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Forced Induction Superchargers | Turbochargers | Intercoolers

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Old 09-17-2012, 01:31 AM
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Originally Posted by a-low
Has anyone used a gt45 on a full weight fbody? Most results have been on light
weight cars.
how bout a 4700lb truck?

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Old 09-17-2012, 09:04 AM
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So the on3 t76 is bigger than the gt45 right?
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Old 09-17-2012, 09:58 AM
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So the on3 t76 is bigger than the gt45 right?
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Old 09-17-2012, 11:06 AM
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The on3 has a bigger compressor inducer but smaller turbine exducer
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Old 09-17-2012, 03:47 PM
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I love mine, its good on a LQ4, and works even better on a 5.3.
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Old 09-17-2012, 03:56 PM
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^^ do u think the 6.0 is to big?
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Old 09-17-2012, 06:05 PM
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anyone have some dimensions of the physical size of a gt45? thinking of going twins on my 6.0 (awaiting a built motor) and have limited space
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Old 09-17-2012, 07:16 PM
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It's quite large actually. I can get you some measurements tomorrow.
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Old 09-17-2012, 08:26 PM
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Are there any "chinese" GT45's with a compressor wheel larger than ~68mm. Seems kinda small for a 5.3L, but I like the ~77mm turbine.
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Old 09-17-2012, 09:32 PM
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Old 09-17-2012, 09:56 PM
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Originally Posted by Ferocity02
Are there any "chinese" GT45's with a compressor wheel larger than ~68mm. Seems kinda small for a 5.3L, but I like the ~77mm turbine.
The only one ive seen is the ebay t88 that has 76mm compressor but its like 500 bucks.
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Old 09-17-2012, 10:31 PM
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Originally Posted by 831jd
^^ do u think the 6.0 is to big?
No I got 1.01A/R turbo works great with my setup.
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Old 09-19-2012, 12:29 PM
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what kindof feed/return are you guys running? i have -4 feed/-10 return.. wonddering if i should get a restrictor
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Old 09-19-2012, 12:41 PM
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I am runnin a .080 restrictor. No smoking or anything so far.
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Old 09-19-2012, 12:44 PM
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ive always bought a -4 feed with a .080 restrictor built in off amazon and a -10 or -8 drain
whatever is easier to fit on the car

-8 is nearly overkill for a restricted feed
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Old 09-19-2012, 12:45 PM
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Amazon Amazon

12 dollars restricted feed, gasket and bolts
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Old 09-19-2012, 01:07 PM
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my gt45 came with instructions that stated....no restrictor for 70 psi or less oil pressure. I run a 3/16" brake line feed and 5/8" return.
Im right around 70-75 psi when on the gas and havent had an issue in years.
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Old 09-19-2012, 01:07 PM
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Originally Posted by denmah
http://www.amazon.com/Turbo-Feed-Ada...t4+feed+flange

12 dollars restricted feed, gasket and bolts
awesome - thanks guys.
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Old 09-19-2012, 02:09 PM
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Sounds like as long as u give it some oil it will be happy. Love these turbos!
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Old 09-19-2012, 02:17 PM
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Originally Posted by denmah
ive always bought a -4 feed with a .080 restrictor built in off amazon and a -10 or -8 drain
whatever is easier to fit on the car

-8 is nearly overkill for a restricted feed
Any more info on your truck? Is your GT45 a 68/77?
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