2003 duramax, looking to build motor - Page 2 - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Performance Parts Discussion Discussion of Performance Parts For the 01-04 LB7 Duramax Trucks No Advertising

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post #11 of 13 (permalink) Old 09-28-2019, 07:50 PM
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You can get any programmer you want, but why would you want to get away from EFI live? You get a good tuner for EFI an it’ll literally be made for your truck an it’ll run the best
It all depends on exactly what you want the truck to do. If you just want a little bump to spin the wheels at a stop light then any tuner will pretty much do it, if you want to get the extra power an have that extra itch of wanting more an knowing you’ll add bigger injectors/turbo an really look for a higher hp/tq number then EFI is what you want

2002 LB7 5 inch exhaust, ppe boost valve, boost/egt/rail pressure gauges, fass 95
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post #12 of 13 (permalink) Old 09-28-2019, 08:13 PM Thread Starter
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Quote:
Originally Posted by Super View Post
You can get any programmer you want, but why would you want to get away from EFI live? You get a good tuner for EFI an it’ll literally be made for your truck an it’ll run the best
It all depends on exactly what you want the truck to do. If you just want a little bump to spin the wheels at a stop light then any tuner will pretty much do it, if you want to get the extra power an have that extra itch of wanting more an knowing you’ll add bigger injectors/turbo an really look for a higher hp/tq number then EFI is what you want
Yea for right now I’ve reached the farthest I can go with mods on my stock motor, but I was getting efi and some other tuning mixed up lol
Honestly had no idea about tuning until I started putting these mods on my truck but from what I’ve heard yes efi live is the best way to go

2003 GMC Sierra 2500hd 4wd
Built suncoast tranny, suncoast billet converter, transgo shift kit, PPE boost valve, wicked wheel on turbo, electric cooling fans, 3” MBRP down pipe, 4” straight pipe exhaust, 165 gph airdog lift pump, 230 hp efi tuning, afe intercooler pipes hot and cold side, afe intake
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post #13 of 13 (permalink) Old 10-29-2019, 11:25 AM
 
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Thumbs up Down pipe

Instead of getting a 4" if you can get your hands on a banks exhaust that has a muffler because yes a straight 4" sounds good but it is what everyone does I personally think the banks exhaust sounds better.
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