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Old 04-20-2014, 04:06 PM   #1
stepside68longbed
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Join Date: Mar 2014
Location: Atlanta GA
Posts: 94
LS vs 383

I'm debating which one to do 383 or LS I will be driveing my truck every day so I'd like to get decent gas mileage. I will only be running a fan and alt no ac or other bull crap just an FYI there.

LS 327ci 327hp
LS people I have a few questions.

What is the difference between the numbers like ls1,2,3 so forth?

Will it bolt up to my 350turbo automatic trans? (I may buy a new trans... What should I look at?)

Will I need to change my gear ratio?( I'm buying a 5 lug axel off a guy thinking about makein it posi)

How would my mpg be not playing with it? I will drive my truck not let it sit just for me to look at..

Should I get new harnes to be reworked? (Or do they put all new wires on?)
Where do I take them to do so?
How much does that cost?

383 310hp 385TQ

What would my mpg be driveing it no playing?

Wouldn't my wireing harness hook up the same?
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