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Post by Luke Anker on May 16, 2016 21:42:35 GMT
Hm,
Okay well thanks for the input. I'm fore sure going to take a look at the timing next as this is what im thinking is the issue. Does anyone have an idiot proof diagram or explanation to ensure I dont miss anything this time around. haha
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Post by steadfast on May 16, 2016 22:53:54 GMT
Lets look at the basics; Fuel, Spark, Compression.
Fuel: When you pull plugs, are they wet from fuel after cranking?
Spark: Test spark while cranking
Compression: I know you just redid the motor, but wouldn't hurt to test compression...
If those are all good then I would test the following:
-is your timing belt on correctly (do as gwnwar mentioned)
-check, recheck, and then triple check your grounds (all of them)
-see if you have a friend with a 1.6 miata and try swaping sensor (CAS, Crank, etc)
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Post by gwnwar on May 17, 2016 3:27:21 GMT
Did you check if you can hear the injectors clicking when cranking?? Check this for pics of TB install www.miata.net/garage/timingbelt.htmlThere is a ground spot just aft of the fuel rail for injectors and coils.. also 3 ground spots end of dash pass side..1 drivers side of dash.. main ground under brake master 5 wires to 1 spot. has this been opened and each wire connector cleaned.. Room fuse 10a good that powers ECU Blue/Red wire.. 2 Black wires at ECU 2A&2B grounded.. if a Federal car R/W pin 2H grounds through the short connector and ground under pass.dash. |
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Post by colin on May 17, 2016 18:25:46 GMT
You interested in a hand working on it on Saturday? I'm free in the morning and early afternoon. Plus that sounds like a good excuse for a drive in the hills!
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Post by Luke Anker on May 17, 2016 19:13:26 GMT
Hey Colin!
That would be good fun actually. My dad and I will be working on it and another person who finished theirs already would be INCREDIBLY helpful. I'll PM you with details.
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Post by Luke Anker on May 29, 2016 5:19:51 GMT
Exocet got started last weekend for the first time and finally figured out the issue. Now fast forward to today...I wanted to track down why there was a little oil being burned, turns out after pulling the head again that it appears the rings are seating for some reason and the block will have to be pulled. Ugh I WAS SO damn CLOSE!!! So where am I now, Today I spent the time to remove the engine and it is now on a stand. I have ordered new rings, and other replacement gaskets to do this job...again. Plan is to have this done and back in the car by next weekend.
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Post by colin on May 30, 2016 1:22:12 GMT
OH NO!!! That's a bummer. I'm sure the second time building the engine will be much faster. Any idea what caused the issue?
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Post by gwnwar on May 30, 2016 5:46:40 GMT
What did you mean by "it appears the rings are seating for some reason" Did you stagger the ring end gap and the oil ring parts end gap.
and break the cly. glaze.. Did you check end gap of all rings.. How much oil was being burnt..
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Post by USStu on May 30, 2016 17:33:55 GMT
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Post by USStu on May 30, 2016 17:35:07 GMT
You did hone the cylinders for the new rings, correct?
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Post by Luke Anker on Jun 1, 2016 21:15:37 GMT
Hi all, Thanks for your interest and advice. I figured I'd answer by name to make things easier  Oil burn blow by in cylinders Colin- Yes, it will be much easier now and it's already disassembled and on the engine stand now, I will have new gaskets and rings by tomorrow to finish the job and reinstall engine on saturday 6/4! gwnwar-Yes, we staggered the ring gaps as per haynes manuals description. Also the amount of oil was essentially a smoke screen like a james bond smoke screen. (Blue smoke) **See video above** USStu- Yes, we honed the cylinders for the rings |
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Post by colin on Jun 1, 2016 21:34:38 GMT
Did you just have the machine shop hone the cylinders or did you have them bore out to the next size up and get the corresponding larger pistons?
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Post by jsmith on Jun 1, 2016 21:36:50 GMT
Are the top of the rings facing upward?
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Post by Luke Anker on Jun 1, 2016 21:49:05 GMT
We honed them at my place and when the block was in getting magneflux checked i had them check and the bore was standard so used same pistons but new rings.
What do you mean are the top of the rings facing upward?
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Post by jsmith on Jun 1, 2016 22:45:32 GMT
Some rings will have a dot or a marking on one side indicating which side is the top of the ring. Sometimes the top ring is not directional as far as top and bottom but the other ring(s) may be tapered. Hope that makes sense....
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