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Old 05-20-2008, 10:23 AM   #1 (permalink)
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Default meth with stock turbo

i looking to kinda do a stock turbo with meth setup. try ad see wat i can do with all my upgrades. my question is waht kind of a difference will it make and wat numbers could i see with it
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Old 05-20-2008, 04:16 PM   #2 (permalink)
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I have heard of guys making like 20-30 Hp by adding the meth injection and tuning with it. You wouldn't make that much just by bolting it on. I didn't start to feel a huge difference until I leaned out my mix with the d-tec and ran 100% meth and now it pulls like a mother. I run an afr of 13-1 with very little knock if any at all(going off of d-tecs knock gauge and it sucks I know).
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Old 05-20-2008, 04:18 PM   #3 (permalink)
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Quote: Originally Posted by moparmansrt4 View Post
I have heard of guys making like 20-30 Hp by adding the meth injection and tuning with it. You wouldn't make that much just by bolting it on. I didn't start to feel a huge difference until I leaned out my mix with the d-tec and ran 100% meth and now it pulls like a mother. I run an afr of 13-1 with very little knock if any at all(going off of d-tecs knock gauge and it sucks I know).

if ur pump goes your motors gonna go boom!
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Old 05-20-2008, 04:23 PM   #4 (permalink)
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I know, I don't run it that lean on the street. and if I see my wideband jump a few points I am right out of the throttle. I usually run around 12's on the street and even without the meth I have zero knock with 94 octane.
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Old 05-20-2008, 06:25 PM   #5 (permalink)
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Quote: Originally Posted by moparmansrt4 View Post
I know, I don't run it that lean on the street. and if I see my wideband jump a few points I am right out of the throttle. I usually run around 12's on the street and even without the meth I have zero knock with 94 octane.

How much boost are you running?
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Old 05-20-2008, 06:49 PM   #6 (permalink)
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yea i have tuning software. i just goin for all out stock turbo and i thought meth wouldnt hurt. and i wouldnt let the air fuels go over 12.5 on meth. and yea wat boost r you running
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Old 05-20-2008, 07:37 PM   #7 (permalink)
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18 psi I don't spike higher than that on the street.
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Old 05-22-2008, 01:41 AM   #8 (permalink)
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you can run a couple extra pound of boost with meth and be safe. just make sure the pump is working.
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Old 05-22-2008, 11:47 AM   #9 (permalink)
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I know I can but, with the meth on the advanced timing I am getting makes it more worthwhile. If I really crank up the boost I will start to lose timing again and makes me slower. So until I get a scangauge to tell me exactly where my timing starts to drop off I am just playing it by feel.
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Old 05-22-2008, 12:33 PM   #10 (permalink)
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a scan gauge is a great investment!!! i love mine and i wouldn't turn the boost up with out a scan gauge and a wide band
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Old 05-22-2008, 12:46 PM   #11 (permalink)
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Quote: Originally Posted by moparmansrt4 View Post
I know, I don't run it that lean on the street. and if I see my wideband jump a few points I am right out of the throttle. I usually run around 12's on the street and even without the meth I have zero knock with 94 octane.

I hate you 94>91
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Old 05-22-2008, 01:06 PM   #12 (permalink)
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Quote: Originally Posted by MonsterLemon View Post
I hate you 94>91

=*( 94 u lucky jerk!!!
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Old 05-22-2008, 01:17 PM   #13 (permalink)
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12.5 with meth is a bad idea....if you are running pure meth and only meth it will cause your A/F's to say they are lower....for instance 12 with out meth might come out to be 11 with it.... but keep in mind that its kind of tricking you...personly i wouldnt jump any where over 11.8 with meth.

Also the stock turbo is only efficent to like 19 or 20 pounds any more and its just hot air. I would bring your boost down to like 20 and tune your meth for a better A/F....

EDIT: i am suprised you are not getting knock....
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Old 05-22-2008, 01:43 PM   #14 (permalink)
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Quote: Originally Posted by IKanKerr View Post
=*( 94 u lucky jerk!!!

That's not the best part I have a gas station 8 min from my house that has torco 110 at the pump. 5.99$ a gallon(It is next to a drag strip)
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Old 05-24-2008, 06:45 AM   #15 (permalink)
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Im running the stage 3 sure its not a stock turbo compared to stock from out the assembly line but the hom is godly untestable madness when you hit boost.
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