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-   -   timing(TDC) question (https://www.evolutionm.net/forums/evo-engine-turbo-drivetrain/457621-timing-tdc-question.html)

xcelr8 Nov 9, 2009 02:26 PM

timing(TDC) question
 
Im probably missing something really obvious, but how do you set the crank at TDC? I dont see a notch or marhk on the outercrank gear. The cam gears are easy to figure out. In the manual it shows a notch, but I dont see it on the outer crankshaft gear. after setting the smaller belt, is it considered set already at TDC? HELP:crap:

xcelr8 Nov 9, 2009 04:46 PM

com'on. someone knows the answer!

EvoRob22 Nov 9, 2009 04:52 PM

What cylinder are you trying to get to TDC?

The notch on the crankshaft in the picture could be the keyway the pulley slides on?

EvolNinja Nov 9, 2009 04:59 PM

You need to remove the accessory belt to see the marking on the crank. Also should do a couple turns to get it to TDC too.

jeri534 Nov 9, 2009 08:02 PM

you dont need to take the belt off, just get a flashlight and look towards the top of the crank pulley on the front cover there is a marking there that should align with a mark on the crank pulley

xcelr8 Nov 9, 2009 09:11 PM

I have the motor out of the bay.... there are two pulleys on the crank... do you set the first and thats TDC and do you just have to make sure you dont move it after you put on the othe r pulley? need to make sure its right

jouniu Nov 9, 2009 09:12 PM


Originally Posted by xcelr8 (Post 7699845)
com'on. someone knows the answer!

-take a ~20cm stick
-remove spark plug
-put stick to cylinder
-rotate engine so that you see when the stick is out most.
-rotate forward so that stick drop ~1 inch, mark that place
-rotate backwards so that stick has dropped excatly same level and mark
-TDC is in the middle of those two points


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