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Posts posted by ThePog
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Well the other terminal is just a switched +12v..
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I have this fuel cutoff relay wired into the wee Fiat, but does not appear to be functioning correctly.
https://themetricnut.co.nz/store/index.php?route=product/product&path=204&product_id=1724
It has the 4x normal terminals plus an additional wee one which theoretically is the go signal input. If the engine isnt running it should prime the carbs then cut off, but it runs continuously.
I have wired the signal terminal to the coil pack output, the coil looks like this and serves all 4 cylinders;
Any ideas what I am doing wrong?
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Yea so today I fixed a couple of issues with the windscreen washer, firstly trying to get the aftermarket nozzles to actually fire at the screen, then fixing the washer tank which for some reason is about 8 litres, most of which got dumped into the frunk overnight due to a crack. This I filled up with poo and hoped for the best. Then I addressed the extreme force needed to make the washer run, which meant pulling the stalks off and doing an excellent bodge which you dont need to know about in case my good name as an engineer is ruined, suffice to say they work perfectly now.
Then with the few hours still left in the day I made a rear valance thing, although the mesh looks pretty sparse irl so I might smash something slightly denser on there;
And I think thats pretty much it, I'll book a wof for next and see how that goes....
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Fixed the rust hole, no pics cos boring.
Made a heatshield for the alternator, first drilling and tapping some brass hex to stand it off, then some CAD, then some shiny so it reflects heat;
Then I grabbed the pretty non functional catch can that I made for the truck, modified it so the wire wool was less in quantity and right before the outlet rather than at the inlet, which is why I suspected it didnt work well, then gave it some chode so it would fit in the engine bay;
Went and filled it with some 95 as it was pretty low and it definitely needs some time spent on tuning, the low throttle popping and banging sounds good but the afr tells me its not right.
Man it feels good to drive tho, the combo of the gogo and the noise is pretty great. If anything it sounds better now the air filter is on, a really purposeful growl.
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I spent some time dicking round with the airbox as I didn't like the long studs coming up off the carbs, plus the carbs themselves seem to be mounted in a slightly different position and the airbox really didnt like sitting down in place.
So I made a new baseplate that fitted nice and put some 16mm tube in there so the screws could clamp it directly through the baseplate.
Its a bit cleaner looking too...
Then I glued the windshield trim on with some extra and probably non standard fixing methodologies;
I am missing the joiner bits but I might just poo the gap up for now once its cured in place.
A new and marginally sexier fuel pump arrived and got placed;
Ooh and here is my sexy top link what I made in place;
So just the rear valance to make, plus probably a heat shield for the alternator as its still close regardless of the wrap.
And the alternator light doesnt work for some reason.
And I found another sneaky little rust hole in the drivers floor. I should have noticed it as there was a 20mm stalactite of bog hanging down underneath, but obviously I didnt up til now. There is an argument for step drilling it out to 25mm and calling it a drain hole, but I will make a closer investigation.
Oh and I bolted most of the rest of the bits back on;
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Yea it has that hard coming on cam sound that is pretty great irl.
Gagging to get it legal and find some twisties....
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Well I did sortof ease it in there, the header wrap had obviously never been run and started smoking like anything when I first got it running, then the idle kept creeping up when it got warm so I did a rough carb balance. Then I did a gentle(ish) run to see how it felt.
Then I thought fuck it, I cant see why it wouldn't take it like it always had.... and it did.
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Driveshafts in
Oil in
Coolant in
Popping and banging when I try to start it
Realising the plug leads are 180deg out
Boom
Then realising the fuel pump is leaking like a sieve and it is a $14 AliX special so not unexpected.
Then finding the original Facet pump and checking it works, it does
Then realising you have no fittings to make it work so no driving
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Bright and early this morning, firstly time to pour some liquid money into the box once the engine is kindof level. 3.2 liters of Redline MTL which all the cool kids say is the only shit to use in an X1/9 box. At $200 for 4x bottles it fucking better be.
Then on to the main event;
Then after half an hour of wiggling and jiggling, angling and dangling etc
Then the rest of the day bolting shit back on;
Just the driveshafts and some oil and it might be time for a skid. But thats tomorrow's effort.
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Just glued the windscreen in cos I am too cheap to pay someone to do it. I should have done so.
The experience is best described by this convo with @HumberSS
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Pulled the tappet cover and sump, all looks well;
Printed a new faceplate for the heater mech with the knobs set back a few mm as the cables were pulling it a bit, plus I printed a white insert for the indication to make it tidier, this just got coloured in with permanent marker for the red and blue bits;
Clutch arrived;
Also my younger self had bodged something for the top engine mount as the original one didnt work with the new engine, this was an unconvincing effort. So I spent some time with the lathe and the welder and made something much nicer with replaceable standard bushings;
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Some bits from the UK arrived surprisingly quickly, a sump and tappet cover gasket, a boot for the gearshift, suspension bushes etc;
I made a battery bracket to suit the most likely battery I found in my stash of many;
All those untidy wires are not part of the car you will be pleased to know.
I also printed some things;
Cos that link for the lock on the passenger side has gone walkies somewhere.
And over the last couple of weeks I have been designing and iterating a set of heater controls that I think actually should work.
Cool beans.
Also I wired up the clock. It works all nice.
The clutch couldnt get uprated cos they couldn't find the parts to do it and additionally the man said it looked like that cover springs had been over extended, this might mean it was slipping due to wrong adjustment, so I will order a new standard clutch and see what happens.
Also I found another X1/9, and have spoken to the owner, so there might be a very small Nelson X1/9 owners club.
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It is absolutely identical to this one, down to the branding
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I bought this one off AliX a while ago, it is now installed in the Fiat. I came with what appears to be a genuine Bosch 4.9 sensor.
The reviews both in AliX and in the wider world are positive.
I can let you know in a week or three how well it goes..
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I modelled and printed some door card clips which as always gives me the deepest pleasure. These worked pretty well after some tweaks.
These are not exact copies and are designed so they are easier to print, but functionally they are sweet.
The drivers side window winder mech was deeply wrong, the wire tension adjustment was maxed out, hacked and the maxed out again, but the wire was still as loose as fuck and while it kindof worked it made horrible grindy noises.
This came from the barrel where the wire was straddling grooves cos it was so loose. It was all down in a difficult to reach place, and those mechanisms are notoriously cunty to pull out and put back.
Amazing that I got a bollock into that shot as well.
The passenger side was sweet and the wire connection looks like this;
After a bit of thought and dicking around trying to take slack out of the wire a genius idea came to me;
I routed the wire like that through both lift points, which took up enough slack that I could tension the mech properly.
Another 1/4 hr of contortion with a torch, phone and screwdriver and I had the wire slipped back into its rightful track.
It works perfectly again, yay!
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Yea I tuned it by ear by comparing octaves on one string of each of the triplets, then listened to the interference pattern to tune the other two.
It wasnt in tune
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I was given a John Broadwood a long time ago that was badly broken. My wife went to the UK for a month so I sat the action on the dining room table and slowly worked my way along it replacing springs and tape etc.
Getting the parts was hilarious as the man at the piano shop had a full on rant at me cos i asked if he also had a tuning key I could buy or borrow, he lost his shit and told me loudly and in the thickest Scottish accent that he had been fixing pianos for 40 years and what made me think I could do it in any way shape or form. I suggested that playing guitar for 20 years might have developed my ear for these things somewhat and he lost it so bad that he had to walk out. His boy was cracking up in the background and sold me all the parts I wanted once the old boy was gone. I didnt get a tuning key so jimmied one out of some square sockets in my socket set.
It was never spectacular but played and sounded pretty nice. Unfortunately I had to store it in a shitty shed for a few years and it got ruined again. So when my daughter had her 16th we had a piano smashing party and they laid into it with sledgehammers and axes while drunk. She has one friend who is an unusual girl but holy shit she could wield a sledgehammer.
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Bolted more shit on.
I thought I had better reassemble the doors and check their function before chucking them on, and shortly I noticed that this little tit on the door latch had broken off, which would mean I would have to unlock the passenger side and reach over to unlock the drivers.
See that tit on the diecast part? This actuates the lock from the door key;
Commence bodging
And it worked! I was quietly pleased with that as those latches are pretty much unobtainium these days
Then I realised that I was trying to use the passenger latch in the drivers side, so that was all a waste of time. Except that the boot and engine cover latch levers are in the shut off of the passenger door.
So actually it will be pretty useful to be able unlock the passenger side to get to those. I seem to recall this not working previously.
So fuck all left to do really;
Windscreen
Box on and engine in
Final wiring connections in the engine bay once the engine is in
Passenger door
Boot and engine cover
Carb tune
I am assuming the brakes will probably need rebuilding, we will just have to see.
And whatever other fuckery arises.
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3 hours ago, ynot said:
Looking good, will be great to see it back on the road
Its getting exciting.
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Clutch cover is away getting stiffer springs put in.
I have ordered many specific X1/9 bits from a UK company that pretty much only do X's and Lancia Montecarlo's. So many little things that I was going to have to fudge and now won't have to, so thats nice.
In the last couple of days I slapped the last of the paint on so it is (mostly) one colour, and this evening has been all about bolting shit back on. Quite a few little trim bits seem to be missing but nothing to prevent function or legality so far.
Nice from far, far from nice.
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Took it to the clutch man, they are going to put stiffer cover springs on, hopefully that will be enough...
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I would be interested to see that...
Tech Spam thread - because 1/4" BSP gets 5 hand spans to the jiggawatt
in Tech Talk
Posted
Hmm, I may have missed that and made some assumptions about it being essentially a relay with extra.
Maybe I will revisit my wiring.... thanks.