Hiro Protagonist

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About Hiro Protagonist

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    World's Greatest Sword Fighter
  • Birthday 02/03/84

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    Newcastle, NSW
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    Ian

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  1. Could you just swap the block-side part of the engine mount from the 4AC over? Looking at the EPG the bolt-pattern on the block looks to be the same. Hopefully the extra block height of the 7A doesn't affect the mount location.
  2. Latest acquisition - AE102 Sprinter 3-dial dash cluster. Unlike the JDM BZ Touring and FXGT 3-dial clusters, this one has the correct tacho for the 7AFE (8000rpm vs 9000rpm) AND retains the Aus-spec 200km/h speedo (vs 180 for JDM). Also doesn't have the superfluous dash lights for cat temperature, rear light failure module etc (although since the ADM Sprinters were all pre-facelift, there is no seatbelt warning light fitted). Still requires a bit of wiring magic but I'll most likely palm that off to someone who likes electrons more than I do in exchange for some beer or something.
  3. 1-3-4-2 with a flat-plane crank and 180 degrees rotation between firings, like most inline-4s. So even.
  4. Always good to get the info straight from the horses mouth. Problem with a lot of online catalogues these days is that even if they appear to be regional-specific, they often grab their info from a worldwide database and can include models/versions not sold here, creating confusion.
  5. I believe you should be after the 117Tx21mm belt, the 94Tx19 belt gets called up for the early-model 4AFEs that came out in the AE92. Easy way to check would be to take the cam cover off (easy job - spark plug leads, 2 vacuum hoses, 4 nuts, 2 bolts and disconnect the wiring for the alternator and air-con compressor) and measure the width of the belt that is currently fitted. Which catalogue were you looking at that showed the 94-tooth belt?
  6. Gave it a good workout on Sunday to and from Wisemans Ferry for Classic Celica Day, don't believe I got it to cock a leg but the rear end definitely felt sharper and livelier on turn-in
  7. Spent all of Saturday afternoon and half of Saturday night on my back under the rear end installing my Ultra Racing rear swaybar, and what a pain in the arse that turned out to be. Fortunately didn't have to drop the tank, but both straps, filler pipe, breather pipe and the exhaust from the cat back had to come out, and even then it needed some wiggling to get it out past the jack stands on the cross-member and holding up the tank. Stock 14mm vs UR 19mm (both solid) Fortunately managed to work out how to get my sensor light to stay on permanently, otherwise I would have had to call it quits as soon as it got dark and pick it up in the morning. Garage is too full of crap to get a car in these days, and chances are the light wouldn't have been much better in there since all underneath would have been in shadow. As it was I still didn't get everything back in and buttoned up until after 9pm.
  8. Not exactly relevant since I know what you're trying to point out, but blacktop 20Vs are MAP so there is provision on the quads for a vacuum line
  9. Just in case you didn't realise, he's talking about the Nissan KA24DE engine (ie from a 240SX, Navara or Bluebird), not a Honda K24. I did toss up the idea of a KA24DE back when I had the KE55, Aus didn't get the 240SX though so my only source of DE RWD parts would have been a D22 Navara.
  10. The odd-timed injection in a batch-fire scenario isn't wasted and just pools behind the valve waiting for it to open, but when you think about it the valve is opening and closing ~8 times a second at 4000rpm there's not exactly a lot of time between injector pulses regardless. If you're chasing that last kilowatt or two it might be beneficial to go to a full sequential setup, but for more cases it just isn't worth the hassle and added complexity. Putting the injectors in the plenum is only one step removed from ye-old-skool throttle-body injection (which itself was essentially an electronic carby), a steaming pile of crap.
  11. Sorry got confused - yes the 7A does run a hall-effect cam-sensor in the distributor, but no crank angle sensor (at least not in Australian AE102s). Not sure on the resolution (ie number of teeth) though. Ignore what I said earlier about needing both a cam- and crank-angle sensor to run sequential injection too (since the 7A doesn't run variable cam timing), my brain has been fried from work lately.
  12. Batch-firing injectors is quite common as it simplifies the control and wiring. With sequential injection (ie every injector separately wired) you need both a cam angle and crank angle sensor to determine when the cylinder is at the start of the intake stroke (as the crank rotates twice for each rotation of the cam, just knowing TDC on the crank isn't sufficient to determine which stroke you are on). Sequential is more efficient and you have less fuel floating around in the inlet manifold waiting for a valve to open, but it is more complicated to control. It also has the benefit of lowering the duty cycle on the injectors by half (which is a good thing) Wasted-spark (where spark plugs are fired in pairs) is also common, for the same reason (even though it means the spark plug going off at the top of the exhaust stroke) and means you can have a single coil being shared between two cylinders. Because the 7A uses a distributor and a single coil it doesn't run wasted-spark though (the distributor is run directly from the cam so each HT lead gets power one at a time)
  13. The 3TC has a bit of a cult following over in Puerto Rico where they boost them to high heaven, the downside of them being basically grenade motors is dulled by them being cheap as chips to replace. Whilst capable of big numbers (there's a guy in Qld with a TA23 running a compound turbo ~60psi ~500HP 3TC, but even he openly admits it is a stupidly ridiculous thing and is about to replace it with an F20C) there's no real reason why you'd use one here as any money and mods you spend on it could give you bigger gains on a better engine.
  14. It's a great show, last year was one of the biggest since it was the 50th anniversary for the Corolla but there are regularly over 100 cars there.
  15. Considering I help run it, almost certainly