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07-16-2013, 10:32 PM | #1 |
Drives: Scion xA Join Date: Oct 2009
Location: Virginia
Posts: 449
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Finally, my motor went.
I must say, I pushed it for a long time... so this was bound to happen. I was simply driving home a few nights ago and did a full boost (30psi) pull, right at redline in 2nd gear I got valve float. I have had the rev limiter set at 7500 for about 5 months, but it was pure luck I made it that long on a stock head. I was barely able to make it home, the car barely ran.
Im hoping the bottom end is ok, and just some minor damage done to piston tops. Garm, I noticed you carry upgraded valve springs, Ill be contacting you soon about those and a intake manifold. Also cam options, if there are any. I was able to squeeze 60k miles out of this motor without any snags until now!
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07-16-2013, 10:40 PM | #2 |
Mr. 155 and climbing
Drives: Seriously Modded 07 Sedan Join Date: Jun 2006
Location: In The Hotbox
Posts: 4,742
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The BC Valves come highly regarded. There is also the JUN Cam pair designed specifically for turbo applications.
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Team Tiamat Racing on Facebook Youtube Channel: Team Tiamat Racing Class record holder in Land Speed @ 154.5mph for 1.5 mile and 145.5mph in the mile in the F (2.016 to 3.014 L), G (1.524 to 2.015 L), and H (1.016 to 1.523 L) classes. |
07-16-2013, 11:52 PM | #3 |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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You did great, made us all proud with your build. We can grind cams for half what JUN charges, I would never pay their prices.
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
07-17-2013, 01:47 PM | #4 |
You had great numbers before and beat it up for a long time so I cant wait for your next build.
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07-17-2013, 07:39 PM | #5 |
Takes corners too fast!
Drives: Absolute Red 2009 Yaris HB Join Date: Apr 2012
Location: Columbia, SC
Posts: 830
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*Engine :P
but besides that, it is time to go crazy, you know grind some cams, up grade the valves, port and polish, all that stuff that makes more ponies
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mods:15''Drag DR21 w/Nitto NeoGen 205/50R15, Tanabe DF210 lowering springs 1.6/1.8, TRD Rear Sway Bar, Tanabe Front Sway Bar, Micro Image Short Throw Shift Kit (both in and under), 8.64lbs flywheel, F1 Stage 4 Clutch, AEM Cold Air Intake (Red), Megan Racing Header, DC Sports Axle Back Exhaust, Micro Image Crank Pulley, NST lite Alternator Pulley, ARP Manifold Stud Kit,Tanabe Front Strut Tower Brace, ScanGuage II, Micro Image Silicone Radiator Hose Kit (Red), NRG Carbon Fiber Shift Knob (round), 2009-2011 Toyota Yaris Liftback Foglight kit, NRG Grounding Kit (Red), Hella Horns(Red),CF Hood |
07-17-2013, 08:38 PM | #6 |
Drives: Scion xA Join Date: Oct 2009
Location: Virginia
Posts: 449
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Regrind cams sounds fine to me. Ill do those, springs, and possible port and polish. I am interested in the golden eagle manifold, what tb flange options are there?
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07-17-2013, 09:34 PM | #7 |
Do you have a link to your build thread? I don't want to ask a bunch of questions that you have already posted answers to.
Did you do a teardown already? Interested to see what the motor internals look like.
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07-18-2013, 08:40 AM | #8 |
Drives: 2010 black yaris Join Date: Oct 2010
Location: savannah, ga
Posts: 2,868
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I don't see an actual full thread build. But if you look up his name and all the threads Blown xA started, you will find alot of the answers you seek.
http://yarisworld.com/forums/search....archid=1580961
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-Derrick- "Racing is important to men who do it well. When you're racing... It's life. Anything that happens before or after, is just waiting." |
07-18-2013, 06:21 PM | #9 |
Drives: Scion xA Join Date: Oct 2009
Location: Virginia
Posts: 449
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I never made a build tread, Im weird lol
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07-18-2013, 06:30 PM | #10 | |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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Quote:
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
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07-18-2013, 06:31 PM | #11 |
ULTIMATE
Drives: 07 Yaris Turbo Join Date: May 2007
Location: Canoga Park, CA
Posts: 14,859
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Do I smell 10's on the horizon?
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Micro Image forums, online store and shop are now closed. It was a great eight year run, but it was time to focus on other things. I'm still selling parts on eBay under micro*image seller ID and customers can still make requests for anything specific. |
07-18-2013, 10:19 PM | #12 |
Drives: Scion xA Join Date: Oct 2009
Location: Virginia
Posts: 449
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that is the plan yep. I need another 50-70hp, that should get me there if not very close .
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07-19-2013, 01:34 PM | #13 |
Drives: 2008 Black Sedan Join Date: Oct 2008
Location: FL
Posts: 966
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Hey when you ran that 12.9 in your sig, what was your whp?
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07-19-2013, 05:29 PM | #14 |
Drives: Scion xA Join Date: Oct 2009
Location: Virginia
Posts: 449
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286whp at that time, with oem steelies. The 11.9 was with slicks and 318whp. I am currently at 352whp but haven't run it yet ( not that I could now anyays )
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07-20-2013, 12:33 AM | #15 |
0-60 in slow
Drives: light blue liftback Join Date: Aug 2009
Location: so cal
Posts: 926
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Have you popped the top see what failed yet?
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07-20-2013, 07:55 AM | #16 |
Drives: Scion xA Join Date: Oct 2009
Location: Virginia
Posts: 449
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Ill probably do so next month, have a bore scope at the shop too. Right now, my focus is elsewhere (downhill/streetluge racing).
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07-19-2013, 03:34 PM | #17 |
Form>Function
Drives: 07 Flint Sedan Join Date: Dec 2009
Location: Tampa
Posts: 4,018
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good news for this little guys!
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07-21-2013, 12:32 AM | #18 | |
Quote:
I sad to hear about your motor but i think the motor has had a good life. good luck on your next build.
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05 Scion tC allmotor 350+ hp 9.34@144mph 05 Scion tC sfwd 880hp 9.96@147mph 05 Scion xB 280hp 12.97@104mph 07 Toyota Yaris 357hp 12.80@107mph |
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