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Crank trigger plate backwards?

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Old Dec 7, 2018, 11:50 AM
  #31  
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Originally Posted by Ev0ikon
Do basic things first. Can you or your sparky confirm compression numbers across the cylinders?
hi compression is the only thing left really to check but in saying that it’s just been rebuilt with wiseco pistons etc. It does seem to turn over really easily and there’s not even a hint of it coughing or wanting to start can upload a video if it would help at all. Spark is good , fuel is good the sparky did wonder if the ecu was dumping lots of fuel in as the maf sensor was faulting. I have a 5 Ecu that I also tried and it didn’t show a fault code which seems odd ?
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Old Dec 7, 2018, 11:56 AM
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[QUOTE=Ev0ikon;11851946]which cam gears are you using

OBX precision racing ones they are adjustable as well
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Old Dec 7, 2018, 01:16 PM
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If the MAF is bad, have you swapped it? You can't expect the car to want to run without a proper MAF signal.
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Old Dec 7, 2018, 01:30 PM
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even without a maf it should at least start then die, the startup Injector pulses and timing are hard coded.
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Old Dec 8, 2018, 11:12 PM
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Hi guys no I haven’t swapped the maf as I don’t have another handy I have done a compression test now and have found we have zero compression so thinking timing is 180 out ?
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Old Dec 9, 2018, 12:16 PM
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Originally Posted by AndrewEvo4
Hi guys no I haven’t swapped the maf as I don’t have another handy I have done a compression test now and have found we have zero compression so thinking timing is 180 out ?
The cam gears may be off 90* if you use a DSM one on an Evo.
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Old Dec 9, 2018, 12:38 PM
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Originally Posted by AndrewEvo4
Hi guys no I haven’t swapped the maf as I don’t have another handy I have done a compression test now and have found we have zero compression so thinking timing is 180 out ?
All the parts have marks to line up. You line them up, rotate the engine a few times, then re-check. The only thing that can really be out is the front balance shaft. Which part are you thinking is 180* out?
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Old Dec 9, 2018, 01:05 PM
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They are exactly the same diameter as the std cam gears
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Old Dec 9, 2018, 01:07 PM
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Originally Posted by AndrewEvo4
They are exactly the same diameter as the std cam gears
And the timing marks are on the exact same place?
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Old Dec 9, 2018, 01:09 PM
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With the dowels both upwards and the crank plate in the tdc position
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Old Dec 9, 2018, 01:12 PM
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Originally Posted by AndrewEvo4
With the dowels both upwards and the crank plate in the tdc position
There aren't timing marks on the cam gears?
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Old Dec 9, 2018, 01:14 PM
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Yes and they meet in the centre
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Old Dec 9, 2018, 02:29 PM
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Originally Posted by AndrewEvo4
Yes and they meet in the centre
Does the Evo IV not line the cam gears up with the marks on the valve cover? That's weird. I'd rather just use the right gears.
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Old Dec 9, 2018, 04:17 PM
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Originally Posted by kaj
Does the Evo IV not line the cam gears up with the marks on the valve cover? That's weird. I'd rather just use the right gears.
All the info I have read has the dowels lined up both facing up and the marks on the timing gears facing each other in the center
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Old Dec 9, 2018, 05:08 PM
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Originally Posted by AndrewEvo4


All the info I have read has the dowels lined up both facing up and the marks on the timing gears facing each other in the center

This is how it sits at this moment
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