Crank trigger plate backwards?

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Dec 7, 2018 | 11:50 AM

#31

AndrewEvo4

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From: New Zealand

Quote:

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 ?

Dec 7, 2018 | 11:56 AM

#32

AndrewEvo4

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[QUOTE=Ev0ikon;11851946]which cam gears are you using

OBX precision racing ones they are adjustable as well

Dec 7, 2018 | 01:16 PM

#33

kaj

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From: Fresno, CA

If the MAF is bad, have you swapped it? You can't expect the car to want to run without a proper MAF signal.

Dec 7, 2018 | 01:30 PM

#34

Biggiesacks

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even without a maf it should at least start then die, the startup Injector pulses and timing are hard coded.

Dec 8, 2018 | 11:12 PM

#35

AndrewEvo4

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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 ?

Dec 9, 2018 | 12:16 PM

#36

Ev0ikon

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From: 3rd Rock {from = sun}

Quote:

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.

Dec 9, 2018 | 12:38 PM

#37

kaj

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From: Fresno, CA

Quote:

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?

Dec 9, 2018 | 01:05 PM

#38

AndrewEvo4

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From: New Zealand

They are exactly the same diameter as the std cam gears

Dec 9, 2018 | 01:07 PM

#39

kaj

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From: Fresno, CA

Quote:

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?

Dec 9, 2018 | 01:09 PM

#40

AndrewEvo4

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From: New Zealand

With the dowels both upwards and the crank plate in the tdc position

Dec 9, 2018 | 01:12 PM

#41

kaj

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From: Fresno, CA

Quote:

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?

Dec 9, 2018 | 01:14 PM

#42

AndrewEvo4

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From: New Zealand

Yes and they meet in the centre

Dec 9, 2018 | 02:29 PM

#43

kaj

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From: Fresno, CA

Quote:

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.

Dec 9, 2018 | 04:17 PM

#44

AndrewEvo4

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From: New Zealand

Quote:

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

Dec 9, 2018 | 05:08 PM

#45

AndrewEvo4

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From: New Zealand

Quote:

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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