
Don't those things have cold start mode? where they dump extra fuel when you first start it to warm the motor up.
RARA avatar
RARA
+1y
--------------------------------------------- Originally posted by dwn2erths10 Don't those things have cold start mode? where they dump extra fuel when you first start it to warm the motor up. ---------------------------------------------Thats why I asked about the thermalstat temp  If you  run anything cooler than a 180 termalstat it will never get warm and stay in cold start loop running rich

JboyDrags avatar
JboyDrags
+1y




yeah i'm runnin a 160 themostat. what is the stock thermostat that comes in it? thanks 4 the info


JboyDrags avatar
JboyDrags
+1y




damn i cant spell


RARA avatar
RARA
+1y




I would try a 180 thermalstat that should fix your problem  Thats what Im running in my truck and it runs around 190-200 all day with no problems