6l swap wont start
#1
6l swap wont start
Swapped in a 6.0 into my truck yesterday to replace a hydrolocked 5.3. Swap was not to bad till I put a new tune on it and went to start it and it turned over and smelled like gas after a time or two trying to get it to start. I have tryied tunes from my 5.3 to modified ones for the 6.0 and they all ended the same way just lots of gas. When logging it trying to crank it was cammanding 4:1 afr and map is pegged at 102 kpa. unplugged map and it drops to 10 but still just smells of fuel. Even pulled a map from another motor and readings where the same. Any new ideas would be great.
#2
im about to do the same swap
out with the tired 5.3
in with the new cammed lq9
****... i was hopeing that my ecm would learn the
6 liter enough to run
also been trying to get in touch with wheatley
tuning so he can do a mail order for me
sounds like im SOL till i get ahold of wheatley
out with the tired 5.3
in with the new cammed lq9
****... i was hopeing that my ecm would learn the
6 liter enough to run
also been trying to get in touch with wheatley
tuning so he can do a mail order for me
sounds like im SOL till i get ahold of wheatley
#5
Yea got all like 4 grounds hooked back up the main one on the driver side front and two on the back and the one braided ground on the back. That's all right? All the other sensors show up in evi live. Also how long should it take to get oil to the top of the motor. Turned it over maybe 5 times and heads where not covered in oil like I thought they would be.
#7
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im about to do the same swap
out with the tired 5.3
in with the new cammed lq9
****... i was hopeing that my ecm would learn the
6 liter enough to run
also been trying to get in touch with wheatley
tuning so he can do a mail order for me
sounds like im SOL till i get ahold of wheatley
out with the tired 5.3
in with the new cammed lq9
****... i was hopeing that my ecm would learn the
6 liter enough to run
also been trying to get in touch with wheatley
tuning so he can do a mail order for me
sounds like im SOL till i get ahold of wheatley
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#8
Well im running the injectors from my 5.3 cause there 8.1 injectors. Not sure about vats or not laptop is in my truck at the shop. But just a motor swap shouldn't mess with that should it? But if its not building oil pressure would that keep it from starting? Some kind of gm safety?
#9
I have a gauge for that
iTrader: (42)
No, the oil pump is purely mechanical.
Is it getting spark? If it doesnt start after a few times, put the pedal to the floor and crank it over for a few seconds, this a "flood clear" and disables the fuel injectors and hopefully clears the engine of fuel so its not overly rich.
Is it getting spark? If it doesnt start after a few times, put the pedal to the floor and crank it over for a few seconds, this a "flood clear" and disables the fuel injectors and hopefully clears the engine of fuel so its not overly rich.