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Use the PE vs. RPM function on HPtuners and just go where its close to 4500 RPM and -0.??? whatever amount you need to redline.
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
I use the PE vs RPM to make my fuel trim richer but it still run lean at 4500 rpm
My lift or reading -12
I think Iam maxing my maf
How can i adjust LIFT or do I need to.
I use the PE vs RPM to make my fuel trim richer but it still run lean at 4500 rpm
My lift or reading -12
I think Iam maxing my maf
How can i adjust LIFT or do I need to.
I always did lift by tunning the injectors , worked great for me, you know the 36lb GTP's are 33LBs on our fuel system correct? So when I ran N/A my scale was 32 to 33 across or something like that. I run 65lB (60 LB injectors right now N/A and their scaleed I think 57 to 58 across then I do my PE, my lifts always fall between -4 to +4 so I always use the injector scaling to dial in my lifts. You could be maxing the maf, just N/A I was at 60 % duty cycle with just being cammed with 33LB GTP injectors, I would imagine with the right size turbo it would be pulling hard at 7PSI since most dyno around 300 -330 WRHP with 7PSI, WHich is about where the GTP's will max out their 80 % duty cycle. Anything over 80% and your maxing them and they can lock up. This is why I went with the 60lb injectors for growing room once the turbo is on, since I'll be higher forged pistons, cammed, heads, intakes and turboed. Good luck.
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
Their suppose to be stronger than a torsen 10 bolt for the track, but if your going to continue to run the turbo I wouldn't waste the money for another 10 bolt posi, the 9" and 12 bolt come with eaton or aurburn setup. Torsens are great for cornering, but lack the 1/4 mile power, but if you have the ARP main caps and girdle it can take alittle more abuse.
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
my lifts always fall between -4 to +4 so I always use the injector scaling to dial in my lifts.
Yep.. what he said... Get your LTFT's to be with in 5%. (Looking at your histograms) after a drive.. IF they are with in 5% driving around that's pretty good.
I figured that out along time ago to shorten the pulse widths to get the lifts to +4 to -4 my lucky # use to be 13 apart. LOL It took me about at least 100 1 mile trips before I figured it out, there was no tuning guides back then and trying the maf wasn't working, so I started doing the injectors and they finally fell into place, I had it at zero alll the time once before. Now I'm too tired to go out driving to scan and get them to zero.
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
You need to tune the MAF table. Look at RussK's MAF tuning thread on the HPTuners board.
x2
And, Steve. You're going to have to tune with your MAF sooner or later.. Especially with a turbo since it has a more dynamic airflow than a powerdyne type setup. I don't think your injector tables will cover that to get a good tune. Let's talk more when you're ready to tune so we can get your histogram set up.
And, Steve. You're going to have to tune with your MAF sooner or later.. Especially with a turbo since it has a more dynamic airflow than a powerdyne type setup. I don't think your injector tables will cover that to get a good tune. Let's talk more when you're ready to tune so we can get your histogram set up.
I know I'll have to do the idle, (change it to how much airflow is at and scale it up from there and then use the injector table and PE , thats what I did with the PD, worked out great, should be just like a turbo just find where it idles at and set it back and scale the maf up, just have to find the sweet spot.Haha I'll probably will be asking you questions also.LOL
08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine
So my truck is finally getting some work done, after 17 years, Oil pressure sensor went out and it’s located under the lower intake manifold. Have to...
2 weeks ago
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