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View Full Version : New to Me 2003 Tahoe 5.3L - Looking for a 93 Octane Tune



Level2
April 25th, 2016, 01:48 PM
Hey guys! Good to be back, been a while.

I am not looking for anything free, let me start by saying that.

What I am looking for is a tune to run 93 octane (Sunoco or Shell user here) for my "new to me" Tahoe, 2003, 5.3L, that I can build off of for my efans, fresh air intake, some TSS tuning I like to do to all my Chevy's, etc.

I have the fans and original relay pack with wiring ready to go in. Using the same KN fresh air intake I use on my previous 5.3L and my current 6.0L 'Burban.

I have the PCM unlocked and ready, made some slight changes to tire size and now I wait for someone who has a tune.

Thanks in advance!

joecar
April 26th, 2016, 03:49 AM
If you don't have heads/cam then your stock tune should run 93.

If you run the K&N filter, do not over-oil it (I prefer paper filter).