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  • Toyota Model
    Toyota Yaris T-Sport

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  1. DO NOT!!!!!!!!!!!!!!!!!!! get a standard flywheel lightened! The lightenes flywheels you buy off the shelf are made of much stronger material and have been designed and optimised using FEA to ensure that they will not break. I know of someone with a Mini hill climb car that had his fly wheel lightened. Something hit the sump of his car whilst he was hill climbing which caused the flywheel to crack under the enormous forces which it sees at high RPM. The flywheel tore through the car like a knife through butter. The main problem on a mini is that the flywheel is in line with the driver. I believe he was killed instantly. £50 to remove some material from a standard fly wheel. or £300 for a safe bought flywheel and keeping your life? £250 isn't alot to pay to stay alive. Please don't do it. It could work and you could be fine but think of a ball on a piece of string... if you spin it around your head as fast as you can then let go it will go pretty far. Now think of a lump of metal being rotated at 7000 RPM think of the momentum that bit of metal will have! Most flywheels are cast which mean they have small defects and cracks within the material. if you machine them down then you could bring them to the surface and increase the stress concentrations around these areas. This is a very long winded warning but please take heed! Brad =)
  2. You could prob just get your engine reconditioned, then you wouldn't have to worry about anything! Brad =)
  3. No haynes but there must be coppies of the workshop manuals around somewhere.... DOES ANYONE WORK FOR TOYOTA???? can you please borrow one and then scan in and post it in here? Cheers Brad =)
  4. oppening another familiar can of worms i see.... basically if you want more power you have to spend lots of money. you could go for throttle bodies and a very good exhaust system starting with the most important part, the manifold! from this you could get arround 150BHP with a piggy back fuel system or a complicated remap if possible. Or you can go for a compressor which will cost more but will give you as much power as you want, just change the pully over. HOWEVER! the more power you want the more parts you will need to start replacing. 150BHP is very safe and easy as you won't even need an intercooler at those figures. If you want more you should be ok for 20-30 extra bhp but any more and you will be requiring new internals. if you then want to go for more power you should then go for a turbo as you will be able to get more power then with the compressor due to most compressor kits being designed for lower HP. So if you want lots of power go for a turbo which will mean changing the rods, pistons, exhaust, buy a turbo, intercooler, fuel system, etc.. etc...... Or just buy a good quality manifold to go with your other mods, then get it remapped on decent fuel and you could be getting ~130BHP at a guess. Brad =)
  5. now i'm intrigued...... why are the 2sz-fe rods so much better then the 1nz-fe? are they the same as the forged rods from the high compression 1nz-fxe (prius engine) as they would appear to make approximatly the correct compression ratio with the shorter stroke of the 1.3 engine??? I'm very interested to talk to you about this if at all possible as i'm building a 1.5 turbo from a 1nz-fxe (prius) engine and if the rods can really handle that much boost then i may just look for some different pistons to reduce the compression ratio as these can be bought as standard item much cheaper then the custom rods..... also i can't view your pictures on that site, but that could just be due to the work computer. Thanks for the info, you've got me all excited again lol Brad =)
  6. I run 32 front and 30 rear normally as this is good for some nice lift off over steer and is good for long motorway journeys. 30:28 seams best for out right handling tho. Just make sure you check the pressures regulally with this changing weather as the change in temperature can cause some huge changes in tyre pressures. i set my tyres when it was cold and wet at 32:30 but then during one of the really hot days they were up to 36:35 ish so try keep an eye on them during the weird temp changes. Brad =)
  7. Dear mr/mrs anoying person who obviously doesn't know anything about cars, or engines or engineering in general.... If the piston is the same diameter with the same gudgeon bore and a similar enough piston deck height etc... then the pistons will fit!!! It doesn't matter who made it, where it was made or what it is made out of, if the dimensions are similar enough they will fit! Just talk to anyone who has a vintage car! they find some interesting combinations of engine parts from more modern cars to replace bits that can not be replace with origional parts. As for melting pistons..... OH DEAR! firstly how hot do you think a 1.3 with a small turbo producing 130 ish BHP is going to get? and also what do you think toyota.... arguably the biggest motor company in the world who spend millions on material developments make their pistons out of???? DO you actually have anything constructive to say or you just content with talking through your second largest orrifice? :!Removed!: Brad =)
  8. If your going for a turbo conversion then you only need to change the pistons to lower the compression ratio if you are going to run big boost. The most important thing to change is the conrods as they are VERY thin and a bit suspect as to how much power they can handle. If anyone ever mentions CAST materials STAY WELL AWAY! casting are basically rubish especially compared to forged alternatives, always go for the forged option if you can as they will be much stronger and last longer. Hope that helps. Brad =)
  9. How bad are the scratches? if its only in the resin you should be fine, could probably sand and polish it out. if its really deep then paint it. Brad =)
  10. anyone thought of the KW coilovers? Brad =)
  11. How to get more power out of your car.... one simple answer SPEND LOTS OF MONEY ON IT! lol, no cheap way of doing it i'm affraid. 150BHP is about the max you'll get N/A with Throttle bodies and nice exhaust. Compressor of turbo is the only way to get more power and there expensive! VERY EXPENSIVE! Brad =)
  12. Sure it can be done in less then 9 seconds, i've timed it with a friend in the car and that was about 8.5 but thats so inaccurate, you really need a decent SATNAV or something to have a chance on getting an acurate time. Brad =)
  13. Number 4 i'd say, llooks different, like the idea of following the arch line down to the front. Brad =)
  14. Hey all, does anyone know the torque for the 1NZ-FE conrod bottom end bolts? its really difficult to get any information on this engine as there doesn't appear to be a haynes manual or anything for the T-sport or the engine. Cheers Brad =) p.s. anyone know the torque over the whole engine?
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