LT1-LT4 Modifications 1993-97 Gen II Small Block V8

rebuild motor

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Old Jan 3, 2008 | 01:28 PM
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i know i should use search but for some reason search feature doesnt work at my school. well im starting to save money for a motor rebuild i want 2 bore and stroke to 383 ci.

how hard would it be for me and my father to do the rebuild (i know i would have to send it somehwere to get bored) i have all the basic tools and can get a hold of the tools i dont have.

but what about all the other stuff like pistons pushrods etc would that be too hard(we have a good experince and nothings stoped us yet on our vehicles) and how hard is it to put in a good h/c setup? and what size head and cam to keep it streetable as in dd

what price range im i looking at? and on average how much would it cost to rebuild the trans. ( i dont really want to mess with the trans myself)

thanks in advance to who ever answers.
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Old Jan 3, 2008 | 01:34 PM
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between $6k-$7k if you do it right!
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Old Jan 3, 2008 | 01:49 PM
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It's not that hard if you have experience in building LT1s. It would be easier for us to build you a short block just give us a call for a quote.
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Old Jan 3, 2008 | 01:59 PM
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After labor for pulling it out and putting it in, the machine work, the extra parts that need to be replaced, for a forged rebuild I say thats right arround what you pay.
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Old Jan 3, 2008 | 02:06 PM
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i want the experience of doing it my self b/c i want to be some kind of tech or maybe a mechanic at ups (my friends dad is one and they pay very well) and i feel like i have accomplished more when i have done it myself
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Old Jan 3, 2008 | 06:05 PM
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I built the LT1 that I used to have..I kept the stock Crank, used Forged Rods/Pistons, had it balanced, Hotcam Kit..few other things. I had about $2k invested in it. It's not that hard to do..just make sure you have the correct Bearing Clearances, and the Rings Grooves are placed in the right spots.

I built the 402 LSX that I have in it also..believe it or not, that one was easier.
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Old Jan 3, 2008 | 06:50 PM
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about 300 on machine work...plus the cost of a crank rods and pistons
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Old Jan 4, 2008 | 06:49 AM
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Originally Posted by daniel6718
about 300 on machine work...plus the cost of a crank rods and pistons
And 300 or so in gaskets, more in fluids, rings, keep going.

Honestly, buying complete short block's gonna be better deal overall, unless you are willing to take a chance on it having a short life. A shop that's got lots of experience is going to be more likely to get everything dead on, and will own all the tools to check all bores, journals, etc to within the thousandths of an inch that make the difference between a motor that will run and one that makes optimum power and lives a long life.

On the other hand, if you look at it as both a bonding and learning experience, by all means build it yourself. Chances are it'll come out well enough to live a reasonable life, and doing it yourself has benefits that can't be measured in dollars.


(Secret: internally, LT1 short blocks are pretty much a LOT like SBCs)
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Old Jan 4, 2008 | 11:53 AM
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well it depends youll get differant quotes fom differant people doing machine work...ive had a block line honed rods resized, hot tanked, got new rings bearings and gaskets all for less than 300 bux before...
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Old Jan 4, 2008 | 01:40 PM
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what about if i just do a strait up rebuild. with no boring or stroking would it be reliable that way?
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Old Jan 4, 2008 | 11:13 PM
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thats what i did, sent my shortblock and hands to a local machine shop. Used all the original internals, line honed, new bearing, rings, and they cleaned up the heads. Wound up costing me about $880 all said and done, that was with valve springs installed as well. The shortblock by itself was i believe $550, well worth it imo if you dont have the budget to go fully forged, my car runs great.
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Old Jan 5, 2008 | 09:54 AM
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Originally Posted by camaro-94-z28
what about if i just do a strait up rebuild. with no boring or stroking would it be reliable that way?
Ofcourse..get some Forged Internals and balance it, you will notice a difference.
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