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06-12-2016, 02:25 AM | #1 |
Drives: 2012 Toyota Yaris Sedan (Vios) Join Date: Dec 2015
Location: Thailand
Posts: 291
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Prius Piston swap in 1NZ (update pls)
I already read few articles regarding Prius piston swap but i want updates from people who actually done this mod and hows it running so far??😬
i am running 1NZ for Yaris/sedan 07-12 and about to order set of Prius pistons for this project..i will probably need 1. Set of Pirus pistons 2. Set of rings like they stated in previous posts.. - how much will it cost per piston or rings? - in previous posts, people who didnt even do the mod claiming you need higher octane etc., already running E85 with larger injector so dont need to reply 😑😑😑 - any special maintence? - updates on whos running them now 😎😎😎😎😎😎😎 Sent from my SM-J700F using Tapatalk
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Brain: ATD E85 Timing Advance ECU Engine: 1JZ Injectors, Header, Center Pipe, K&N Drop In, E85 Injector Converter Suspension: Hankook Tires, Performance OEM replacement Shocks & Springs F: 1.5 B: 1.4, Mu Spec brake pads, Front tower & Rear sway bars, Rays nut & lock Electric: Volt Stablizer & Multi gauge obd2 Cosmetic: Toyota red emblem |
06-12-2016, 06:14 PM | #2 |
0-60 in slow
Drives: light blue liftback Join Date: Aug 2009
Location: so cal
Posts: 926
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Pistons are $60 a piece from Toyota and rings are $110 for the set.
They need tons of octane as its a significant boost in compression, stock ecu should be able to handle the fuel and spark maps if the correct octane fuel is used. Since these pistons have a reduced skirt area they won't be able to handle additional load ie supercharging or nitrous. Also with the upper ringland area being smaller, they CANNOT handle detonation without failure. It also uses a narrower ring package .8mm vs the 1mm ring package of the FE engine with lower tension rings so ring flutter at high RPM is a possibility. There is also a difference between the Gen1 pistons and the Gen2 Pistons, having purchased the gen2 pistons, the quench area is significantly different than the FE engine, so my guess is the Gen1 pistons would net more hp than the Gen2 even though they have a .4 point compression bump over the gen1.
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06-12-2016, 10:18 PM | #3 | |
Drives: 2012 Toyota Yaris Sedan (Vios) Join Date: Dec 2015
Location: Thailand
Posts: 291
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Quote:
Sent from my SM-J700F using Tapatalk
__________________
Brain: ATD E85 Timing Advance ECU Engine: 1JZ Injectors, Header, Center Pipe, K&N Drop In, E85 Injector Converter Suspension: Hankook Tires, Performance OEM replacement Shocks & Springs F: 1.5 B: 1.4, Mu Spec brake pads, Front tower & Rear sway bars, Rays nut & lock Electric: Volt Stablizer & Multi gauge obd2 Cosmetic: Toyota red emblem |
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