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03-25-2008, 08:31 PM | #1 |
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Power all the way to 8000RPM!!!
Someone who knows Turbos answer this question, what turbo(s) can make power all the way to 8000RPM or higher?
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03-25-2008, 08:33 PM | #2 |
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it has nothing to do with your turbo, it has to do with your motor, specifically your cams/valves/retainers.
some camshafts can give more low end grunt, some get more mid, and some give better top end. |
03-25-2008, 08:50 PM | #3 |
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i know this but at the same time, sometimes turbos stop making at a certain RPM
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03-25-2008, 09:01 PM | #4 |
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There are so many variables that play into this it's going to be hard for you to get a straight answer, tbh. What motor is this turbo going on?
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03-25-2008, 09:02 PM | #5 |
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external wastegate + big turbo. but it won't spool ever till high RPMs.
8k rpms you will need upgraded valvetrain to rev that high |
03-25-2008, 09:13 PM | #6 |
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03-25-2008, 09:33 PM | #7 |
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^dont forget oil pump... a jdm 12mm would do nicely...
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03-25-2008, 09:34 PM | #8 |
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Just from what I have seen, pretty sure anything 35R or bigger with the right engine to push it there would be the answer.
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03-25-2008, 09:56 PM | #9 | |
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Quote:
http://cybrina.mine.nu/MR2_Docs/comp..._flow_maps.htm |
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03-26-2008, 04:57 AM | #10 |
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lot's of headwork and a 35r.
or an S2000. pick one. |
03-26-2008, 06:23 AM | #11 |
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03-26-2008, 10:26 AM | #12 |
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FP green or bigger should work... but you may not be happy w/ the green on a built block. What are you going to be using the car for 1/4 mile, auto-x, etc? If your planning to be running more then 20 psi and or meth/race gas you may want to go bigger 30r+.
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03-26-2008, 12:14 PM | #13 |
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Don't forget an intake manifold. The super-long WRX and STI intake runners, coupled with the tiny plenum volume, makes high-RPM power even more difficult to achieve.
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03-26-2008, 08:29 PM | #14 |
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A turbo out of a deisel
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03-26-2008, 10:33 PM | #15 |
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03-27-2008, 08:35 AM | #16 |
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03-27-2008, 12:31 PM | #17 |
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03-27-2008, 05:32 PM | #18 |
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03-27-2008, 06:37 PM | #19 |
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03-28-2008, 08:56 AM | #20 |
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03-28-2008, 10:43 AM | #21 | |
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3076 is the next turbo to go on my car |
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03-28-2008, 11:04 AM | #22 |
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03-28-2008, 11:30 AM | #23 | ||
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Quote:
Still running stock heads, I will see how well the GT30R works on upcoming install and tune. I run a Cosworth 12mm High Flow Oil Pump with cross drilled crank thats been balanced as well. Quote:
We all know that once the power starts dropping theres no sense to keep pushing it. To consistently and safely (in USDM Subbies) rev to 8000RPM's you will need to have a built SB/cams/P&P heads/full valve train upgrade. Last edited by 4ST-AIR; 03-28-2008 at 11:37 AM. |
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03-28-2008, 11:35 AM | #24 |
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^^so could you put that oil pump sti, and spin it to 8k with stock valvetrain, heads, shortblock?
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03-28-2008, 11:39 AM | #25 |
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