I didnt want to mix up the threads by posting unrelated information so I figured I would start a new one.  This thread is for figuring out what works and what you find your truck likes.  

 

I did some more datalogging as of late and found that a more aggressive timing curve later in the rpm band, say 2500 + rpm, seems to pull harder up top.  Previous I was running tunes that maxed timing at 26*.  I took 2 tunes copied them and ran them back to back on the same stretch of road, same conditions.   I was not using wiretap for this so I will leave those details out

 

First Tune 29* max

Quote

Race 29*
Number of Power Levels	6
RPM Limit	3700
Valet Mode
Maximum Valet Mode Power	35
Timing Parameters
Fuel Load Timing	1
Low PSI Timing Reduct	5
Timing Reduct Scaling	80
LightThrottle Timing Adv	1
Light Throttle Limit	35
Timing Equilzer
1500RPM	16
2000RPM	19
2500RPM	24
3000RPM	27
MAX	29
Boost Level Fueling - CAN Bus
0 PSI	88
1 PSI	90
2 PSI	92
3 PSI	94
4 PSI	98
5 PSI	102
6 PSI	106
7 PSI	110
8 PSI	114
9 PSI	118
10 PSI	122
11 PSI	126
12 PSI	130
13 PSI	134
14 PSI	138
15 PSI	142
16 PSI	146
18 PSI	150
20 PSI	150
22 PSI	150
24 PSI	150
26 PSI	150
28 PSI	150
30+ PSI	150

 

Second Tune 26* max

Quote

race 26*
Number of Power Levels	6
RPM Limit	3700
Valet Mode
Maximum Valet Mode Power	35
Timing Parameters
Fuel Load Timing	1
Low PSI Timing Reduct	5
Timing Reduct Scaling	80
LightThrottle Timing Adv	1
Light Throttle Limit	35
Timing Equilzer
1500RPM	16
2000RPM	19
2500RPM	22
3000RPM	25
MAX	26
Boost Level Fueling - CAN Bus
0 PSI	88
1 PSI	90
2 PSI	92
3 PSI	94
4 PSI	98
5 PSI	102
6 PSI	106
7 PSI	110
8 PSI	114
9 PSI	118
10 PSI	122
11 PSI	126
12 PSI	130
13 PSI	134
14 PSI	138
15 PSI	142
16 PSI	146
18 PSI	150
20 PSI	150
22 PSI	150
24 PSI	150
26 PSI	150
28 PSI	150
30+ PSI	150

 

 

The interesting thing is the tunes are the same except for the timing above 2500 rpm.  If you look on the graph rpms hit that 2500 rpm mark at about line 20-21, each line is ~.3 seconds so 3 lines = 1 second.    You can see where timing jumps and also where boost jumps. 

 

Now keep in mind the graphs are not exact so take them with a grain of salt, but everything appears to show that the tune with higher timing up top gives faster time to 50 mph, and a faster ramp up of boost.  The higher timing tune appeared to reach 50 mph nearly 1 second faster.

 

as always studs are a good idea, but I am fairly sure anyone can run this timing above 2500 rpm.    If people are not blowing their heads off left and right with other tuners then there is no reason why this type of timing curve will hurt with the Quadzilla. 

 

 

Food for thought, open to other thoughts.

@dieselautopower When did you start bumping the pop on the injectors and what made you move to those numbers.  

 

Below are some pictures from a previous set of SAC 7x.012s I bought from yall about 3 years ago.  Pictures are before install and after running them for at least 50k, obviously cleaned up.  To my knowledge they are still running in a truck somewhere today.

 

Compared to an 8 hole 150hp injector (also DAP)

 

 

 

 

 

Edited December 20, 20177 yr by Carbur8tr

Those of you who have popped injectors know its difficult to get them within 5 bar.  for 7x.012 305BAR is the lower end of what we want to have them set at. Still in the range, but we are trying to move up a little more in hopes of better atomization and less smoke.

4 hours ago, dieselautopower said:

Those of you who have popped injectors know its difficult to get them within 5 bar.

 

Extremely. Especially when a 0.15mm shim adds around 30 bar.

My 7x.013" vco set to 340 bar just came in! God I hope these are better than my junk 6x.013" "street" sac

lol I am nervous for you.   I hope they run as well as mine do for you.

39 minutes ago, Me78569 said:

lol I am nervous for you.   I hope they run as well as mine do for you.

Come on! No need to be nervous! Ha ha... I am really hoping to get them in next weekend

Sweet! I'm going to hopefully do some logging and videos on my phone soon of the .013's @ 365 bar for @Me78569's thread, and then repop a little lower.

Except it f'ing snowed last night, I need to wait for dry roads now. 

Lol well at least yall have your injectors.  Still waiting on mine and no word back from Chris over at DFI.  

Well a little update, I've asked Chris for a tracking number now on multiple occasions and I have yet to get a solid update or tracking number.  Today will be 3 weeks since I placed the order.  Not trying to soil his name but just wanted to share my experience thus far. 

 

The first set of injectors I bought from him came within a few days and have been running fine since I put them in.  I don't doubt the quality of his products but I have a feeling his business might be a little behind the ball right now.

19 minutes ago, Carbur8tr said:

Well a little update, I've asked Chris for a tracking number now on multiple occasions and I have yet to get a solid update or tracking number.  Today will be 3 weeks since I placed the order.  Not trying to soil his name but just wanted to share my experience thus far. 

 

The first set of injectors I bought from him came within a few days and have been running fine since I put them in.  I don't doubt the quality of his products but I have a feeling his business might be a little behind the ball right now.

 

Its easy to get behind this time of year... after black Friday we were 3-5 days out for 2 weeks for  many builds. Factor in employee time off, family, and getting sick its a tough time to stay on top of orders.  We appreciate the patience given by customers when we had delays.

Definitely and I agree that this time of year is quite busy.  Like I said earlier, that wasn't meant to soil his name nor his product. 

4 hours ago, dieselautopower said:

 

Its easy to get behind this time of year... after black Friday we were 3-5 days out for 2 weeks for  many builds. Factor in employee time off, family, and getting sick its a tough time to stay on top of orders.  We appreciate the patience given by customers when we had delays.

Beat me to it! 

well here I go

What did you end up going with again?

1 hour ago, Carbur8tr said:

What did you end up going with again?

7x.013" vco set to 340 bar

No opinion yet.. Sprung a leak on #2 injection line and sprayed fuel everywhere and had to fix that and clean it up at 10 p.m. With temperature at -17ºf so that was fun.... 

@Me78569 When will you be installing your new set?