The tune has to be awful running N/A. Get it retuned with the injectors taken into consideration. Do it once you get the new engine in and be done with it. Do you have a nelson tune?
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No...I know a guy who had hp tuning software on his laptop...it came with an o2 sensor that he put in pre-cat and we made a few passes while he tuned it...he did a good job right after it was done but i'm not sure how well it's working with the application i've got now...
Last edited by SShanks; 06-15-2008 at 08:31 PM.
"If you get a 6.0 find the cheapest one you can get your hands on, then rebuild it your self. TRUST ME"
Do you suggest I just find a block, then heads, then an intake, etc.? I've never built an engine...I've been limited to just adding bolt-ons I guess. The hardest thing i've done is putting a STS turbo kit on my truck, which was actually pretty easy...
Last edited by SShanks; 06-15-2008 at 08:32 PM.
If you build it... they will come. Do it your self and buld it like you want. IF your gunno go Turbo... build a turbo motor. Take the time to heat/cryo treat stuff before final install as well. consider thermal coatings. ect.
I really think I wanna go all motor this time...Don't get me wrong, I loved having that turbo, but it's so much sweeter when you can strap it on someone all motor. I'm just gonna have to do my research on this site and start saving money...what do you think a 4.8L with 40,000 miles would bring if I tried to sell it?Originally Posted by ff_jeff
Pay a professional to do it right the first time if you're unfamiliar with building engines.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
Yeah...I probably should. My friend did it to his though...He's not exactly the sharpest and he did it. I'm sure he could help out. I don't know though...He's real shady so it may not even really be a 6.0; I saw the 6.0 sticker on his air box but he could have pulled it off of one. How else can you tell if it's a 6.0 just by doing a visual inspection?Pay a professional to do it right the first time if you're unfamiliar with building engines.
Id say $500-$1500 for the 4.8. And I aggree On getting a pro to do the build. Just know what your goals are. And let him do all the work. as for telling if its a 6.0... you would have to get the number off the heads, and/or block.
On the flywheel end of the engine block is cast 6.0 if its a 6 liter. If it has 4.8/5.3 on it you have to roll a piston to the bottom of the bore and then measure how deep it is. If its about 3-5/8" then its a 5.3L, less means its a 4.8L
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
He's got patriot heads and I'd be a little obvious looking for the numbers on the block...It runs like a striped ape...I know that. He's getting the trany rebuilt b/c his 3rd gear went out. He put a stock trany back on it and has it tuned way down until he gets his other trany fixed. He really recomends a nelson tune. Don't they just send you a PCM and you return your stock one back to them?
Would I be able to see that from underneath? We've kind of have a little competition going for a while so I'm just curious...He's good about sneaking little things in hear and there and b s-ing me. I'd say he's way ahead now since I siezed my motor when I had that STS kit on...
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