Dynocon

I am looking to purchase my first box and have some questions.
I know that boxes and downloaders raise fuel pressure, change timing and raise boost pressure. My queston is on the quad box are these pressures elevated all of the time or just when you get on it? Bottom line question is do they significantly reduce the life of the injectors and turbo for someone who generally runs unloaded highway miles?

Rpainter

I have a 04.5 with quad race box with the box on highest setting 140 hp I can lock up the convertor and bog the motor down to 900 rpm and mash the go pedal and no smokeI really like the boost fooler and timing advance SO they cant be raising fuel pressure to much??PM me if you are interested in a bully dog power pup??

overcomer401965

The only time the pressure comes up is when the pedal is mashed. I have only seen about 26,000 on the Commander. I have seen 36 psi boost and as far as the timing I dont have any timing rattle, so i think it could actually use some more. I will be doing the tone ring mod soon just too see.

Dynocon

26,000 with mod compared to what PSI before? What was the Boost before?

wap

Stock fp isnt supposed to go over 25k, I think

Stock boost in the 32 psi range.

I didnt have a rail guage with my quad so I can t comment there but boost would hit 42 psi regularly and 44 under the right conditions

mikmaze

rpainter: what temps are you seeing egt wise at the 140 setting? talking just the truck, no extra load......... how hot does it get in a 1/4 mile pass, or a pass to say 90 mph? tire size, tranny and final driv eratio please also, good infor for all to have if interested in the box.

Rpainter

My truck has never seen temps higher than 1100 and that was just for a second at wot never had the truck on the 1/4 yet but with the quad up on 140 and the power pup on crazy larry I can break the wheels loose on wet roads a 75 mph tires are 35" xterrains,tripkle disk and dunrite vbwith billet parts inside,3.55 rears any questions pm Id be happy to answer

wap

mik, with just the quad on race, intake and exhaust I could peg my pyro at 1500 by about 88-90mph.

I know you didnt ask me, just thought I would share my experience.

runamuk

Yes mine also I peg the pyro for most of the 1/4 mile!

I run 14.66 @ 92 mph. No boost launch.

Rick

Rpainter

I have never ped my gauge even pulling a 30,000lb sled ???Guess I need to pay more attention to it

Dynocon

What is the magic number on temps, at what temp is meltdown? I thought it was around 1400F or so was the max.

runamuk

1200 for most , 3rd gens can go 1300-1350 safely brief moments 15sec or less can be above that!

It is not uncommon for me to run 1200 pulling my 6 klb trailer without the Quad racebox but i do not make a habit of it!

Rick

Dynocon

If this is correct can the readings of 1500 be correct, or are they measured at a diff location?

Rpainter

mine is preturbo in the exhaust manifold.

runamuk

Pre turbo in the exhaust manifold right behind # 2 cylinder just where they should be!

Rick