Forced Induction Superchargers | Turbochargers | Intercoolers

twin 60's

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Old Aug 22, 2009 | 10:23 AM
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i have a chance to buy 2 60mm turbos for my 5.3. the exhaust are 1.15 . isn't that large? or would it just move the powerband up?
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Old Aug 22, 2009 | 11:38 AM
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Originally Posted by ccrider
i have a chance to buy 2 60mm turbos for my 5.3. the exhaust are 1.15 . isn't that large? or would it just move the powerband up?
I'm no expert, but that seems pretty high....I'm doing twin 62s with an .8x A/R...i don't think your 5.3 can spin fast enough to get the full potential. But don't quote me on that, I'm still learning my self...
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Old Aug 22, 2009 | 11:44 AM
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would i be better off with 1 then? this is all new to me also. also can you mix them, like 1 with a exhaust ar of 1 to have lowend and topend?
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Old Aug 22, 2009 | 12:02 PM
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Those are big A/R's on the turbine housing especially if going twins. A MasterPower turbo is $699 brand new and has a 1 year warranty. A single MP T70 turbo on that 5.3 should put it into the 9's in a lightweight car with traction. Upgrade the cam and valvesprings while you are at it. Rod bolts as well if you got the extra funds.
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Old Aug 22, 2009 | 12:23 PM
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Originally Posted by ccrider
would i be better off with 1 then?
Hmmm... good question, on one hand you have a 60mm turbo, which i see usually used in twin applications, but the AR is soo high that its hard to say when you see boost...

Originally Posted by ccrider
. also can you mix them, like 1 with a exhaust ar of 1 to have lowend and topend?
on a V configuration, no, but on a straight 6 thats typically what they do..
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Old Aug 22, 2009 | 12:24 PM
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Originally Posted by gnx7
Those are big A/R's on the turbine housing especially if going twins. A MasterPower turbo is $699 brand new and has a 1 year warranty. A single MP T70 turbo on that 5.3 should put it into the 9's in a lightweight car with traction. Upgrade the cam and valvesprings while you are at it. Rod bolts as well if you got the extra funds.
what he said
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Old Aug 22, 2009 | 05:12 PM
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Originally Posted by IT_SS
I'm no expert, but that seems pretty high....I'm doing twin 62s with an .8x A/R...i don't think your 5.3 can spin fast enough to get the full potential. But don't quote me on that, I'm still learning my self...
I love how people with no real knowledge on the subject always feel compelled to add their 2cents.
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Old Aug 22, 2009 | 06:43 PM
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i appreciate the inputs cause they all know more than me at this point
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Old Aug 23, 2009 | 04:44 PM
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Originally Posted by LivingCanvas
I love how people with no real knowledge on the subject always feel compelled to add their 2cents.
and it's lovely how you come in say something with no help added. But you would need to ask yourself where do you want you powerband. With an AR like that you will mostlikely see your boost and powerband near the top end range. Think of those highway supras. Check out the sponsors webpage (forcedinductions) and read up they have some helpful info on there but if you need to ask anyone try to get ahold of Jose on here to get some help. He is wondering around on here somewhere
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Old Aug 23, 2009 | 05:36 PM
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Originally Posted by LivingCanvas
I love how people with no real knowledge on the subject always feel compelled to add their 2cents.
i was just helping and sharing what I've learned, I know and will admit to not being the authority on forced induction...
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Old Aug 23, 2009 | 06:32 PM
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and i appreciate your help IT SS , we all have to learn!
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