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ok so i just did the hei mod and my car has been screwed up ever since i replced the crank angle sensor cause i was getting a dtc for it and i put my car in diagnostic mode to time it and once i pulled the jumper wire out it died and i coudlnt start it again

ok so i jumped ten and ground and put it in diagnostic mode and adjusted the timing to 10 degrees and left the jumper wire in and it ran great as soon as a took the jumper wire out it died and woudlnt start again so as of right now im driving it in diagnostic mode becuase i have to have my car for w...

and if i do have a voltage leak how would i check and fix it

actually the arcing sounds like it might be right cause when i was adjusting the timing i kept getting shocked im using a 4 prong gm ignition module and a autozone coil

if it was a bad connection or if it was the crank or cam sensor then i wouldnt be able to take it to redline at all right? in neutral it will go to redline but if its in gear and im driving and theres a load on the engine then it wont let me

yea i tried doing that and the second i took the jumper wire out it died

ok so i am new to this site so forgive me if im not doing this right but i have a 93 mx3 1.8 and i blew out my coil in my distributor so i did the hei mod and ever since then the stupid car hasnt run right if i try and take it past 5 grand it acts like its hitting a rev limiter the engine keeps runn...