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-   -   03' Evo Won't Start After Cam Install (https://www.evolutionm.net/forums/evo-engine-turbo-drivetrain/581528-03-evo-wont-start-after-cam-install.html)

Blue91lx Oct 30, 2011 04:52 PM

03' Evo Won't Start After Cam Install
 
I followed this video: http://www.youtube.com/watch?v=ex-43BYrjP0 I triple checked everything before it was put back together, and the car won't start. Getting fuel and spark. The only thing that felt weird was that the CAS didn't feel like it wanted to slide very far into the cam.
Any ideas?

NOMIEZVR4 Oct 30, 2011 05:35 PM

You might have flipped the cam sensor notch 180 degrees. Doing it according to that video is not the smartest thing IMO. You dont know if timing belt comes off a tooth down at the crank sprocket. I would highly recommend you take apart the complete cover and make sure your timing belt marks are lined up correctly.

Blue91lx Oct 30, 2011 06:23 PM

I will try flipping the sensor. I secured the timing belt very tight with zip ties. The belt seems to be tensioned properly. However, I will double check. I didn't go into this blind; I've built many cars before. That's why I'm a bit confused.

Blue91lx Oct 31, 2011 03:33 PM

I pulled the Valve Cover off, checked if everything was at TDC (screwdriver method), and checked everything. The sensor is in correct. Nothing is wrong, and the cams/motor ARE at TDC. I bled the lifters, however, was advised to NOT pump them back up. Thus, since the lifters are soft, they will not open the valves for their proper events. Correct? Thus, that would not let the car start.... Also the car runs on AEM EMS. Since this is speed density, could the change from BC272/XSPower to S2/Nisei throw off the tune so much that the car won't even start? Those are the only two reasons I can come up with, other than the obvious timing belt jumped a tooth (which I'm almost positive it did not, as I monitored it very closely. HELP!

Blue91lx Oct 31, 2011 05:19 PM

Some Evo guru must be able to answer this.

1sxyrxy Oct 31, 2011 05:37 PM

Set it on time with the v/c take pics. Or do a compression test make sure u didnt bend a valve

Blue91lx Oct 31, 2011 06:04 PM

It's at TDC. Timing is on. Verified at the crank. Cams are at 0 degrees. I don't need to take pictures. I checked all that three times. I'm asking about the lifters.

AWD96 Oct 31, 2011 06:07 PM

Did you make sure all sensors etc were plugged in? Is it getting spark?

Blue91lx Oct 31, 2011 06:18 PM

Getting fuel and spark. Triple checked all sensors. Turns over, just doesn't want to catch.

Edit* Sorry for not including that information. I thought I had.

1d10t Oct 31, 2011 06:19 PM

Adjustable cam gears? Make sure the cam dowel is in the evo position not dsm. This will cause a no start

iluvmydsm Oct 31, 2011 06:20 PM

If you have spark and the injectors are pulsing with good fuel pressure and you have good compression (150-160) and your timing is set then it should run

Blue91lx Oct 31, 2011 06:32 PM


Originally Posted by 1d10t (Post 9712141)
Adjustable cam gears? Make sure the cam dowel is in the evo position not dsm. This will cause a no start

Triple checked :)


Originally Posted by iluvmydsm (Post 9712143)
If you have spark and the injectors are pulsing with good fuel pressure and you have good compression (150-160) and your timing is set then it should run

There's no reason why compression would be down. Timing is on; I didn't bend a valve. I've checked all of the simple things. I think everyone's missing the important post:

Option 1: I bled the lifters, however, was advised to NOT pump them back up. Thus, since the lifters are soft, they will not open the valves for their proper events. Am I correct in this thinking? Thus, that would not let the car start....

Option 2: Also, the car runs on AEM EMS. Since speed density is a bit more finicky, could the change from BC272/XSPower to S2/Nisei throw off the tune so much that the car won't even start?


Everything else is verified that it's in working order.

1d10t Oct 31, 2011 06:58 PM

Imo, lifters won't cause a no start. Don't think its tune related.
Perhaps cams are mismachined
Compression test

Blue91lx Oct 31, 2011 07:02 PM

I suppose that's what I'll have to do next. Thanks for the insight!

1d10t Oct 31, 2011 07:06 PM

How far are u from williamsport? I literally just moved here tonight


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