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Getting a 5.3L into the 12's

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Old 09-29-2007, 01:31 AM
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ok great, this is exactly the kinda input i was looking for.

im going to build front the back to the front, cuz there's no reason having a badass motor in front of a stock differential and tranny; especially the ones that came in these trucks. ill be gradually building as i go and like i said, i hope to be there in the next 2 - 3 years.

im shooting for an STS system because its not such an eyesore under the hood... yes it is a large investment but it will be the icing on the cake for me. everyone does nitrous and i wanna do something different.

here's my rough draft for phase I (the basics) of mods:

custom tune
servos
LT's and exhaust
heavy-duty locker (ive heard the factory G80 units arent very stout)
tranny cooler
converter
cam, springs, & pushrods


*after phase I we'll see where i am and then i can figure out where else i wanna go with the truck
Old 09-29-2007, 06:06 AM
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Just out of curiosity, what are vette servos and what do they do? And TC, I checked the acronyms sticky but didnt see it. Thanks.
Old 09-29-2007, 12:12 PM
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Originally Posted by mcphck
Just out of curiosity, what are vette servos and what do they do? And TC, I checked the acronyms sticky but didnt see it. Thanks.
they're the apply servos in the transmission. they allow the transmission to shift quicker and also prolong clutch failure. cheap insurance but know if you're putting much power through a stock 60E that its bound to fail eventually.
Old 09-29-2007, 05:25 PM
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if you want all motor your gonna need to be fully bolted, with a 220/220 cam and 3k stall, and a nasty tune...and a fully built trans cause its gonna puke. even then its a big truck for 12's
Old 09-29-2007, 05:33 PM
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im pretty sure your gonna need a power adder for 12s in a ecsb.

id say full bolt ons, cam, stall , trans, gears, locker, and either a SC, turbo, or n2o
Old 09-29-2007, 05:47 PM
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ok cool, yall are exactly right... i should set my goal for perhaps a 13.5 with bolt-ons then shoot for 12's with my power-adder (turbo or nitrous... or both )


ill do everything progressively, adding one component at a time and running down the track after each mod to show how each individual component affected my e/t's. first thing i need to do is run my truck down the track stock to find my starting point. then after my custom tune ill run it down the track again, and so on after each future mod.

Last edited by Tavenner13; 09-29-2007 at 05:53 PM.
Old 09-29-2007, 06:40 PM
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Originally Posted by mcphck
Just out of curiosity, ...And TC, I checked the acronyms sticky but didnt see it. Thanks.
TC = torque converter. Sometimes you'll see it called a stall (which REALLY burns some people's biscuits LOL).
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