ben yip

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ben yip last won the day on December 30 2019

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About ben yip

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  • Toyota Model
    Corolla Ascent
  • Toyota Year
  • Location
    New South Wales
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  • Annual Mileage
    0 to 5000
  • Interests
    Motorsport & Racing

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  1. I have LSD installed at Hornsby shop. Good work from them, but they send my car to another mechanic nearby to remove the gearbox , which screw up my car. Leaking brake fluid, forgot to install engine mount. If you change LSD, I highly recommend to change light weight flywheel. Sportivo uses it, type r uses it. You will end up gaining free horsepower which is very noticeable Still exploring ecu option, using an independent ecu is not a very good option due to the labour involved. I saw it someone raise the ecu with the by 2gr Fe ecu I am changing coilover recently. I won't use pedders anymore. After they change the insert for me, it is significantly softer than before, so there are some QA issue in their parts. I am going to install xyz coilover. From research, they are a good brand in Taiwan and Asian countries. He spring rate is also 8kg front and 5kg rear It is sold as 1395, similar price to bc racing.
  2. Thanks, rpf1 can decrease 0-100 time in 0.2 seconds. And that's why I stay away with 18 inch because of its weight. Ecu has lots of frustration. I only have unichip, I tried to increase the rpm but failed, lots of money has gone. Camshaft and valve springs have been changed already, and stuck with 6400rpm limit. The ecu is only used in Australia, and hence the USA guys might not be able to help. Bench tuning is the only option, but who would work on the corolla in Australia. I plan to keep the car for another ten years.
  3. Hello George. I am from Hong Kong, The car mods culture is Australia is very different from Australia. Australia interested in the older Toyota model and some Hilux. Look the the number of modified Hiace in Hong Kong, they are so hot. Modifying my own corolla looks like I am an idiot in Australia, but in Hong Kong and Thailand, it is very popular.
  4. Rough 20-100km/h rolling start acceleration in around 7.5 seconds with the heavy 16x7 wheels
  5. Rpf1 17x7 done. 215/45 bridgestone re003. Light weight wheel and light weight flywheel. What a blast in acceleration
  6. Car was struggled with engine light on after camshaft upgrade. Light was "engine is running too rich". The fix is to clean the MAF sensor again. Now the engine light is gone. Performance has picked up a bit. Last time the car produced 98kw at the wheels with engine running rich and poor wheel alignment. I think it is running around 99kw at the wheels now. It is estimated to produce 136kw at the flywheel at 6000rpm, and if I remove all the seats away, it weights just 1200kg now In first gear rolling start, wheel spin is a lot more more before second gear. Fuel economy has also significantly increased. Around 6.5L/100km around town if I drive at very low RPM. 6th gear can cruise around town at 1500rpm. It can also go more uphill than before, so the engine has definitely more torque than before.. I have also bought a Lithium battery for <$500 dollars, it weights only 2kg instead of 12kg stock.Battery is from I took out the front seat(20kg each), and test the car. Car feels a lot more faster, and I am still on heavy 16 inch factory rims Next mod is Enkei RPF1 17x7 wheels, which is very light weight The ECU is still a major bottleneck to me. No workshop like to modify Corolla ECU, the RPM limit is still a show stopper
  7. Was doing a ECU job, here is the ECU diagram
  8. Camshaft and ECU has been done. Not much power being picked up. 98kw at the wheels at 6000rpm. Rpm limit cannot be increased, what a bummer. It is faster, but I was expecting a lot more
  9. Terry, could you tell us more of your stories. Is this engine reliable for Lotus as a race car? How about naturally aspirated of this engine to 8000rpm, I saw MR2 doing this engine swap quite often? A gasket set is around $700, is that correct? and how much is the bearing, and how many man hours require to strip and reassemble?
  10. I always use Toyota factory ones, iridium, very good. I don't know much about ignition coils
  11. some articles about dyno, our dyno dynamics are very good
  12. Squalled has nailed it..If you can run three inch with a ecu tune. That might produce more hp according to the info at 1zz and 2zz I am running three inch pod filter on my 2zr using injen cai. But the tubing at two steps. From throttle body to the maf sensor, 2.5 to 2.75 Just 2 inches before the pod filter, it changes from 2.75 to 3.
  13. A bit of research about flywheel weight Honda Type R (NA) - around 6kg Toyota 2ZZ-GE - around 6kg My corolla 2ZR-FE - around 10kg This should explain why in 2ZZ-GE, dyno will read around 108kw at the wheel when stock, only 24% loss and my car will read only 70kw at the wheel when stock, 30% loss.. Honda Type R (NA) reads around 110kw stock at the wheel.
  14. Looks like the MAF is not in a good position, or the tubing is too big. In 1zz, 3 inch tubing requires a retune of ECU.