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Boosted aluminum 5.3??

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Old Nov 28, 2013 | 11:24 AM
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Default Boosted aluminum 5.3??
How is the aluminum 5.3 block for boost?? Looking to start a turbo build in a few months and just ran across a shortblock on craigslist for 300$. I tried searching but couldn't seem to find anything..
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Old Nov 28, 2013 | 11:28 AM
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If its a l33 5.3 I've seen 30 pounds
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Old Nov 28, 2013 | 11:39 AM
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mine is the l33 aluminum. will be upping the boost shortly.

http://forums.corvetteforum.com/c5-f...o-results.html
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Old Nov 28, 2013 | 12:01 PM
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Try searching harder
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Old Nov 28, 2013 | 12:57 PM
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Originally Posted by stevieturbo
Try searching harder
Why make a douche comment??

Anyways, it seems that I've read before that they handle it pretty well. I'd just always heard of everyone going iron..
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Old Nov 28, 2013 | 01:01 PM
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Originally Posted by JustAFooL
Why make a douche comment??

Anyways, it seems that I've read before that they handle it pretty well. I'd just always heard of everyone going iron..
That is mainly due to availability.
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Old Nov 28, 2013 | 01:32 PM
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Guess its just odd that aluminum is as sought after as the iron. Just wouldn't think its as strong.. just bought the block though. It came with everything rods.
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Old Nov 28, 2013 | 01:35 PM
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Aluminium is lighter, it has thick cylinder walls, it is very strong, it is light and they're still very cheap.

That's why so many people are now using them with boost.
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Old Nov 28, 2013 | 08:15 PM
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I've had mine for 3 years. Running 10-14 lbs ...its a strong motor...I'd never do a cast iron 5.3 ..the l33 is 4x better
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Old Nov 28, 2013 | 08:26 PM
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The aluminum 5.3 block has really thick steel sleeves which makes those stronger then the aluminum 5.7 or LS2 6.0.
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Old Nov 29, 2013 | 12:20 PM
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Ran mine hard this year at 28lbs and 950whp. 1200whp next year.
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Old Nov 29, 2013 | 06:50 PM
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How many passes/miles were put on it? Stock bottom end?
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Old Nov 29, 2013 | 09:40 PM
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Originally Posted by JustAFooL
How many passes/miles were put on it? Stock bottom end?
Forged pistons and rods. Probably20 dyno pulls, 30-50 quarter mile runs, 1000 street miles.
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Old Nov 29, 2013 | 09:45 PM
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I have 2 2013 5.3 aluminum shortblocks I'm selling for 500 each plus shipping
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Old Nov 30, 2013 | 11:25 AM
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Wiseco pistons and Eagle rods in mine for whoever asked.
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Old Nov 30, 2013 | 07:11 PM
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Originally Posted by anheuserbusch08
I have 2 2013 5.3 aluminum shortblocks I'm selling for 500 each plus shipping
im looking for a spare 5.3 shortblock to use or build pm me info on these please!
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Old Dec 1, 2013 | 06:41 PM
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Originally Posted by LS1NOVA
Wiseco pistons and Eagle rods in mine for whoever asked.
I pm'ed you about it. I'm building a 5.3 and want to know what pistons and rods are proven for long periods of time at 4 digit power levels. Since I will be putting down 900+ right off on mine.
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Old Dec 2, 2013 | 12:14 PM
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I may actually pick up a spare. Could use the block for a 383 striker for my vette. Or, a spare for when my turbo project blows up! Ha!
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Old Dec 2, 2013 | 12:25 PM
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Originally Posted by stevieturbo
Aluminium is lighter, it has thick cylinder walls, it is very strong, it is light and they're still very cheap.

That's why so many people are now using them with boost.
Originally Posted by lsxmalibu
I've had mine for 3 years. Running 10-14 lbs ...its a strong motor...I'd never do a cast iron 5.3 ..the l33 is 4x better
Originally Posted by T/ALT1
The aluminum 5.3 block has really thick steel sleeves which makes those stronger then the aluminum 5.7 or LS2 6.0.
Originally Posted by LS1NOVA
Ran mine hard this year at 28lbs and 950whp. 1200whp next year.
Mine is completely stock cam, springs, head studs, and gaskets only. I made 20-25passes this year and went 8.76@156 with mine. They are the ****.

I would guess the 850-900whp range is where you will need to consider forged internals. I have a L33 short block being assembled with weisco's and eagle rods now and I will push my stock short block until it pops on E85 and a larger turbo in the spring. then switch.
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Old Dec 13, 2013 | 12:30 PM
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Originally Posted by S13LSx
Mine is completely stock cam, springs, head studs, and gaskets only. I made 20-25passes this year and went 8.76@156 with mine. They are the ****.

I would guess the 850-900whp range is where you will need to consider forged internals. I have a L33 short block being assembled with weisco's and eagle rods now and I will push my stock short block until it pops on E85 and a larger turbo in the spring. then switch.
If u need a spare I have these 2 sitting here they'll need to be torn down and cleaned up, might as well gap the rings for boost while they get torn apart and reassembled
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