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Need help putting together a twin turbo kit. Please help

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Old 04-19-2009, 01:43 PM
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Default Need help putting together a twin turbo kit. Please help

Ok I have officially left the nitrous world behindand decided to go FI. Now I need some help getting the right parts for my kit. I am wanting to go with twins. Here is what the motor consists of:

Low comp 370
Stock 317 heads (for now)
vic jr. with elbow
Morel lifters
jesel rockers

Still need to get a cam for it.

Now I have no idea what parts go with what.

I was kind of thinking somewhere in the twin 61's area.

I am looking to make 800+ of full boost.

Basicaly if I went with some 61's, I have no idea what size of wasegates or BO to get.

I would appriciate any help and please keep in mind I am a total newbie to FI

Thanks
Old 04-19-2009, 08:28 PM
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Anybody? Is there some sort of special FI handshake I need to learn first? lol
Old 04-19-2009, 08:47 PM
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Well since you will be running 2 "smaller" turbos 38mm wastegates will be fine and a 50mm bov post the junction should do you there. Tial makes good units for both. As far as turbo size goes I think the 61's will get you there but I dont know if they will be the most efficient size. Maybe someone else can chip in for that info.
Old 04-19-2009, 11:54 PM
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Ok, cool. What do you mean not efficient? I should get bigger turbo's or smaller?


Also does anybody make a good intercooler for a twin set up?
Old 04-20-2009, 01:57 AM
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38mm gates may not be enough depending on how low you what to run the boost. keeping in mind that you're in Cali like me, if you plan on driving the car on pump gas you'll be limited to a conservative level of boost, but it also depends on the setup. A pair of 44mm's would probably be a better bet.
Old 04-20-2009, 11:56 AM
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Twin 61mm should do alright, but a pair of 6262 or S362 would probably do better. I would also go with two 44mm Tials to keep boost low, just to be safe.
Old 04-20-2009, 12:02 PM
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Originally Posted by ClovisAutoMotion
38mm gates may not be enough depending on how low you what to run the boost. keeping in mind that you're in Cali like me, if you plan on driving the car on pump gas you'll be limited to a conservative level of boost, but it also depends on the setup. A pair of 44mm's would probably be a better bet.
This is where meth comes into play...
Old 04-20-2009, 12:48 PM
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Turbos: 6265's or 6765's would be the hot ticket.
Wastegates: Tial 44mm's
BOV: Single Tial 50mm
Old 04-20-2009, 03:52 PM
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Do you know what kit you want to use yet? I'd do twin 67's and you'll always have more then enough power. Do you have a budget in mind? Street car or track car?
Old 04-20-2009, 04:20 PM
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I am going to just piece together a kit. 67's sound good to me.

I dont necissarily have a budget in mind, but I dont want to spend more than say.... 10k.

It will be driven on the street, but not exactly a street car. I am more building it for the track, it already has a 9" with a spool, wolfe anti roll bar, and rod end suspension so it wont be real street freindly.



Thanks for all the replies guys!
Old 04-20-2009, 06:03 PM
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$10K is doable but I'd say that's a good start price. I was looking at doing twin 67's and kept coming up with $15k-$20k ball park. Unless you can find a used kit or weld your own you're gonna be looking at a custom kit. I'd say $8k minimum there. Don't forget all the fueling, tuning, etc that adds up quick too. If I was to do a twin kit I'd save and save and get a speed inc in house kit. Around $15k out the door and one of the nicest kits you'll see.
Old 04-20-2009, 11:04 PM
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Yea, I am gonna save a little bit of money, I have a place that can get me all the piping and bend it for me and I can weld it.

I also already have a VERY stout fuel system and I have Hptuners so I will be tuning it with the help of a very good friend.
Old 04-20-2009, 11:58 PM
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Yeah, sounds like $10k is definitely possible, because fabrication and fueling are a major cost.
Old 07-22-2009, 03:19 AM
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bump i have the same hp goal as him. im looking to go high 9s in the winter on race gas. is this possible with twin master power t61s? or should i go with something bigger? it will be a truck manifold set up




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