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  #16 (permalink)  
Old 10-16-2012, 04:43 PM
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Quote:
Originally Posted by my87Z View Post
I personally would say go the diesel route. If you can find a later model duramax then that is what I would use.

here are some numbers from the Duramax engine.
01-04' 6.6L LB7 which for the early years had 235hp/500tq but for the later years made 300hp/520tq

05-06' LLY which had 310hp/520tq in 05' and 310hp/605tq in 06'

late 06-07' LBZ which had 360hp/650tq

if you were able to take the emission equipment off of these and run a free flowing exhuast with a tune upgrade It should be had at all to make 450hp and 750tq and still average 20mpg. You'll spend a bit more finding the engine but I think it would be well worth it.
This makes sense to me.

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  #17 (permalink)  
Old 10-16-2012, 05:38 PM
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I must have missed the op mentioning diesel.
I totally support going diesel too. Its pretty involved since there is a lot to change, but the benefits are huge. Despite how much I love the duramax, the 12v or early 24v cummins would be cheaper to swap in. If you can get your hands on a duramax then go for that, but the cummins will be cheaper normally.

Either way, diesel would be an awesome investment especially if you plan to drive the truck a lot.
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Old 10-16-2012, 06:21 PM
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My local junk yard usally has a few ls and lt motors setting next to the sales counter. They always have the harness and ecu for swaps wrap around the top of the intake. Local shop will have the same.

For the price of a bbc you could buy a low mile vette setup with a flat oil pan and efi ready to go. A cam and a tune will solves most performance issues. Not sure how many puppys you need but a solid 350 or 400hp is in the range without much trouble. Also a lot more rpm is available before mods are needed.

I think the ls will mount lower and further back against the fire wall. Help keep you planted. Not sure what kind of off roading you do. Bbc will be top heavy in most pickups because of how high it will be mounted.

Hope it helps
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Old 10-16-2012, 10:02 PM
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I would love a diesel in my truck its just I have tons of help with the ls I have a few friends running them in camaros and blazers and wouldn't the cost be alot more then either a stout big block or decent ls
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  #20 (permalink)  
Old 10-17-2012, 09:58 AM
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Originally Posted by Syn77 View Post
I would love a diesel in my truck its just I have tons of help with the ls I have a few friends running them in camaros and blazers and wouldn't the cost be alot more then either a stout big block or decent ls
It would cost a little more initially but with the money you'll save on gas the diesel will end up costing less
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