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07-18-2012, 10:52 PM | #1 |
Drives: Yaris sedan 10 std... Join Date: Aug 2010
Location: Puerto rico
Posts: 454
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prius piston swap
Sorry for the delay... just done it today and it works perfectly no mods requiered now some good breaking and dyno cooming soon...
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07-18-2012, 10:58 PM | #2 |
Takes corners too fast!
Drives: Absolute Red 2009 Yaris HB Join Date: Apr 2012
Location: Columbia, SC
Posts: 830
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how much driving have you done and can you feel a difference?
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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 Last edited by Golddeenoh; 04-05-2016 at 07:31 PM. |
07-19-2012, 12:08 AM | #3 |
Drives: 2005 Toyota Echo Join Date: Aug 2010
Location: Brampton, ON
Posts: 505
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Is any tuning required, and is 91 octane gas required?
Can't wait to see the numbers! :)
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2006 Saturn Ion Redline 2005 Toyota Echo RS 4dr hatch - Cyl #3 bad - sold 2000 Toyota Echo 2dr coupe - The track car - rusty & scrapped |
07-19-2012, 12:56 PM | #4 |
Obsessed with 1.5L
Drives: '10 PW Yaris Sedan Join Date: Feb 2011
Location: Westminster, MD
Posts: 907
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finally someone is straight up doing it!
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-Greg...the Exhaust Freak. -10 PW sedan 107whp/110wtq, full exhaust, suspension bits, TRD LSD -06 Highlander 3mzfe Limited AWD -82 Malibu, 1uzfe swap -97 Tercel coupe, 1nzfe/4.31 -96 Tercel coupe, Turbo 5efe, autoX -96 Tercel 4dr |
07-19-2012, 05:24 PM | #5 |
Drives: Yaris sedan 10 std... Join Date: Aug 2010
Location: Puerto rico
Posts: 454
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No modification needed just 91 gas from now foward i have a apex safc for the air fuel ratio and yes i can tell it feel diferent
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07-19-2012, 05:34 PM | #6 |
Form>Function
Drives: 07 Flint Sedan Join Date: Dec 2009
Location: Tampa
Posts: 4,018
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how much of a difference? Any dynos? Why 91 required?
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07-19-2012, 06:51 PM | #7 |
Drives: 2010 Yaris Sedan Join Date: Oct 2010
Location: Kentucky
Posts: 529
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07-19-2012, 06:55 PM | #8 |
Your mom goes to college
Drives: 08 Vitz Join Date: Oct 2008
Location: Just chillin' out brah !
Posts: 1,434
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Killer ! Did you use the yaris rods or the prius ones ? Also what apexi safc are you using , afc2 or the neo ?
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Garm is permanently high because he is the king of smokin' deals! |
07-19-2012, 11:09 PM | #9 |
Drives: Yaris sedan 10 std... Join Date: Aug 2010
Location: Puerto rico
Posts: 454
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The safc2 i just install the pistons yesterday now i am in breaking mode... I use the 1nz fe rods all internals are original i have some mods like 1zz trhtle ebay intake with velocity costum echo header 2" catless ending with magnaflow freeflow 2 1/4 exhaust the last time i did the dyno pull without fixing the afr 111whp if you guys are excited i am crazy to tune it to see the gains... the thing is that i have a lot of mods to get done to get the max hp so they are cooming soon
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07-25-2012, 01:37 AM | #10 |
Drives: Toyota Yaris 2012 Join Date: Jul 2012
Location: Indonesia
Posts: 16
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Hi Guys, i am from Jakarta Indonesia, and really interested with this thread. Wow... finally, 1nz-fxe piston in 1nz-fe engine. Are you sure it is save for the clearance between the piston and valves?
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07-25-2012, 03:14 PM | #11 |
Drives: Yaris sedan 10 std... Join Date: Aug 2010
Location: Puerto rico
Posts: 454
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1 week and no problems it feel great i am jus giving some miles for the breaking they fit perfectly...
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07-25-2012, 04:53 PM | #12 |
so you were getting 111hp before the pistons? that is awesome. I would love to see what just the pistons did. I understand that dyno runs cost so most of the time it isn't cost effective to do multiple dyno runs inbetween mods.
I can't wait to see what you get out of this thing. |
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07-26-2012, 11:43 AM | #13 |
Drives: Toyota Yaris 2012 Join Date: Jul 2012
Location: Indonesia
Posts: 16
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so, really don't have any problem with the clearance between valve and pistons? wow.... do you know what your car compression ratio ? 13:1?
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07-26-2012, 11:51 AM | #14 |
Drives: Toyota Yaris 2012 Join Date: Jul 2012
Location: Indonesia
Posts: 16
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Here in Indonesia, tuner have tested on Yaris that the head can be milled for maximum 1mm and the compression ratio become around 11.5:1. If this piston swap is successful, than this can become the highest compression ratio for 1nz-fe gasoline engine. Please dyno run to see the gain?
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07-26-2012, 11:52 PM | #15 |
Drives: Yaris sedan 10 std... Join Date: Aug 2010
Location: Puerto rico
Posts: 454
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In puerto rico i have some friends with yaris hb with the prius pistons swap i am waiting for them forthe dynoo numbers.. They have other mods that i would like to do if i see the gains with those mods.. the max hp that i got with mi car was 114 with the apex tuneup the last time the heat in the dyno afected the numbers 108 in that run my old apex vafc at 5000rpm it wasnt setting up and the airfuel ratio was going down to 12 very rich at fuel now with the apex safc i am expecting new numbers and no problem with the airfuelratio... Btw in this mods the head canot be touch so the valve and piston clearence well you can see it in the pics
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07-27-2012, 12:05 AM | #16 |
Drives: Toyota Yaris 2012 Join Date: Jul 2012
Location: Indonesia
Posts: 16
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My Yaris head is still factory std, so i can do the piston swap too, but i'm still really curious for your compression ratio, is it really 13:1 and still don't have detonation problem using 91 pump gas?
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07-27-2012, 12:15 AM | #17 |
Drives: Toyota Yaris 2012 Join Date: Jul 2012
Location: Indonesia
Posts: 16
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Wow... 13:1 street 1Nz-Fe, cast piston, the compression ratio is similar to mazda sky active newest technology
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07-27-2012, 07:00 AM | #18 |
Drives: 2010 Yaris Sedan Join Date: Oct 2010
Location: Kentucky
Posts: 529
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Everything I have seen lists the 1NZ FXE engine at 13:1 compression ratio!
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