help with cams

[lost93]

I changed my head gasket out and timing chain and now it will not start. i think the cams got mixed up but how would i know for sure if not i think i got the chains on wrong? Help!!!!!!!!!

[NISTECH]

why do you think its wrong? other then the fact it wont start

[lost93]

back firing through the intake but i started to take in apart and when i had the valve cover off i noticed that the cams shafts on the jim wolf web site where in a diffrent order then mine ihave the yellow one on the right does this matter at all thats just a last chance before i go and start taking it apart

[NISTECH]

they should be marked with an I and an E somewhere on the shaft. also one can has a sensor wheel at the rear located on the intake shaft. the wheel may or may not be on the shaft. i am going from memory on a transverse mounted altima ka24de. I am struggling to visualize the inside of the vavle cover on a 240 but i believe they used the same shafts.

[lost93]

if that is true then they are wrong cause the one on the right side has an i stamped on it . my friend help me put this together he is ASE certified but has bet working on airplanes with me for about a year and may have put it in wrong. will any thing get messed up by switching them around ? if ot is not his then i am stuck tearing back apart .can not wait to do that ha ha. thanks for the help

[charlotte240]

yeah, there could be very bad consequences to installing the cams wrong. You could bend the valves...........assuming it is an interference valvetrain design.

so I guess the question is "Is it an interference design?"