Re: Parts for Sale Ultimate 50#,and More
This chip is for 50# injectors will also need an adjustable fuel pressure regulator, 3 bar map sensor, Vortec heads, 412 comp cam, I was using a 415 comp cam,Vortec heads 3bar map sensor,adjustable fuel pressure regulator and a 60mm size turbo with no problems. I have out grown this chip after my last rebuild.
50 lb/hr injector calibration for trucks using Vortec heads with a bit more aggressive cam, with the ideal choice being the
Comp Cams 412 model camshaft, and the same goes for the larger turbo/intercooler bolt ons
More info on chip Here:
http://sytychips.com/50lbdescription.html
These programs are geared around the PTE turbo setup, which has an integral wastegate using a high pressure actuator. The
boost control calibration is setup much differently than stock due to this, so the original Ultimate boost control programming will
not work. To properly use the PTE setup, the base boost must be set so that it is about 15psi. Any less, the wastegate is leaking.
The actuator is VERY tight, and it will probably require some compressed air to move the actuator rod to latch onto the wastegate
rod. Also note that with such a high base boost setting, valet programs will be able to have full a full 15psi of boost. I am setting
the valet limiter to 15psi, with lower rev limits, richer fueling & lower timing at that point. So if a driver can hit 15psi, it will be a very
safe & slow 15psi.
The 50lb/hr injectors allow for much headroom on stock motor trucks. That is a good thing; they should support 600hp.. Now that
we have lots of injector room left, I integrated another safety feature. If you are on a 15psi boost setting program, and you
overboost for whatever reason, the timing will instantly drop, and the fuel will be quite a bit richer. This should add a good margin
for safety. I say quite a bit richer, because at higher boost levels you obviously need more fuel... the calibrations are designed so
that above the set boost level, I have increased the fueling dramatically, so that it is over rich.
Differences between the 50lb/hr injector programs:
Rev limit values; The stock motor setup has a 5400 RPM limit, whereas the L35 head calibrations have a 5900 RPM limit, and the
Vortec head calibrations have a 6300 RPM limit.
Spark Advance; The stock motor & L35/cam calibrations are similar, regarding timing advance. The Vortec head calibrations have
more timing advance, as they have a much different combustion chamber, and these calibrations have between 3 and 7 degrees
more timing (on average) than the other calibrations. Understand that the timing advance commanded will depend on the RPM,
boost level, coolant temperature and manifold air temperature at a certain point, so you can’t make a blanket generalization about
how many degrees of timing a program has. We have made extensive changes to the timing maps for both safety and
performance. If your truck has very hot coolant temps, and a hot incoming air charge, you wouldn’t want to run the same timing
advance as a day that the coolant temps are cold, and the incoming air temps were cold, so we have adjusted the maps to try and
take those issues into consideration.
This is for the Gauge display chips (latest model)
Displayed Description
Security No start
Valet
T1 F1 Street timing (~14 deg at WOT), 18psi, WOT fueling setting 1 LEANEST
T1 F2 Street timing (~14 deg at WOT), 18psi, WOT fueling setting 2
T1 F3 Street timing (~14 deg at WOT), 18psi, WOT fueling setting 3
T1 F4 Street timing (~14 deg at WOT), 18psi, WOT fueling setting 4
T1 F5 Street timing (~14 deg at WOT), 18psi, WOT fueling setting 5
T1 F6 Street timing (~14 deg at WOT), 18psi, WOT fueling setting 6
T1 F7 Street timing (~14 deg at WOT), 18psi, WOT fueling setting 7 RICHEST
T2 F1 Race timing (~17 deg at WOT), 21psi, WOT fueling setting 1 LEANEST
T2 F2 Race timing (~17 deg at WOT), 21psi, WOT fueling setting 2
T2 F3 Race timing (~17 deg at WOT), 21psi, WOT fueling setting 3
T2 F4 Race timing (~17 deg at WOT), 21psi, WOT fueling setting 4
T2 F5 Race timing (~17 deg at WOT), 21psi, WOT fueling setting 5
T2 F6 Race timing (~17 deg at WOT), 21psi, WOT fueling setting 6
T2 F7 Race timing (~17 deg at WOT), 21psi, WOT fueling setting 7 RICHEST
Note: Vortec head/cam calibrations follow the same program listing as above, but have 3-7 degrees more timing
More info:
http://sytychips.com/Ultimatedescription.html
Install instructions:
http://sytychips.com/Ultimateinstructions.html
Thanks,
Mike
