vgt garret powermax or RCD 64mm non vgt - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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Old 07-31-2010, 02:28 PM
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vgt garret powermax or RCD 64mm non vgt

I will be getting RCD's 190cc injectors. I am shooting for mid 500's. I want to get maximum fuel mileage, be able to tow light loads, and pull a sled while still having a reliable truck.
Is there any fuel systems that come with regulated return? What is the cheapest route on the fuel system part of this? Only thing I am not looking forward to. That and hoping the dealership did the studs right.
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Old 07-31-2010, 03:48 PM
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Airdog II DF165 should take care of the fueling needs. The Garrett will give you better driveability I would think and is capable getting you well into the 500's. When I can afford them I plan to go with the Garrett and 175's.
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Old 07-31-2010, 04:26 PM
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River City said I need a regulated fuel return as well as the airdog II
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Old 07-31-2010, 04:34 PM
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please explain the fueling part, I am very confused. This is a pump as well as a regulated return? I have never even worked on the truck but plan on doing some of this.

Where is the best place to buy the powermax. I understand they are on national back order but still.
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Old 07-31-2010, 04:42 PM
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I plan on running the PowerMax and some 155cc 8-hole injectors. They say the PowerMax can support 550HP easy, but I'm not so sure about my tranny.
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Old 07-31-2010, 06:13 PM
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Seeing as how the AirDog2 uses a regulated return you don't need a stand alone RR system added to the AD2.

Quote:
I want to get maximum fuel mileage, be able to tow light loads, and pull a sled while still having a reliable truck.
Is this even possible?!?! LOL This isn't a swiss army knife. You will give up in some areas to gain in another. There are plenty good combos that will do one part what you want just find a happy medium between the three setups and be happy.
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Old 07-31-2010, 07:20 PM
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My Turn....................

As Heavy stated, you dont need an RR if you have the Airdog 2 its built into the Airdog, also if anything if you want to open the heads up is a crossover line thats it. As for the 64mm yes its good for power and a little No2, but driveability in my experience I didnt like it. I had a dead spot once it shifts into overdrive and rpms dropped to 1300 it didnt keep the turbo spooled and I would smoke the road really bad, did some tranny adjustments to hold the gears longer at a higher rpm, and gear swap to 4.30 helped some but didnt solve my problem.

You can tow with the 64mm low end isnt bad but if your criusing above 65mph you'll be great but once you drop in rpm you loose it all, I learned my lesson driving into the mountains in Wva if I loost boost into overdrive it was hell trying to get it back.

Last edited by RescueF250; 08-01-2010 at 03:42 AM.
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Old 07-31-2010, 07:34 PM
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mine ran great with a 62/70 and 190s, but like Kevin said there is a bit of a deadspot around 50 or so. go with the vgt. you will be happier. there is a reason most guys dont run a single vgt for very long. most end up with a larger vgt or compounds.
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Old 07-31-2010, 07:36 PM
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Large VGT in the future for ME SAM HEHEHEHEHEHE
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Old 07-31-2010, 07:37 PM
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and a rr kit and the airdog regular will fight each other so there is no point in having 2 as the fuel can only be regulated to one pressure. alot of guys have been using the 6.4 banjo bolts which dont have a checkvalve on them and have larger holes for the fuel passage instead of bothering with the upgraded lines.
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