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#1
08-09-2005, 11:32 PM
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New Modification and a question....
Went out today and purchased a 160 T-stat and a Hypertech Hand Tuner. I set it all up and it seems to work even better, especially the shifting (Servo to come later). The engine also appears to be running much cooler (and better at the lower temp).
I went with a hand held as opposed to something like a Nelson as I wanted to be ale to make modifications as needed on the fly without doing the core exchange thing. (I'm sure the Nelson is a bit better tune) I do have a questin: If I set this thing for 93 Octane, do I need to pump premium and if I program and pump regular, how much of a differance is there between the two octanes when using this thing? Any input on this part of reality would be greatly appreciated.
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 2002 Superado, LT (Carmine Red), 5.3 L 3.73 RR, Flowmaster, K&N FIPK Cold Air Intake, 160 T-stat, Hypertech Tune, Towing Pkg.  ---------------------------------------- More pics here: http://www.cardomain.com/ride/2091584 ---------------------------------------- HAVE A NICE DAY... ...Unless you have other plans!!! ------------------------------- 
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#2
08-10-2005, 02:23 AM
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Re: New Modification and a question....
I honestly couldnt tell you. Im running 89 Nelson tune and my pickup hauls ass. Im thinking about trying nelson's 91 tune as 93 octane isnt readily available in the NW mostly 92. Allen said I would get (the 91 hot tune) it and he was right
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2004 Silverado Half-Ton Crew 7-9" Cognito Lift (set at 8" right now) Betts 7" rear springs w/factory block 3" PA Body Lift Yukon 4.88's with Auburn LSD Xentec 6500k HID lows, Silverstar Ultra brights Wade in channel window vents Covermaster Top Flowmaster 40 series, dual outs Nelson 89/91 HOT TUNE 20" MB Gunner 6's, 37" Toyo Open Country MT's Eclipse AVN6600 w/sirius and IPOD controllers Code Alarm w/ Remote Start
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#3
08-10-2005, 04:22 AM
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Re: New Modification and a question....
If it is programmed for 93 oct and you put in 87 oct expect it to ping/knock under any and no load and wide open throttle. THe timing will be so far advanced you will more than likely see it. Some of the knock is a sound issue and some is a poor performance and can hurt the engine. If you knock enough you can burn a hole in pistons and valves. How does the song go, "You keep on knocking but you can't come in..." I went with the 87/89 tune and can install 93 oct when I want and get better mpg and performance when I want and never hear a knock at all.
If you start adding headers and other engine mods the hyper tune will not take advantage of the mods, and in most cases your engine mods will not be acknowledged by the hyper tune and be wasted. If you go to a custom tune all the items you do will be taken into account, temp, headers, intake, etc....
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 "The Sleeper"  '05 6.0L VHO Cam in and Low 14's happening at the track  Check out my Ride
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#4
08-10-2005, 02:32 PM
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Re: New Modification and a question....
Yeah, since I don't want to pay for Premium, I reprogrammed it back to 87 octane, but left everything else the same. She still runs great and has plenty of power though. Thanks for the input!!!
__________________
2002 Superado, LT (Carmine Red), 5.3 L 3.73 RR, Flowmaster, K&N FIPK Cold Air Intake, 160 T-stat, Hypertech Tune, Towing Pkg. ---------------------------------------- More pics here: http://www.cardomain.com/ride/2091584 ---------------------------------------- HAVE A NICE DAY... ...Unless you have other plans!!! -------------------------------
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