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Old 10-29-2010, 03:59 AM   #1
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Very confused with turbo setup need input

hey guys need some help, i'm very confused....I am going to turbo my 2002 svt focus. It has about 95,000 miles. It is stock, except for an intake. So far I have gathered:

t3/t4 internally wastegated "hybrid" turbo 57 trim .63 AR
random intercooler 28x7.5x2.5
greddy blow off valve
glowshift vac/boost gauge
innovate lc-1 wideband for a/f ratio
t3 flange to weld onto future headers

Now I am under the impression that I still need the following:

intercooler piping and silicone couplers

turbo exhaust manifold (headers)

downpipe

bigger injectors (do I really need this? at what point does the svt focus need new injectors? I want to make 300whp. Tom told me stock they are 30lb. and he said I would need 60lb. My friend said I would only need 42lb.)

bigger fuel pump (do I really need this? Tom says I do need this, my friend says I don't.)

diablosport MAFia (do I really need this? how well does it work? Tom says I need this, my friend says it's a POS and to just get a new MAF that is calibrated for my car from pmas or promracing http://www.promracing.com/mass-air-m...3-pro-tube-p-9 because he has this and has perfect a/f ratios, and that if i just get the new MAF (protube) I won't need the MAFia OR a tune becuase he doesnt have a tune either.)

a tune (do I really need this? ok please refer to above, I think I need it, my friend says I shouldn't need a tune if i just go with the protube http://www.promracing.com/mass-air-m...3-pro-tube-p-9 and that if I do need a tune he can give me his SAFC and that will work???)

oh yeah and how much boost can I run on the stock svt internals? only the rods are forged right? the rest is cast? my friend says to not go above 6 psi and if i want 8psi water/meth injection into intake is a MUST, but you guys run 10,11,16, even 20 psi right??? ugh I just don't know anymore

thanks in advance for input! please be as detailed as possible


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Old 10-29-2010, 04:28 AM   #2
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Yes, you do need the injectors, mafia and you, of course, need a tune if you are gonna turbo that is if you wanna keep your motor together.

Aside from what parts you need or don't, you need to stop second guessing your tuner/builder SPECIALLY like this; Tom's telling that you need all those because he's done this many, many times including mine. He's really looking out for you because if you don't have all those factors come together you're gonna run into problems down the road and if he's tunning and you don't have it all together you'd still be responsible for tunning cost even though it wasn't done due to your poor planning.

So either listen to your friend, who may or may not know anything about foci, or listen to the tuner that will be tunning your car. Besides, why would ask Tom a question and then doubt him?

I have a turbo and have all these parts you mentioned and more, all of them are essential on a turbo focus.

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Old 10-29-2010, 05:45 AM   #3
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People have run high amounts of boost on stock motors but evetenually it will fail. I dont see any reason why you cant run 10lbs with a good tune for a good while without any issues. Just do some research on here. There are tons of builds that other have done.
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Old 10-29-2010, 07:49 AM   #4
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There's more than one way to do most things, but some work better/longer than others.

If your friend has a Focus that has run well without issues for a few years & lots of miles with his turbo setup, then by all means go ahead & copy his setup!

If Not, advice from those who've tried many setups & found what works best might be worth following....

If you're putting a lot of money & effort into a project, why go for a marginal setup that'll "kinda" work - instead of optimizing the system for performance & long life?

You are starting with a system that's "tuned" more than you apparently realize, and it needs to be "tuned" as any changes are made to operate properly. A "package" of well chosen components that work together, along with appropriate ECU tuning changes, is the minimum for decent results.

Change air filters, the ECU can adjust for that a bit. Start changing more & you need to make the changes complimentary to each other along with "tuning" the ECU so it knows how to adjust for the changes! There are ways to "trick" the system so it will function somewhat without this step, but they're "stopgap" measures that will never give optimum results, and besides driveability issues can potentially be disastrous for engine life...

Picking an experienced tuner, and trusting their advice, will give good results as suggested in prev. posts. You really don't want to invest in enough cars, parts, computers & test equipment to research this from scratch on your own. As they say, no need to reinvent the wheel once it's already been done!

For example, I'm guessing that the recommendation for 60 lb. injectors over 42's is for the purpose of operation closer to the middle of their operational range instead of "maxing out" the 42's - same for fuel pump recommendations... When you're pumping in extra air you don't want to run short on extra fuel, or you'll run into the classic "it was running great, then it just quit" that tells the experienced mechanic that the engine probably just holed a piston from running too lean (seen that many times on snowmobiles that needed carburetor adjustment for temperature extremes).

No disrespect meant to your friend, he may have found something that works for him & his car, but the advice from Tom is at a different level that will work better for you & your car!
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Old 10-29-2010, 08:07 AM   #5
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You definitely need a downpipe, MAFia (to increase voltage reading coming off the stock MAF sensor) and 60lbs injectors (especially if your HP goals are over 300). I would poke around for a set of Deka green 60 lb. injectors and I did see a set for sale in the BST area for a reasonable price.

The stock SVT fuel is plenty. I've driven Massives '02 turboed SVT that pushed around 12 lbs without a hiccup.

A tune is definitely a must, but do yourself a favor and get a tune from someone reputable. (This is just a personal experience here in IL) Try to shy away from guys who tune Mustangs for a living. Even though they are Ford knowledgeable people, there's something about the Focus that they just don't get.
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Old 10-29-2010, 10:25 AM   #6
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Quote:
Originally Posted by anarchyamp View Post
bigger injectors (do I really need this? at what point does the svt focus need new injectors? I want to make 300whp. Tom told me stock they are 30lb. and he said I would need 60lb. My friend said I would only need 42lb.)
You could get by with 50`s but 60`s give you more room

Quote:
Originally Posted by anarchyamp View Post
bigger fuel pump (do I really need this? Tom says I do need this, my friend says I don't.)
I told you YOU DO NOT need a fuel pump to reach 300

Quote:
Originally Posted by anarchyamp View Post
diablosport MAFia (do I really need this? how well does it work? Tom says I need this, my friend says it's a POS and to just get a new MAF that is calibrated for my car from pmas or promracing http://www.promracing.com/mass-air-m...3-pro-tube-p-9 because he has this and has perfect a/f ratios, and that if i just get the new MAF (protube) I won't need the MAFia OR a tune becuase he doesnt have a tune either.)
Anyone that says the MAFia is a POS and tells you to go to a calibrated MAF as a better solution in my opinion doesnt have a clue what he is doing , back in the day a calibrated MAF was the ONLY CHOICE and we had to use them , Its 2010 he needs to get with the times and get away from the Calibrated MAF

Quote:
Originally Posted by anarchyamp View Post
a tune (do I really need this? ok please refer to above, I think I need it, my friend says I shouldn't need a tune if i just go with the protube http://www.promracing.com/mass-air-m...3-pro-tube-p-9 and that if I do need a tune he can give me his SAFC and that will work???)
My guess "your friend" has never done a boosted SVT with any amount of boost and for sure isnt a tuner , he needs to stop reading hot rod mag and get with the real world and stop giving you advise that will blow up your engine

Quote:
Originally Posted by anarchyamp View Post
oh yeah and how much boost can I run on the stock svt internals? only the rods are forged right? the rest is cast? my friend says to not go above 6 psi and if i want 8psi water/meth injection into intake is a MUST, but you guys run 10,11,16, even 20 psi right??? ugh I just don't know anymore
Keep the guy as a Friend and just dont ask for advise from him , he doesnt have a clue what it takes to go boost and your getting some very bad advise as many here will soon tell you
The SVT will safely do 280-300 and what boost that takes depends on the kit and the turbo Avg 14-20psi

Tom
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Old 10-29-2010, 10:35 AM   #7
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read the stickies. it covers almost all of this stuff.
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Old 10-29-2010, 10:39 AM   #8
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I'm sure he found them and just needed some reassurance with what everyone else knows.
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Old 10-29-2010, 11:30 AM   #9
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I've always thought calibrated maf's we're POS and hit or miss. Most of them were never tuned for the car they're going on, and more so for the v8 guys. Even then they're POS's
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Old 10-29-2010, 12:43 PM   #10
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Quote:
Originally Posted by 1turbofocus View Post

Anyone that says the MAFia is a POS and tells you to go to a calibrated MAF as a better solution in my opinion doesnt have a clue what he is doing , back in the day a calibrated MAF was the ONLY CHOICE and we had to use them , Its 2010 he needs to get with the times and get away from the Calibrated MAF

Tom
Tom, thank you, it's not that I don't trust you or doubt you, I just wanna be sure before and know my options before I spend any more money. I am actually very reassured by your experience with focus's. I did not know that this method was an oldish method people don't really use anymore. I was actually wondering why more people didn't do this but I see why now.

Quote:
Originally Posted by alex62390 View Post
read the stickies. it covers almost all of this stuff.
I did read some stickies, but I also just want reassurance and to hear it from you guys, all I do is read, read, read lol

Quote:
Originally Posted by Peregrine View Post
I'm sure he found them and just needed some reassurance with what everyone else knows.
yes, exactly


Well thank you everyone for your input, I will be going through Tom for a tuner and tune and I'll get the MAFia and other stuff as well for sure. Rep given
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