Compression Ignition Addict
Join Date: Jul 2010
Location: Port Tobacco MD
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I agree with Atonm for the most part, Spartan and H&S are good companies, H&S has a shift on the fly capability.
I run an H&S Mini very happy with the unit and performance, had some issues withtheh programming but these have been resolved with updates from H&S. Another thing H&S give you is a choice in transmission programming, see the web site.
I have installed both in peoples trucks both are good units/companies. Do your homework before ordering( Check out the companies websites etc)
EGTs, I would like to find out what Ford rates the engine at stock, I have seen responses to this question from 1200 max sustained to 1600 max sustained. After a brief e-mail exchange with PTP I set my defuel at 1250 and set up my Mini to read EGT in the display. I watch that like a hawk when towing or hauling heavy.
While many on the forum will tell you it OK to tow with a 300HP tune "do it all the time" the higher tunes will generate higher EGTs quicker. When I haul my 5500# slide in camper I run the "no power" setting to control EGT. Same when I haul a heavy trailer, I have run the Mild, Wild and Hot settings to see what happens, the hotter the tune the more fuel you are adding and the faster EGT's go up. Aluminum melts around 1200 degree F But since Aluminum is an alloy this depends on what is mixed with it make the particular alloy used in Ford/IH Pistons.
While Exhaust pipe tip temps can get into the 1000 deg mark stock and DOC temps much higher than that it is not indicitive of what is going on in the combustion chamber. However after adding a tunner there is the ability to over fuel the motor More fuel = more power=more heat=shorter life of stock equipment.
2008 F450 King Ranch 4X4
5" down pipe back exahust
4.30 L/S gears
Pure performance 4 link front suspension
FASS fuel filter
PTP EGR Delete
Train Horns under the front bumper
2013 Radio/Nav/sync upgrade
Last edited by MD05; 04-04-2012 at 03:22 AM.