I know this post is a little bit old, but just in case you are still trying to figure it out, no, you don't need any programmer. The HP Tuners OBD2 device (MPVI2) connects to your computer and can read from the ECU and also write tunes to the ECU.
Update: took off the front timing cover and timing was spot on. I decided to unbolt the intake rocker arm shaft and put a zip tie between the head and the rocker shaft. Basically using the zip tie as a spacer to make the intake pushrod appear shorter. Lame I know, but just did it to test...
Hello all, long time reader/first post. I'm trying to diagnose a very rough idle in my hemi. I just rebuilt the engine and am in the middle of tearing it down again to figure out what is wrong. It's in an 08 Ram 1500 with 205k miles.
Engine specs:
Sealed Power H899CPA Cast/Hyper pistons
New...
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