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timing chain replacement problems

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waxandgo
New User

Mar 22, 2009, 7:02 AM

Post #1 of 3 (1922 views)
post icon timing chain replacement problems Sign In
1984 Pontiac, trans am 305 stock v-8, 184K miles.
I am replacing the timing chain and gears. took out the old and after lining up the marks on the gears. went to replace the gears and when they were not exact my son turned the crank several times and now my question. How can find where the cam is in relationship to the crank before i put this back together?


Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Mar 22, 2009, 9:20 AM

Post #2 of 3 (1919 views)
Re: timing chain replacement problems Sign In
The cam gear and the crank gear will each have a 'dot'. The cam gear dot should be exactly at 6:00, the crank gear dot exactly at 12:00.
Loren
SW Washington


Guest
Anonymous Poster

Mar 22, 2009, 9:29 AM

Post #3 of 3 (1918 views)
Re: timing chain replacement problems Sign In
I have both alignment markers there however, the number one piston is not at the top and the rotor on the distributor is not on the number one spark plug wire. how much of this does not matter?


In Reply To
1984 Pontiac, trans am 305 stock v-8, 184K miles.
I am replacing the timing chain and gears. took out the old and after lining up the marks on the gears. went to replace the gears and when they were not exact my son turned the crank several times and now my question. How can find where the cam is in relationship to the crank before i put this back together?
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