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Post by scottydugg on Oct 3, 2022 11:20:45 GMT
In an on-going battle with my 5, the tuners now managed to resolve my high cold idle on start up, but the cars now starting like a pig. He's in contact with DIY-EFI and they both want to move to a mk2 setup, so a crank and cam angle sensor. I can see a lot of chat about doing it but nothing concise enough to forward to him to get the ball rolling. I've so far got a new crank trigger wheel and sensor, I think I need a new mk2 crank wheel to accommodate the trigger wheel offset. From my understanding the mk1 CAS has 4 wires: 12V, GND, Crank sensor wire, cam sensor wire. I hope it's as simple as splitting these 4 into 2 separate plugs, so I think I need: mk2 intake gear (I have), mk2 cam cover (I hope I have), mk2 cam sensor, mk2 lower plastic timing belt cover, mk2 cam pulley. I think I'll need to drill and tap the oil pump to take the crank sensor also (suggested HERE). Anyone done this already or have any info that might help? would be much appreciated. It's not looking too complicated, but it's looking like more work than I'd hoped. Edit: Should add, if anyone has any of the bits I need let me know! thanks. Another Edit: only the crank sensor I need as not running sequential or VVT. |
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Post by Zed. on Oct 3, 2022 11:59:54 GMT
I think I need: mk2 intake gear (I have), mk2 cam cover (I hope I have), mk2 cam sensor, mk2 lower plastic timing belt cover, mk2 cam pulley. none of that if only using the crankshaft / pulley as reference.I think I'll need to drill and tap the oil pump to take the crank sensor also (suggested HERE). sometimes the hole is already there...Anyone done this already or have any info that might help? would be much appreciated. looked & read loads but nothing actually to a running condition  It's not looking too complicated, but it's looking like more work than I'd hoped. its easy, almost idiot-proof  Edit: Should add, if anyone has any of the bits I need let me know! thanks. erm....
had a new, genuine Mazda crank sensor but Howard had that  Another Edit: only the crank sensor I need as not running sequential or VVT. easier....look at your link, a few posts in I chirp up  get the p/number for the prodiwhateveritscalled timing pulley & order one from your local Mazda dealer - you'll get better timing-reference and iirc they are ~£10??? Shadowraven (on nuts) has done this iirc.... Rich. |
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Post by scottydugg on Oct 3, 2022 15:00:38 GMT
I think I need: mk2 intake gear (I have), mk2 cam cover (I hope I have), mk2 cam sensor, mk2 lower plastic timing belt cover, mk2 cam pulley. none of that if only using the crankshaft / pulley as reference.I think I'll need to drill and tap the oil pump to take the crank sensor also (suggested HERE). sometimes the hole is already there...Anyone done this already or have any info that might help? would be much appreciated. looked & read loads but nothing actually to a running condition It's not looking too complicated, but it's looking like more work than I'd hoped. its easy, almost idiot-proof Edit: Should add, if anyone has any of the bits I need let me know! thanks. erm....
had a new, genuine Mazda crank sensor but Howard had that Another Edit: only the crank sensor I need as not running sequential or VVT. easier....look at your link, a few posts in I chirp up get the p/number for the prodiwhateveritscalled timing pulley & order one from your local Mazda dealer - you'll get better timing-reference and iirc they are ~£10??? Shadowraven (on nuts) has done this iirc.... Rich. Was aiming for the more second hand route, but will have a look. Ah thanks, will have a look through his build thread. |
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Post by Zed. on Oct 3, 2022 15:01:58 GMT
the crankshaft timing wheel is cheap from Mazda  Rich. |
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jon
Chats A Lot
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Post by jon on Oct 3, 2022 17:01:24 GMT
There shouldn't be any issues with running the MK1 CAS - there's bajillions of megasquirted cars doing it, and I'd imagine quite a few Speeduino based ones too...
And I'd have thought if it runs, then it's working - you need sync to make the engine run, and it's either synced or it isn't. Have they given more reasons as to why they think this is going to change anything? Who is the tuner?
Some of the mk1 oil pump covers were already drilled for the sensor - mine was...
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Post by scottydugg on Oct 4, 2022 11:05:18 GMT
There shouldn't be any issues with running the MK1 CAS - there's bajillions of megasquirted cars doing it, and I'd imagine quite a few Speeduino based ones too... And I'd have thought if it runs, then it's working - you need sync to make the engine run, and it's either synced or it isn't. Have they given more reasons as to why they think this is going to change anything? Who is the tuner? Some of the mk1 oil pump covers were already drilled for the sensor - mine was... Yeah I understand, I've explained poorly perhaps in my haste, running's not the issue it's a consistent start he's after. I've got excessive cranking and sometimes multiple attempts before it'll start, he just wants to move to a higher resolution trigger wheel than the CAS can offer. I've got the pulley ordered, the sensor for free and my oil pump is pre drilled (after searching my photos), so it's not actually too big a deal to implement thankfully, he's a sparky so he's going to wire it in if I can confirm which CAS wire we need. Does anyone know which one I'm after? It's an Eunos so wire colours will probably be different! I'll update here on how it gets on. |
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jon
Chats A Lot
Posts: 270
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Post by jon on Oct 4, 2022 16:46:52 GMT
I did similar on my car, but to be able to run VVT from the mark one loom. I can't find the bit of paper that had the pinouts on it, but I don't remember it being too complex - AFAIK all of the CAS are wired the same, even though the colours may be different:  |
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Post by scottydugg on Oct 4, 2022 18:29:07 GMT
I did similar on my car, but to be able to run VVT from the mark one loom. I can't find the bit of paper that had the pinouts on it, but I don't remember it being too complex - AFAIK all of the CAS are wired the same, even though the colours may be different: Perfect thanks jon, that's ideal. Forwarded it on to the tuner. Hopefully that speeds thibgs along and I get it back soon. Yeah he said as much about VVT. Im being told in so many words by the wife I need to stop tinkering and enjoy it for a while once I have it back! |
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le sigh