rickp

Hey guys,
I got my tune files from BBP. They sent me 5 files a 87-89OctSport, a 87-89OctTune, a 91+OctSport, a 91+OctTune and the Stocktune file.

When I plug my AutoCal into the truck I have the Option to Prog these files as well as four others named Full 87-89OCtSprt, OctTune, 91+OctSprt and Tune.

Anyone one what the difference in these are??

thanks
R.

nonnieselman

iTrader: (10)

Diff timing adjustments for each fuel.
possibly some different trans settings for the sport tunes.

rickp

thanks for the info.
Let me ask you something then, can I load lets say the 87-89OctSport tune and use 91Octane fuel or visa versa, load the 91+OctSport Tune and fuel up with 87 Octane gas?

nonnieselman

iTrader: (10)

You can do the 87-89 and use 91 no problem...
but using the 91octspt and using 87 gas might give you some detonation/pinging since the timing is a lil higher.
If your knock sensors are healthy, you will be ok tho.
i ran a HPPIII for a year and it pinged its butt off before i saw the light and bought EFI Live.

rickp

Great info thanks. While i have you on the line...a couple of more questions.
When I plugged the AtuoCal to my truck, I saw the files I got from BBP and 4 others named Full 87-89 and 91+, do you know what those are for? Someone said not to use them.

nonnieselman

iTrader: (10)

Sounds like a FULL Flash.. dont use them.

ive never used Autocal so im not sure on that.
but save them in a diff folder so they wont get mixed up.

rickp

Thanks for the info.

Sorry a couple of more questions. Is the difference between the OctTune file and the OctSport tune is the towing right? Im assuming the OctTune is for towing.

Last one, I read somewhere that the tune gets better after a couple of days, is that accurate, is there a learning period for the tune?

Sorry if these seem elementary, this is new to me so my learning curve is huge at this point.

Again thanks
R.

nonnieselman

iTrader: (10)

You should be able to tow on either one, just listen for pinging.. if it does.. put the octtune in.

The pcm has a slight learning curve with the reading of oxygen sensors and such.

rickp

Thank you for all the info, I really appreciate it.