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need build idea 5.3 turbo

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Old Jul 2, 2012 | 08:10 PM
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Default need build idea 5.3 turbo

dont really got a budget this just a project ill slowly put together over the years i need some input on wut i should get

i got a 5.3 out of a 05 truck 4 free i wanna get 900 hp or so out of it

wanna do turbo dont matter if single or twin w.e works best for it

i know i need like diff cam forged rods/pistions just dont know good brands or wut esle i need

my machinist priced me 5k for a build is that good? or to high
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Old Jul 2, 2012 | 08:28 PM
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With just reading the BSnet, i think the most common is a magnafuel pump with big lines, 120lb injectors with rails, stock intake and TB, ls9 head gaskets and studs, s475/80 with a 2.5" hotside with flipped manifolds
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Old Jul 10, 2012 | 03:20 AM
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Originally Posted by 89ROC-Z
With just reading the BSnet, i think the most common is a magnafuel pump with big lines, 120lb injectors with rails, stock intake and TB, ls9 head gaskets and studs, s475/80 with a 2.5" hotside with flipped manifolds
no forged pistions?
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Old Jul 10, 2012 | 01:14 PM
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im more than sure you would need to go forged do haveing stock high compression pistons, you would need low compression pistons to get around that power.
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Old Jul 10, 2012 | 02:07 PM
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It can be done with stock pistons and rods. Just dont think its going to last forever.
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Old Jul 10, 2012 | 02:30 PM
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Originally Posted by derly956
im more than sure you would need to go forged do haveing stock high compression pistons, you would need low compression pistons to get around that power.
Dead wrong.....
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Old Jul 10, 2012 | 02:52 PM
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What are you putting this motor into?
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Old Nov 14, 2012 | 06:16 PM
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1970 gmc long bed
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Old Nov 15, 2012 | 11:12 AM
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Originally Posted by BottleFedZ346
Dead wrong.....
Not disagreeing but please explain. If his block is the HO aluminum one then the pistons are supposed to be flat topps and its a 10.1:1 engine if Im not mistaken. Then iron ones are the dished ones with 9.5:1 or so. No???
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Old Nov 15, 2012 | 01:32 PM
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The HO is flat top with 9.9 to 1. Doesnt really matter. 9.5-10 to 1 is low compression these days.
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Old Nov 15, 2012 | 02:11 PM
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Originally Posted by LS1NOVA
The HO is flat top with 9.9 to 1. Doesnt really matter. 9.5-10 to 1 is low compression these days.
exactly... I just wasnt sure if he was refering to the forged pistons or the compression part.
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