5.3l twin turbo sizing
02-19-2010, 12:31 PM
#1
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5.3l twin turbo sizing I'm getting ready to start a new project and am wondering what size turbos would work well for a relatively fast spool time - say around 2500-3000 rpm.
The setup is:
5.3l with 241 heads for a CR ratio of about 8.8:1
Front mount setup using C6 manifolds
Six speed and 4.11 rear gear
60lb injectors
Z06 cam
I am thinking this setup should be able to support around 15 psi on 91 pump gas safely - open to thoughts here as well.
What size turbos I should go with for this?
The setup is:
5.3l with 241 heads for a CR ratio of about 8.8:1
Front mount setup using C6 manifolds
Six speed and 4.11 rear gear
60lb injectors
Z06 cam
I am thinking this setup should be able to support around 15 psi on 91 pump gas safely - open to thoughts here as well.
What size turbos I should go with for this?
do you think is wise to throw on Twin T70's on the 5.3 for now if I plan on moving up to a 402 later??
02-19-2010, 01:22 PM
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I have a single t70 on an ls1 and it spools around 2800... I would think two of these on a 5.3l would spool much later. Probably depends on the housing size as well, mine is a .96
02-19-2010, 02:13 PM
#7
No I do not have model numbers, I am sure FI can set you up with something though.
Twin 70s will take a good bit to get lit up on a stockish 5.3l even with the small turbine housing. They will work but will not have a great feel on the street, you will be wating for boost. They would be great on a 402 though!
Twin 70s will take a good bit to get lit up on a stockish 5.3l even with the small turbine housing. They will work but will not have a great feel on the street, you will be wating for boost. They would be great on a 402 though!
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02-19-2010, 05:12 PM
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No I do not have model numbers, I am sure FI can set you up with something though.
Twin 70s will take a good bit to get lit up on a stockish 5.3l even with the small turbine housing. They will work but will not have a great feel on the street, you will be wating for boost. They would be great on a 402 though!
Twin 70s will take a good bit to get lit up on a stockish 5.3l even with the small turbine housing. They will work but will not have a great feel on the street, you will be wating for boost. They would be great on a 402 though!
Last edited by IT_SS; 02-19-2010 at 06:07 PM.
