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t-78 turbo advice

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Old 05-31-2010, 07:42 AM
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Default t-78 turbo advice

I have been gathering info for a turbo build and really hadnt planned on buying a turbo yet, in fact, I was planning on buying twins. Anyhow, I ran across a deal on a new in box turbonetics t-78 ball bearing, water cooled turbo for $1000. Its the F1-68 wheel 1.15 A/R. Im pretty sure the price is good, could only find ebay pricing otherwise, would this be okay sized on my set up if I decided to run it? LS3, cleaned up for forged pistons so its 382 cubes, tied to a t-56? thanks!

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Old 05-31-2010, 08:13 AM
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yes that should be perfect
Old 05-31-2010, 08:40 AM
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any idea on how that is price wise anyone? could I find one similiar priced brand new from a vendor?
Old 05-31-2010, 12:10 PM
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I think they're about $1500
Old 05-31-2010, 12:23 PM
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How much power are you trying to make? Turbo is alittle small but could be perfect depending on what your trying to do.
Old 05-31-2010, 01:11 PM
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well, I was hoping to be able to put down 650 to the tires on just pump gas, really id like to have alow 10/ high 9 sec street cruiser, whatever it takes to get there and pretty much whatever the motor can make on race gas/ meth down the road. its going to be a regular street cruiser weather permitting so I dont want to have to run to 4500 rpm to make boost as well.
Old 05-31-2010, 01:12 PM
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I have checked with a few different web sites and got an idea on prices, $1400+, just listing a similiar turbo, not spec'd exactly the same.
Old 05-31-2010, 02:18 PM
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Yeah this turbo will make 700+rwhp on your combo with no problem!



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Old 05-31-2010, 09:38 PM
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I know the turbo in which you are looking at and I know what the guy who originally bought it paid for. I can tell you a $1000 is a great deal on it. It retails for $1299 plus $300 for BB and $150 for the welded on 3 1/2 DP flange. You do the math,

Since it's a FULL T78 and not a compacted TC78 (78mm wheel put in a 60 series cover) It's rated to about 1200 fwhp in the right conditions
Old 05-31-2010, 10:10 PM
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Originally Posted by kbracing96
I know the turbo in which you are looking at and I know what the guy who originally bought it paid for. I can tell you a $1000 is a great deal on it. It retails for $1299 plus $300 for BB and $150 for the welded on 3 1/2 DP flange. You do the math,

Since it's a FULL T78 and not a compacted TC78 (78mm wheel put in a 60 series cover) It's rated to about 1200 fwhp in the right conditions
awesome, thanks for the feedback! im going to give this thing a shot!
Old 06-01-2010, 07:34 AM
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x2 on it being about twice as big as you need.
Old 06-05-2010, 12:15 PM
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Ok, figured id bump this thread for a few more questions, and I did buy the turbo ( and im stupid happy about it )

I was thinking about how to run water to the turbo, not sure how most people do it and id never considered buying a water cooled or BB turbo much. Anyhow, I was thinking of using the water returning from the heater core in the truck to run through the turbo, wondering if that would work? I would put a "y" inline and restrict flow to the water pump a bit to make sure im pushing some water through the turbo. thoughts? could I just run all the water from the heater core through the turbo instead of putting a "y" inline?
Old 06-05-2010, 03:31 PM
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Originally Posted by dimetweaker
Ok, figured id bump this thread for a few more questions, and I did buy the turbo ( and im stupid happy about it )

I was thinking about how to run water to the turbo, not sure how most people do it and id never considered buying a water cooled or BB turbo much. Anyhow, I was thinking of using the water returning from the heater core in the truck to run through the turbo, wondering if that would work? I would put a "y" inline and restrict flow to the water pump a bit to make sure im pushing some water through the turbo. thoughts? could I just run all the water from the heater core through the turbo instead of putting a "y" inline?
Just put a T in both heater hoses and run the line from the T to the turbo fittings. One line is naturally higher pressure then the other, so coolant will flow through the turbo and you won't be restricting flow to or from the heater core. That's how I do them. Help products makes such a T with 5/8 in/out and a 3/8 "T". It a factory Ford replacement part.



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