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 Feb 3 2004, 11:44 AM
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#1
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Newbie Group: Members Posts: 2 Joined: 3-February 04 Member No.: 232  |
What is the biggest turbo I can use on a stock motor?
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Feb 3 2004, 12:02 PM
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#2
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 Post Master  Group: Members Posts: 908 Joined: 7-October 03 From: Chillicothe, IL Member No.: 182 |
That is a really subjective question. The average answer you are going to get is something around the size of a 20g or FP green. Either of those are capable of maxing out a stock motor with proper supporting mods.
-------------------- GVR4 866/1000 = the perpetually broken car
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Feb 3 2004, 12:02 PM
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#3
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 DSMCentral Freak Group: Members Posts: 396 Joined: 10-January 01 From: Peoria, IL Member No.: 8 |
I ran a T3/T4 turbo on a motor with 2g pistons. It really depends on how hard you want to beat on it. Sooner or later you'll have more power than the stock motor can support.
Darryl -------------------- |
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Feb 3 2004, 12:21 PM
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#4
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 Zen Master DSM Group: Moderators Posts: 3,008 Joined: 10-January 01 From: in front of you Member No.: 5 |
Yep. I'm running a BR500 right now on a stock 6-bolt bottom end with 2G pistons. Hasn't blown up yet. But I've only run 25 psi. We'll see what happens at 30 psi on 110 octane when the weather breaks.
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Feb 3 2004, 12:47 PM
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#5
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Newbie Group: Members Posts: 2 Joined: 3-February 04 Member No.: 232 |
The whole motor is stock from the intake to oil pan...lol
will I have to change inj. or any of the fuel sys to upgrade to bigger turbo? |
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Feb 3 2004, 12:59 PM
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#6
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DSMCentral Godfather Group: Admin Posts: 3,823 Joined: 10-January 01 From: Washburn Member No.: 26 |
QUOTE (winee73 @ Feb 3 2004, 06:47 PM) The whole motor is stock from the intake to oil pan...lol will I have to change inj. or any of the fuel sys to upgrade to bigger turbo? That's what I thought you might be intending... Assuming that you have a manual 5-speed car, your stock 14b injectors and other basic componentry will marginally support a 16g turbo. Your exhaust and fuel supply will be the first things to upgrade there-after. Natedogg can back this up. -------------------- In Loving memory of David T Crebo
Greatness comes from the most unexpected places!  |
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Feb 3 2004, 01:09 PM
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#7
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Zen Master DSM Group: Moderators Posts: 3,008 Joined: 10-January 01 From: in front of you Member No.: 5 |
Yeah, my car was setup with a 16g full 3" exhaust and a hacked MAS on the stock fuel system. It did pretty well around 16-17 psi. Like awd4kicks said though, exhaust, intake, fuel pump, injectors, fuel control should soon follow any turbo upgrade just to be on the safe side.
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