deathman |
03-02-2011 06:09 PM |
88 blazer 5.7 ,running rough
could use some help, i put a remanufactured 5.7 (350) engine in my 88 blazer , all new sensors,timing set at 0 with tan/black wire diconected ,throttle body was rebuilt (yes new brass bushings)i mean everything has been replaced with new parts , was getting code 43 ,replaced knock sensor again,no more code , reset the computer, the truck is just not running 100%,sometimes when i start it it idles up n down then smoothes out, get a bit of hesitation at take off ,i looked for intake leaks and tbi base gasket leaks ,havent found any ,my ecm seems to be fine unless i have the wrong eprom and calpack in it , ecm is 1772247, akaj, eprom says 1147 akaj, calpack says 16051637,hopefully these are the correct ones ,the motor is bored 30 over with a stock cam ,444 lift, so im told , it just doesnt seem very smooth, seems kind of rough, im freakin lost , also the air idle was set with iac closed, injectors getting .50 at idle bout 435-440 wot , im open for any info that can help me out , thanx jim
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