Need opinion on what turbo to use
05-31-2009, 02:39 PM
#1
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Need opinion on what turbo to use
I'm looking for about 300-350 hp for my daily.
750 cc injectors
38 mm wastegate on a cast manifold.
But i have 3 options
50 trim garrett w/ 1.00 a/r on the turbine and .60 a/r on the comp
57 trim turbonetics w/ .48 a/r
62 trim turbo xs
750 cc injectors
38 mm wastegate on a cast manifold.
But i have 3 options
50 trim garrett w/ 1.00 a/r on the turbine and .60 a/r on the comp
57 trim turbonetics w/ .48 a/r
62 trim turbo xs
05-31-2009, 03:55 PM
#2
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Re: Need opinion on what turbo to use
what motor are you talking bout...
all 3 of those turbos will get you 300whp... If you talking bout a GSR motor...
Its all on your tuner
all 3 of those turbos will get you 300whp... If you talking bout a GSR motor...
Its all on your tuner
05-31-2009, 04:14 PM
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Re: Need opinion on what turbo to use
If those are your only three choices, definitely go with the .48ar Turbonetics. 57 trim covers a good range of power and response. 1.00ar on the turbine is way to laggy for street. Not sure what your motor set-up is but for street use I would not go larger than a .63ar turbine. On my GSR motor, I'm using a ramhorn turbo manifold with a Garrett T3/T4 with 57 trim, .63ar turbine and .60ar comp. I've decided to cut back on HP and want a little more low end torque and response from my turbo. I will be trying the .48ar turbine in hopes of accomplishing a more responsive turbo for the street. It may lose some power up top but my power goal will be no more than 300whp with a better torque curve.
05-31-2009, 04:52 PM
#4
Re: Need opinion on what turbo to use
^^^ changing your manifold will do a better job of creating the response you need without the additional radiant heat that will be created from going to the smaller turbine volute. Keep your .63A/R, change your manifold to an equal length shorty or log to get the response you're looking for.
To Kdf -- Please state what engine and purpose the car is going to use.
To Kdf -- Please state what engine and purpose the car is going to use.
05-31-2009, 05:12 PM
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Re: Need opinion on what turbo to use
Its a dd just looking for a lil more power.
Like i said 300-350.
Still wanting to maintain my ac.
And prolly gonna step down to 550 cc injectors
Want a quick spooling turbo.
With a good power band.
Don't wanna wait for 5.5-6k for turbo to kick in.
Sticking with stock ls transmission for longer gear ratios.
Last edited by KdF; 05-31-2009 at 05:46 PM.
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