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Nominal

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Everything posted by Nominal

  1. Replaced the single coil with two second hand Nissan wasted spark coils. Approx, $20. You could leave the old coil in place and still trigger it from the ECU but I want a really good hot spark so also installed 4 new plugs designed for these coils. The spark difference is massive and they really hurt if touched by accident.. Now, all that I needed was a low pressure fuel system which consists of the existing old morris pump filling a small surge tank which in turn feeds a high pressure pump and small vacuum controlled fuel regulator to the injectors. The bypass fuel is piped back into the top of the surge tank which is mounted on the firewall to the right of the battery. I haven’t run a return fuel line back to the tank but simply let it circulate to the top of he surge tank which seems fine. I may run one yet as the tank accumulates air and needs a bleed about once a month. So, what did I get for this destruction and mayhem of a perfectly, well nearly perfect fine old school design? I put the car on a hub dyno and found an increase of about 6 BHP. The engine runs much more smoothly at all revs and now revs out to about 5200 very easily. I have rev limited to 5200 as its my daughters car and I'm not sure what condition the engine is in. We have measured fuel consumption and now get about 23% more fuel efficiency, leaner burn, no plug fouling, no petrol smell and starts in all wet and very cold weather as soon as ignition is cranked. there is much more mid range torque and the car pulls smoothly up to about 110 km/h. Another small benefit is we can get engine temp up to about 90 and regulate it properly: more heat, better fuel burn and efficiency. Also leaner and more efficient burn means less oil contamination. The main and biggest cost was the Link Atom ECU at about $700, the rest of it was all second hand and scraps found lying about the shed along with a smudge of creative thinking. I t was great fun, gave a great return on investment in my humble opinion and can all be reversed if needed. The cost will recouped in fuel saving and maintenance. Plus the extra power and torque makes it a now very motorway useable car without having to do anything to the engine internals. Future.. I plan to remove fan and install an electric which will run of the ECU when I want it to, this saves more power and keeps the engine in the temp range I want. I will run a return to the tank when I have got around to installing that hoist at home. I have since installed a wide band 02 sensor in the exhaust manifold which I can tune from but this is not necessary and only because i wanted to see if I could do a better job of tuning. I could have used a standard test 02 tool on the exhaust.
  2. "Here is a brief overview of the injection project I have installed on the Morrie. The car is a 59 or 60 (not sure) 1000cc engine. I haven’t had a the head off so can’t say if it has had any work or a rebore. I did drop the sump and its pretty tight on all the mains and big ends. Engine was running rich and hard to start, before I tinkered and spark was poor. All the work described below took about 6 hours over a couple of weekends. Removed grill and radiator to get at front pulley. I then installed a 24 tooth 150mm diameter trigger wheel by spot welding it to the back of the front pulley. I never had to change any hole diameters as the wheel was a perfect fit over the pulley flange. Remove one tooth from the wheel before fitting so the computer can see a sync for TDC timing. I acquired two second hand Nissan fuel injectors and wiring plugs. I modified the inlet manifold by boring holes horizontally directly inline with the two inlet holes in the head. I then welded a small block of aluminium to the manifold and bored to match the injectors so I could mount them. I milled off the touch area between the inlet and exhaust manifold so that there was no heat transfer, its not needed now for de-icing as fuel injection won’t allow the fuel to pool there and we want the atomised fuel cold. I capped the exhaust manifold with a stainless plate and used the existing four threaded holes. Now there is an air gap between the manifolds. I stripped everything out of the carburettor, throttle slide, springs, needle valves and all the choke gear and levers from the bottom, no choke required with injection as the ECU measures engine temp and squirts more fuel when cold. Doing this allows me to swap everything back if i want to and it also allows the use of the existing throttle butterfly for air. I have mounted a TPS, (throttle position sensor) to the side of the carb on the butterfly pivot and it wires to the ECU giving me accurate throttle position. Removed three lobes from the distributor points cam, we only need one for injector timing. removed the four spark leads and coil wiring."
  3. Imagine how much their bottle rental from BOC would cost!
  4. That place on the Petone waterfront was good last year.
  5. In my experience, if they are fitted they have to work. If they are not fitted (i.e. completely removed) it's OK.
  6. Idles like a well oiled sewing machine.... Need a new rocker cover gasket now though.
  7. Compressions OK 1,2,3,4,6 at ~180psi #5 is down about 140psi........
  8. Yes, likely. Maybe a dud lifter then ??? Time for a 5M swap?
  9. We were out in the Holden on Saturday, got about 5km away from home and heard a weird noise, sounded a bit like a speedo cable tick from inside the car. Stopped and had a look under the hood, then decided to drive home stat. Idles OK and just driveable but much more than light throttle results in misfiring. Any guesses on what's wrong, place bets now :0 Going to start investigating now.
  10. https://lvvta.org.nz/documents/standards/LVVTA_STD_Exhaust_Gas_Emissions.pdf
  11. There are emissions rules to consider to some extent, but I think that is more based on the running gear than the chassis.
  12. Nice one. First Prius in the LVVTA DB? TJ in a tailspin?
  13. It was right in the row of British cars in the show area. Didn't look to close at what is was exactly, but assume a stocker. Probably the Audi R8 in the front there was too.
  14. That must be grim then. It wasn't a bad event really, the swamp meet was smallish but OK, and there were a lot of cars on display. Not sure if this bloke was guarding the Morrie or the Jag
  15. I'm used to retards who think I want to see there 2019 Dodge/Mustang/Camaro wallet extension at a hot rod show, but this is a new low.
  16. Few pics. LD28 Commy wagon @KKtrips???
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