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  #1  
Old 04-03-2015, 02:52 PM
ZZAAPP ZZAAPP is offline
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Default 5.7 rebuild, will I need a program

I'm rebuilding my 2003 Dodge Ram, HEMI 5.7 engine as a result of a tic noise. Engine is at machine shop getting bored .30 over, heads are being rebuild with 6.1 springs and milled 30 thousandths due slight warp. I'm installing a comp cam rpm range 1500-5500 because I use the truck to tow a boat every now and then. Also the entire valve train, lifters, rockers, push rods are being replaced with heavy duty stuff. I'm getting shorty headers as well.

My question to all you new day engine builders (I'm old school from muscle car era) what programming sys would you recommend with the above improvements. My old engine rebuilds I've done over the years never needed computers to make then right. I know I will need a sys so please advise. Thanks in advance for your time.
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Old 04-05-2015, 03:58 PM
hemiheaven hemiheaven is offline
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If you are talking about a tuner?, maybe Diablo. You don't need a whole new "system" if you're referring to the PCM/TCM. Just a custom tune. Can I ask why shorty headers? Just curious.
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Old 04-05-2015, 04:46 PM
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You'll need a base tune, which someone can build for you with some info from you on your build, then you can get a more custom tune to suit your needs.
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Old 04-05-2015, 05:09 PM
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I did almost the same mods with my 04. I would contact Hemifever. He is in our supporting vendor section.
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Old 04-05-2015, 07:32 PM
ZZAAPP ZZAAPP is offline
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Default Thanks fellas

Thanks for the info. I'm getting my block and heads back in two weeks from the machine shop. I can't wait.

HemiHeaven, I already have a cat back system in place and did not want to redo the entire exhaust with a more conventional header system that I have run on older cars -at least at this point in time. This system bolts up stock to current y-pipe no mods needed. Also, One of my old stock cast iron headers was warped by almost 3/16 to 1/4 of an inch. That would partial explain the rap/noc noise that I was hearing. I was also missing 3 bolts/studs from that side as well. Hopefully the shorties will give it a more distinctive growl with the cam than it already has... I'm ok with the horsepower -just want her to breath and sound a little better than stock. I'm hoping you can here the cam like on the older motors.....

Last edited by ZZAAPP; 04-06-2015 at 09:48 AM. Reason: typo
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