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Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...

Old 03-23-2012, 12:58 PM
  #21  
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Could someone explain the red line in the composite log please.
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Old 03-23-2012, 03:59 PM
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Errors. It usually pops up on the tooth AFTER the actual problem.
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Old 03-24-2012, 10:13 AM
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Default New pictures - exhaust cam slipped one tooth ?!

Here are some pics after I removed all the stuff:



Looks like my exhaust cam splipped one tooth - correct?

Here are some pics after I removed all the stuff:



But what bothers me is - why is my crank pin not at 12' o clock and why did someone (my previous shop that did put in my built engine) make a mark at that point (which aligns with the cam marks (at least with the intake cam at the moment... )
See pic:

Here are some pics after I removed all the stuff:



Edit:

More weirdness...
When I align my crank with the pin up like this


I am at TDC for cylinder one... (I checked with a very scientific method...)



With the Crank aligned like this the cams are standing this way:


What the f...?

Was my check correct, do I have a brainbug, what is going on...?

Please help me out here...
Attached Thumbnails Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...-mx25_004.jpg   Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...-mx25_005.jpg   Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...-mx25_006.jpg   Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...-mx25_007.jpg  

Last edited by Zaphod; 03-24-2012 at 10:33 AM.
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Old 03-25-2012, 06:14 AM
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Nobody?
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Old 03-25-2012, 06:24 AM
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Looks like the intake cam gear is off 1 tooth, which is what you are seeing on the composite log. I can't even tell what is wrong with the exhaust cam.
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The “into to megasquirt thread” mentions that the MS3 basic has 5 inputs with built in pull up resistors - and I was just wondering why it would have so many, while the MS3Pro PnP has just 2 (with no pull ups?)
MS Labs: Plug and Play Megasquirt ECUs for ANY 90-05 Miata (NA, NB1, NB2 w/VVT, MSM), including basemaps to get you started ASAP. PM me or email or details.
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Old 03-25-2012, 11:43 AM
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Your timing is totally hosed. Whoever put the belt on set the cams when the crank was at BDC not TDC it seems.
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Old 03-25-2012, 11:47 AM
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Pull the belt off, check to see that the pins are in the proper place in the cam gears, and redo the whole thing.
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Old 03-25-2012, 11:58 AM
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Originally Posted by FatKao View Post
Your timing is totally hosed. Whoever put the belt on set the cams when the crank was at BDC not TDC it seems.
How would the engine run in that configuration?

I am going to do the whole timing again after I have seen that somewhat geeky but quiet helpful videos...

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Old 03-26-2012, 08:23 AM
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I turned my crank today some more times to see if I can find a spot where the marks all agree... but they where really totally off. As to bee seen in the first picture above it looks like the 1st cylinder was at ~BDC when the cams were at the marks.

How could an engine run this way for 2 years...? Most of all - my signals must have been so that the DIYPNP and the MS3 were able to ignite and inject?
Would this even be possible?
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Old 03-26-2012, 08:42 AM
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It won't have run in that configuration, the belt has just jumped that's all.
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Old 03-26-2012, 08:46 AM
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Sooo much... o.k. then - lets get on.
Assembly as soon as I got my water neck blocking plate and timing belt / tensioners.
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Old 03-28-2012, 07:49 AM
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Default Parts are rolling in..

Got the belts and tensioners today...



The freeze plug is installed:

Attached Thumbnails Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...-mx25_010.jpg   Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...-mx25_011.jpg  
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Old 03-28-2012, 08:35 AM
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A lot of members, me included, put a plate over the freeze-out plug as insurance that it stays in position. A small weeping leak can be detected and overcome, a sudden empty system is another thing.
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Old 03-28-2012, 08:48 AM
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I should be getting that plate this afternoon - thank god I got a friend that can machine these things for me...
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Old 03-29-2012, 03:48 AM
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So I finally found the main problem that caused all that fuss... me...

Maybe I shoudl be renamed into Faezaphod or something like that...

When I tried to remove my front waterneck this winter I removed the upper cambelt cover in a very Fae-like way... (though I didn't use a sawzall, but a huge screwdriver..) I removed the cover, did see that there is much more to the waterneck removal - and reattached the cover. But a piece of the cover broke and got ripped of by the cambelt and mangled between cambelt and the crank cambelt pulley... - I suppose that was the point where my cambelt jumped over quite a large bit...

So on to the fix:
That is my third hand I used when setting the cams and attaching the cambelt..


Thats how it looks now - have to reassemble the rest today.



Greets
Attached Thumbnails Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...-mx25_012.jpg   Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...-mx25_013.jpg   Was - Did I kill my starter, ...? - Now - Please help me with my timing belt...-mx25_014.jpg  
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Old 03-30-2012, 12:27 PM
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Just wanted to let you know that the car is up and running again.

At first I overtightend the belt - but the second attempt was good.

P.S.: I had the timing light to reference the timing and I have seen that there is no difference between the DIYPNP and the MS3 in timing for the 99-00.
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