HEAD SCRATCHER

[srp51]

Just bought a 87\' s10 ext cab with 350 TPI and I thought the hard part was over BUT it seems there is an after market wiring harness and it\'s not hooked up to the ADL. I discovered this while looking for a miss/rough idle. SO I took it to my local guru (he does the brain stuff I do the grunt work) and he set the timing, reset min. air rate and adjusted TPS to specs? This helped a bunch but I think there may be a mild cam swap also the PROM had \"TLC TPI\" on it. Does any one have any idea who made this?? http://www.s10v8.com/images/smilies/icon_confused.gif I would like to be able to read the codes, oh yea-- no check engine light either

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