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real hard for the tune to cause it too only run on 4 cylinders. Did you swap the lifters?

Plug ends, # of holes and oring color doesn't matter for tuning. The internet search on those injectors show a flow rate of 34.6 lbs/hr at 43.5 psi....

you welcome

Don't play the victim. You are talking sht about me online every chance you get. LIKE I SAID, DON'T REPLY TO ANYTHING I POST, SIMPLE

Yes, but the engine, engine diagnostic, and fuel systems segments were from a 4.3L

Have you checked the HPT tune repository?

they are 36lbs injecto rs, ev6 on the plug ends. 4 hole, the injector data came from a guy in here its in the tune.selfs are ( 0280158227) ...

Looks normal to me. The 02's are switching lean to stoich. The wideband will then have the same pattern.

They are awful. Don't use the FAST throttle bodies either. NW is the best for these. I did have a car with a motionworks throttle body and...

You can't go on calculated torque. That assumes the rest of the tune is 100% dialed in.. and even then it's just a guess.

In your scanner under the gauges layout there is a filter you can use to smoothen the gauge needle . This will only work for the scanner gauge and...

There's no reason to scale this. The trans min stuff might be a factor here. It looks like it was reduced. Don't forget the fuel delta min...

You really need to start with giving an injector part#, brand and supplier and a link to injector data info unless these are GM injectors. Unless I...

i want to thank you both verymuch for taking the time to help me. i just dont want blow this thing up. i havent held the pedal to the flor ever since...

it is vacuum but i dont have a vacuum line going to it. if i do dont i need to change the 36lbs to more settings?

Digging this up after a search. Does anyone have an unmodified LT1 Connect and cruise file available as a reference? The link above appears to be...

Well no offense but I cant even imagine this running in ""decent" category...

Good observation Can you get into Tow/Haul, Sport shift mode (not sure if you have it), but that table would definetly shift different and keep you...

such hostility.. please be civil. there's no need to constantly be a dick.

How about the vacuum referenced regulator?

And since you actually have running problems, I would start on the vehicle end, not the MVPI3 end.

I would drop down to even fewer channels 4-5 and see what happens as a test. If it still acts up, you need to be tracking down either a MPVI3/cable...

so change the map to bar 1, what shoiud i set the min injector to , and then lower the shift scheduling , it was stalling i had changed the folloer...

Another software engineer that thinks they are a natural at tuning. You are in a gen3 forum and trying to defend something that one of the more...

This is has it as an option for sure

I'm using and MVPI3 and 5.1.2682 Beta