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Old 04-07-2010, 03:58 PM   #1 (permalink)
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Default cam placement and timing

o.k. frist of all i want to say i feel like a dummy,i forgot to take pics of the cams,before i took them out.

i need help..i dont know what cam go where,and on one of the cams it has two timing marks,so i dont know which one to use....please help
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Old 04-08-2010, 11:05 AM   #2 (permalink)
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Do you still have the timing gears attached to the cams as they were when you took them out?
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Old 04-17-2010, 08:18 AM   #3 (permalink)
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Do you still have the timing gears attached to the cams as they were when you took them out?
yes the cam gears are still on the cams.......on one cam gear ,it has one marking,and the other one has two markings ,and says both exhust and intake on the cam gear.

i already got the head on the car,im just stuck on this prob,please comment..
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Old 04-18-2010, 01:29 PM   #4 (permalink)
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The cam that has both markings should have a solid metal chunk/block thing built into the cam gear that is for the cam sensor on the exhaust cam. The other one should only say intake on it, that is for the intake. Line up the intake cam with the "intake" marking pointing up, and the exhaust cam with the "exhaust" marking pointing up. There are actually little arrows on the valvecover to line up the markings.
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Old 04-18-2010, 07:01 PM   #5 (permalink)
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The cam that has both markings should have a solid metal chunk/block thing built into the cam gear that is for the cam sensor on the exhaust cam. The other one should only say intake on it, that is for the intake. Line up the intake cam with the "intake" marking pointing up, and the exhaust cam with the "exhaust" marking pointing up. There are actually little arrows on the valvecover to line up the markings.
i just want to say thank you.....that explained alot....
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Old 04-19-2010, 09:19 PM   #6 (permalink)
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You are welcome.... glad it helped
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Old 04-24-2010, 05:38 PM   #7 (permalink)
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You are welcome.... glad it helped
i went out of town, leaving the job to my brother, came back today.....he put the cams backwords.....there are some bent valves for sure....lol

i got one more question??? on ebay theres a long bock 2.0 out of a auto reno....can i still use it on a stick reno??? or is there something different about the bolt patteren??

i want to buy it,heres the link
2006 RENO ENGINE ASSEMBLY : eBay Motors (item 350224686864 end time May-06-10 13:04:09 PDT)
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Old 04-25-2010, 10:01 PM   #8 (permalink)
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i went out of town, leaving the job to my brother, came back today.....he put the cams backwords.....there are some bent valves for sure....lol

i got one more question??? on ebay theres a long bock 2.0 out of a auto reno....can i still use it on a stick reno??? or is there something different about the bolt patteren??

i want to buy it,heres the link
2006 RENO ENGINE ASSEMBLY : eBay Motors (item 350224686864 end time May-06-10 13:04:09 PDT)
he put them in backwards how ? Like switched the intake for the exhaust? Didn't line them up correctly?

Yes that motor will work, no difference between the auto and manual.
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Old 04-26-2010, 07:32 PM   #9 (permalink)
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he put them in backwards how ? Like switched the intake for the exhaust? Didn't line them up correctly?

Yes that motor will work, no difference between the auto and manual.
i just took off the cover for the timimg belt...everything is in timing......but he put the cams backwards ..the exhust on the intake so forth.....so i put the cams on right..tdc the #1 and set the cams on the marks.....

the car starts but sounds like crap....i can drive it..but once you take your foot off the gas it dies...starts right up...but dies if with out pushing the gas........so i think its the valves....

open for remarks
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Old 04-28-2010, 10:28 AM   #10 (permalink)
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The situation you have now sounds like the cam timing might be off a little bit. When I first put my cams back in, I didn't quite get the cams lined up properly and the exhaust was off by 1-2 teeth. This caused the car to "run like crap" and it wanted to stall out very easily, lacked power, had low vacuum, and had alot of backfiring in the exhaust when diriving due to the exhaust valves opening too early. So this might be your issue as well... double check the cam timing and whenever you change it, make sure to rotate the motor over a few times by hand (using the bolt on the crank pulley) to see if everything stays lined up.

If that doesn't work, you may have indeed toasted some valves.....

I'm really not sure how your brother mixed them up considering one of the cams has intake marking only on it, so how would it make sense to put that one on the exhaust, and then put the exhaust cam on the intake and line it up with the intake markings? How can a motor have two intake cams and no exhaust? lol
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Last edited by exist3nce; 04-28-2010 at 10:32 AM.
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