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   All Posts (chris_lott_nz)


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Re: Need help, Vibration in rear end.
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Quote:

DatsunRepairSquad wrote:
Its a 77 ute, but not sure its worth putting in a second hand centre as I could just end up with the same problem, anything I put in would be at least 30 years old.

I just hope I find its something simple?


Re: Need help, Vibration in rear end.
turn it off or take the batteries out. if you are worried that taking your diff head out and that putting in another may not make a difference, you could try pulling it out, and inspecting it, if it is viberating it could be crownwheel/pinion failing, pinion bearings, crownwheel carrier bearings, spider and side gears in the nest failing, lack of preload on pinion bearings or crownwheel carrier bearings, all of which can be seen with the diff head on you bench, it could also be rear wheel bearings, but you will see if it is these as you pull them out when you go to remove your diff head. even just putting your car on stands and taking off the driveshaft and moving and turning parts may help you decide the area to attack first, have you drained the oil and inspected it? 2 fantas and you would have the job done, unless your on the big bottles, if there is nothing wrong, all it will cost you is a $8 bottle of diff oil and $5 worth of sealant, and a bit of time, action front learning at the same time, if its bearings, its easy to rebuild your axels and diff, all good. its not recomended as you might stuff it up, but safely chocked and up on safety stands, respecting the safety, you could run it in gear and pin point exactly where the noise is coming from, but be safe, as i would hate your mum or mrs to chase me down. hope it works out ah mate.

Posted on: 2010/1/11 8:44
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Re: Fanta injection?
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teretonga wrote:
Chris Lott - fanta injection, NANA and the DLF! Talk about a blast from the past. Now that I have exceeded the upper age limit for the DLF I have just this week surrendered 3 coupe rollers and several truck loads of parts. The operative who assumed my collection of law providing metal used an ex-hearse as a tow car so I feel confident he will uphold the proud DLF tradition. I have kept a regoed coupe for Targa purposes so perhaps we should talk Mr Lott?


a hearse! only the finest ah :) your making yourself sound old ah mate, i didnt think there was an upper age limit for the DLF elite? or maybe your just saying that so we drop our guard? im definatly keen on a talk, are you looking for a good home for it? the world is seriously lacking in A12 engined targa coupes, pm me if you like and we could work out a deal? all good :)
chris.

Posted on: 2010/1/10 11:51
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Re: Fanta injection?
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dattodude wrote:
Not much changed, all of us are older... Got married and a kid. Still got my Datsuns safely tucked away, have come close to selling up a couple of times. My sedan project occurred from 2000-2005 (1000s of hours effort). Drove it sydney to melbourne and back in 2007. Basically sitting in parents garage on a trickle charger ever since then due to work and family, and me not having my own large garage to work on the car during evenings. Can't have everything it seems ..at least I still have the Datsun.

I hope to spend some getting the last niggling things sorted during my long service leave after Oct 2010.


tell me about it! life is one big compromise ah, one thing gets won but another has to be put aside, i had a look at your green sedan a few nights ago on http://www.shoeys.com definatly a lot of time and love gone into that car of yours ah :) ive spent the last 10 years rebuilding and repairing everyone elses truck and machinery engines and gear ah, its about time i got another 1200 ah :)

Posted on: 2010/1/10 11:41
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Re: Fanta injection?
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hey mate :) not sure if thats a good DAMN or a bad DAMN haha, it has been all go, working hard, im working out of napier now, still heavy diesel, married, children, pig hunting, all the usual suspects, have been looking for another coupe the last couple of years, all my spares are still here :) have looked at a few (7) sedans, but my heart is with the mini muscle car ah :) something for hill climbs and maybe oneday a targa? same goal as always :) i have a doublecab 1988 Datsun Navara, had to get a nz new one as the rest are Nissans :) its got the mighty TD23 in it, which i turbocharged, its gone from 25km/h over the hills up the napier-taupo road to 85+ :) and thats with 5+dogs! all action front :) about the worst thing that has gone wrong was a burst fanta can when i had it cable tied to the injector pipes. have a pic of my old 1200 coupe in the family album and my wife cant beleave i ever sold it :) how about yourself?

Posted on: 2010/1/10 11:11
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Re: Fanta injection?
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levey wrote:
Whooh, this topic is out there!
Good to see a joke last this long, I wonder if the original post was a joke or not!


it was no joke, hardcase, 10 years and it is still as "HOT" a topic on here as it has been to me out here!
my first experiments were with a window washer bottle, and a switch sellotaped to the dash, a window washer nozzel was glued to a hole that was drilled in the top of the datsuns aircleaner cover, the cover was painted "flame orange" of course, to ensure it slipped under the "DLF" radar, i painted the the rocker cover "flame orange" also, another trick to decoy the "DLF" is to leave the fuel flap open as when they are tailing you you can pick them by their frustration of an imperfect rear profile, but enough on that. back to the main topic, my intiial findings were exciting, at WOT full load i would flick the switch, the engine power would begin to die off, perfect, not only will my engine go harder once i had perfected it, but i had accidently stumbled upon promising engine braking/retardation results. no more wasting $22nz dollers every 2 years on brake pads. next i thought maybe the switch was flowing too much current to the relay operating the washer motor/fanta injection pump, therefore allowing the motor to pump too much fanta, so i fitted a smaller switch, which strangly made no difference, you would think that a smaller switch=less flow, ah well we experiment to learn, thats the beauty of cutting edge tests like these.
after trying a "decoy carburetter" with an arrow & sign pointing to it (sign said: all air, in here) to trick the air into going into the correct carburetter, as we all know how stubborn air can be sometimes, trying to get it into an engine can be a real PITA! so i performed this test along with the usual suspects, such as: intercooling the rocker cover, mono-rockergear-scoop, intake manifold breathers, remote aircleaner, stripped out water pump, cross drilled water galleries, spark plug resting, but none had the same "seat of your pants" results as the initial fanta injection tests, now, if injecting fanta dropped the power, surly un-injecting it would gain power? correct? yes. the theory sounded good, the science was rock solid, a can of opened fanta was tied to the exhaust near the tip, i used a special 5.5inch tip to ensure test consistancy. i tied it with 30lb nylon fishing line through the lift up tab, next, i conected a vacume pump to the previously drilled hole in the air cleaner top cover, there i also placed a full opened can of fanta to encourage the fanta to "flow" to its mates, people go where people are, therefor, fanta shall flow towards other groups of fanta, rock solid science, the local "te mata peak" hill climb was to be the test, i had conected the vacume pump to a "WOT" switch, and about the 4th hard "WOT" pull, the car behind me flashed its lights 4 or 5 times, im picking they could see orange smoke? test compleated, i returned to find not only had the process melted the 30lb nylon, but the un-injection had drawn in the empty can also!!! i checked under the bonett and found signs of excess fanta leaking all over the engine, the cupith was fullith, so to speak, seat of the pants during the drive told me it was definatly working, no power drop offs, all felt normal, so where to from here? i didnt have much room around the exhaust area, so i really had to stick with making the injection work, rather than chase un-injection dreams, so working on the proven N*A*N*A(not all naturally aspirated) principal, where usually 2 of the 4 cylinders are turbo/supercharged, the other 2 are N/A, i decided to drill and tap a 1/8npt thread above cylinders 2&3, i connected my origional injection system up to them and once again, off i went, at WOT there was approximatly 1/2 the engine power loss as before, bingo, the N*A*N*A principal definatly is the direction i needed to head down, but first, i had another idea, pre-aircleaner induction cooling, i sourced a high flow intercooler and plumbed it inline between the intake and the aircleaner housing, so all air was drawn through it, nice, then i opened a 2.25L bottle of fanta, needed the volume here lads, posistioned it above the intercooler on a pivot and used 30lb nylon fishing line to hold it in place, next i ran the tension of the line down to the accelerator pedal and secured it, then i sellotaped a razor blade to the underside of the pedal, so when i put my foot down for WOT/full load, the razor would cut the 30lb line, allowing the bottle to swing down, giving the intercooler a full charge of cooling nectar, fantastic. so here i was, no bonnett, 50mph down the straight, saving the WOT for... hold it... hold... hold... NOW!!! bloody fanta everywhere! and i couldnt wash it off my windscreen as i had used the washer resivour for previous tests, so back for a wash before the DLA infringed me for the non factory orange windscreen tint! the 155x12's were pushed pretty hard all the way home! it was then that i decided, who am i to decide when my engine needs fanta injection? surly my engine can decide for itsself? its old enough isnt it? hell, its older than me! so i always leave a full can of fanta in the engine bay, no matter what i drive, sometimes i jump in the vehicle and it feels a bit better and perkier than yesterday? i kinow what its sipping on, heading back from a hunt and every other vehicle is stopped by the snow? fanta keeps you moving, you just got passed like you were standing still? bet you hes running a fanta system, i have seen a couple of systems on here where the owner has hollowed out his unneeded HT ignition leads, turned them into injection rails, and has a can of fanta in the place of the coil, excellent, that is what it is about, as there are 3 things in life you can rely on for performance, old datsuns, new datsuns and fanta.

Posted on: 2010/1/10 10:49
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Re: Transistor ignition unit(electronic
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so how did you get on man?
just curious ;)
choice from chris

Posted on: 2002/2/26 8:34
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Re: back again! help on thermos still plzzzzzz
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hey man, try a early(1990) mazda astina, the pop up headlights one, yeah there is a real thin fan at the front that is perfect, also try nissan P10 primera/infinity thermofans, they have 2 fans side by side, and it is easy to seperate the smallest and this looks to be an easy fit.
good luck, choice from chris

Posted on: 2002/2/26 8:26
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Re: stud pattern ?
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hey bro, ok now to be 100% honest i dont even know the pattern or even how many studs but as no one else has answered ill offer up a couple of generalisations. ok if its the std nissan 4 stud pattern, then mitsubishi 4 stud rims also fit, be carefull though as to not get fwd offsets if it is the 5 stud pattern same as a 300ZX the mitsubishi GTO, 3000GT and also Diamante 4wd rims also are interchangeable, pretty much all nissan/datsun stuff is interchangeable with the exception of obvious differences such as 4 and 5 stud and your different offsets.
good luck man. choice from chris.

Posted on: 2002/2/24 0:19
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Re: 1200 Time Capsule.
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straight up man there is an orange 4 door sedan, orange orange not yellow orange, an old lady who is a customer of ours owns it, its so mint it is beautiful, just a minor bit of panel damage on the right front from when she caught the letter box, her eyes just arnt the same anymore, but its such minor damage that any experienced panel guy could get it 100% without any bog or filler, so yeah just thought id tell you :) there has to be more out there aye.
choice from chris.

Posted on: 2002/2/24 0:07
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Re: Transistor ignition unit(electronic
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is it a rough idle or a missfire?
what rpm is it idling at? sometimes the mixture difference between say 700 and 800rpm can be the difference between a rough idle and a reasonably smooth idle, also with a modified
engine it is common to raise the idle a fair amount to a point where the engine settles down say 1000-1200rpm, which is usually more prefered anyway as it is closer to the point where
the oil pump can give full oil pressure. also i know you will have checked it but ignition timing retarded excessivly can cause rough idling.
sweet man i hope all is good.
choice from chris.

Posted on: 2002/2/13 12:25
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