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Forced Induction Turbo, Supercharger, Methanol, Nitrous


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Old 10-24-2013, 02:01 PM   #57
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Rod bearing, motor over revved, missed going from 1st into 2nd during a (cough) spirited Saturday night street challenge (cough) , went back into 2nd rpms way too high (above 8000, probably close to 9000). Didn't know it happened until the challenge was over (I won). Then I started hearing a metal on metal noise, knock, knock and I don't mean like the "whos there" kind.

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Wait, I don't get it. You spun what bearing? Bearings are suppose to spin. If you miss shift, fuel cuts. You down shifted from 5th to 2nd at high speeds? I'm trying to figure out what happened. lol

Last edited by RedAlert; 10-24-2013 at 03:55 PM.
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Old 10-24-2013, 02:23 PM   #58
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If you wanna play you gotta pay.


Amen
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Old 10-24-2013, 02:28 PM   #59
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Bearings are suppose to spin.
He likely spun a rod bearing, which do not spin on the rods normally
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Old 10-24-2013, 02:57 PM   #60
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subscribed for future FI knowledge
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Old 10-24-2013, 03:29 PM   #61
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Will hit 7K on my Innovate SC in the next day or so. No issues yet. Lots of AutoX days on the kit and I'm off to St George UT for an AutoX event this weekend with a car fully loaded with all my race gear.
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Old 10-24-2013, 03:44 PM   #62
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There are a couple local cars who have popped a hole in their blocks, one was Turbo'd and the other was Supercharged. I can't speak for the particulars of the two cars, but I believe they both had stock internals and both were on upgraded kits. I myself spun a bearing, but to no fault of the Vortech, I missed a shift and over revved the car, spinning a bearing, rod knock followed. Shortly my car will be back together, and my next purchase/investment will be a built motor and a backup motor. When I bought this car, I knew the platform was there to build a fun car. And it has been a great car, the reason I am not giving up on it. I was tempted to get another car. Depending on your situation, if you plan on keeping the car, and keeping it in a boosted state, then the insurance/ease of mind that a built motor provides is worth the investment, IMO. So now I am doing my research for local machine/engine shops in the Mid-Atlantic that have Subaru/Boxer motor experience. Any suggestions?

The truth is revealed lol
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Old 10-24-2013, 03:49 PM   #63
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I am a little ignorant to FI, but I am beginning to understand it better and better. Listen to Crawford describe the FA20 motor vs. an STi engine. He literally says it creates more power and is stronger than the EJ motor. So in theory, if you get the car to about 250 whp, I would say you would be pretty darn safe as long as you have an inter cooler and seamless install.

"The same turbo we put on this engine (fa20), on an STI we can make something like 360 horsepower, on this motor (fa20) it made 430."

Well check this out:
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Old 10-24-2013, 03:52 PM   #64
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Yes lol, sorry to hear your checking out. Maybe you'll change your mind.

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The truth is revealed lol
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Old 10-24-2013, 03:54 PM   #65
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True. 250 whp is safe.

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So in theory, if you get the car to about 250 whp, I would say you would be pretty darn safe as long as you have an inter cooler and seamless install.
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Old 10-24-2013, 05:12 PM   #66
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Tune plays a big part. I'm at 470hp@wheels as my daily dd. I don't baby it, been running e85 @16psi. I have well over 8k on the turbo. And I change my oil every 10k. But if its time for the motor to go just have to deal with it. I would not build a motor unless you plan on making 500 plus hp.
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Old 10-24-2013, 07:59 PM   #67
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Yes lol, sorry to hear your checking out. Maybe you'll change your mind.
If i can refinance for a lower rate ill keep the car and pay it off quickly but no more FI or engine mods for me!
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Old 10-24-2013, 08:31 PM   #68
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If i can refinance for a lower rate ill keep the car and pay it off quickly but no more FI or engine mods for me!
don't you leave us too!!!! NOT ALLOWED
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Old 10-25-2013, 12:12 AM   #69
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and this is the reliability using a ebay turbo thought it was a crazy video for those wondering "why pay for a garret when there on ebay for $600", although im sure no one on this forum would just something neat to check out skip to 1:40 for the goodies!

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Old 10-25-2013, 01:08 AM   #70
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and this is the reliability using a ebay turbo thought it was a crazy video for those wondering "why pay for a garret when there on ebay for $600", although im sure no one on this forum would just something neat to check out skip to 1:40 for the goodies!

Not that I'm a fan of ebay turbos, but we ran one on a stock block 1j with a ebay manifold and managed to run crazy cars. It was fun while it lasted
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