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97SLT318
Dodge Dakota
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8/27/2007
01:56:04
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 Subject: im building a twin turbo 318
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ok ive got everything intercoolers, turbos, piping, everything, except, headers or manifolds. i need t3 manifolds for my 318. headers also. where cani find em thanks
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Shoe
GenIII
8/27/2007
02:49:37
|  RE: im building a twin turbo 318
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I am sure that the headers are going to have to be one-off custom made. Sorry.
Finally... a V8. '01 Dodge Dakota RC, 4.7, 5-speed, 3.92 LSD. = R/T Killer.
well at least a stock one
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daddio
Dodge Dakota
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8/27/2007
09:49:10
| RE: im building a twin turbo 318
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Shoe is right. those will have to be custom fabbed. there are header kits available on the web that allow to to custom fab them yourself.
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97SLT318
Dodge Dakota
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8/27/2007
11:34:41
|  RE: im building a twin turbo 318
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darn. alright, how much PSI do you think the stock 318 can handle? im thinkin like 10 PSI but im not sure.
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daddio
Dodge Dakota
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8/27/2007
11:47:43
| RE: im building a twin turbo 318
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i'm not familiar with forced induction. i would think you'd have that all figured out already since you purchased parts. Graphite and his brother in law have some experience with this. they blew up his 318.
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Brandon2
Dodge Dakota
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8/27/2007
12:21:56
| RE: im building a twin turbo 318
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On stock internals you can go 6psi on a 3.9L. I would say 6psi for the V8 also because it is the same motor w/ teo extra cylinders. This is what I have heard from a couple others. Good luck man!
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rammer
Dodge Dakota
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8/27/2007
12:39:46
| RE: im building a twin turbo 318
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when i had my 318 w/turbo stock head gaskets like over12psi,i strongly suggest to go with a good head gasket before you try to up the boost.7psi felt really good on my truck
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a-team
Dodge Dakota
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8/27/2007
14:15:12
| RE: im building a twin turbo 318
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If your going thru all the trouble of
installing these turbos and having custom
headers made, at least rebuild the engine/
heads/gaskets to handle it.
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1hotkadota
Dodge Dakota
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8/27/2007
14:17:49
| RE: im building a twin turbo 318
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What kind of fuel and/or engine management are you going to use?
Hey Rammer, tell him about the map sensor resistor thingy you told me about. That seemed really important.
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clint282cc
Dodge Dakota
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8/27/2007
17:00:07
| RE: im building a twin turbo 318
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x2. rammer what kinda fuel system did you use? if t was stock i might just buy a turbo and fab somthin up for like 5-6 psi.
also your rockers you sold me blew my motor lol... it was my fault though. i had a higher lift cam than expected
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1hotkadota
Dodge Dakota
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8/27/2007
18:42:54
| RE: im building a twin turbo 318
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Remeber guys, you want a turbo with a .70-.90 A/R turbine.
Don't make the mistake I did and buy one thats a 1.15 A/R.
That thing is big enough to boost a 600 cu in engine and won't spool up on my 4.7 till I hit like 4000 RPM.
Anyone want to turbo their R/V?
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rammer
Dodge Dakota
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8/27/2007
20:24:38
| RE: im building a twin turbo 318
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you need to install an zenor diode and resistor on map sensor wires so computor wont freek out. fuel system isnt stock,using an rising rate fuel pressure reg,24lb injectors,with an booster pump. with my old set up i have an 2 bar map(wasnt operating correctly) 39lb injectors(wasnt correct size for what i was doing)and the regulator,truck didnt want to idle right but ran great at wot
hey 1hotkadota you get anything finished on your set up yet. if you want to sell and buy a turbo look at craigslist/phx.com or call to arizona tractor turbo,talk to joel and tell him you want an borgewarner t-04. they were $400 when i got mine.then down size the hot section to .82 should work great,or he might be able to trade or something
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1hotkadota
Dodge Dakota
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8/27/2007
20:40:07
| RE: im building a twin turbo 318
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Do you think he could just change out the turbine housing to a smaller one? I've heard of them being interchangeable but I'm not sure if the A/R size is.
Yeah I definitely want a t-04 because everything I have is set up for one.
I'll check craigslist and maybe post mine up there for sale too.
I have everything except my oil lines and fittings, (I just found my oil pressure sending unit on Friday), a wastegate, a wide band O2 sensor, rising rate regulator, fuel pump, and zenor diode and resistor from Frye's electronics.
Oh yeah, I forgot to mention the friggin turbo.
You guys think I should put that 1.15 on there just for schnitz giggles?
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Guest
Dodge Dakota
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8/30/2007
10:36:37
| RE: im building a twin turbo 318
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When you boost the engine 6 psi, does that mean that it is actually running on 20psi
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modain
GenIII
8/30/2007
11:38:20
|  RE: im building a twin turbo 318
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According to what I have read: yes.
Check out http://www.turbobygarrett.com/turbobygarrett/tech_center/turbo_tech101.html
You will find more than enough to chew on for a while.
What's your left foot doing?
==============
2002 Graphite QC SLT Plus, 4.7L, NV3500, Superchips 3715, 3.92 LSD, R/T rear swaybar, no chrome, loads o'fun...
2001 Patriot Blue Durango SLT, 4.7L, 45RFE, Superchips 3715, 3.55 Open (for now)
1999 Forest Green Dakota RC Sport, 2.5L, NV1500, 3.55 Open
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daddio
Dodge Dakota
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8/30/2007
11:55:45
| RE: im building a twin turbo 318
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thanks for posting that modain. this will come in handy later down the line for me on an old project sitting in my driveway.
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1hotkadota
Dodge Dakota
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8/30/2007
16:14:47
| RE: im building a twin turbo 318
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The absolute pressure your running depends on what your altitude is. If you run 6 psi here in phoenix its around 19 psi because atmospheric pressure here is only about 13.5 compared to about 14 at sea level.
so technically everyone is running about 12-14 psi without a turbo depending on your elevation.
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