timing chain problem follow-up - Car Troubleshooting


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timing chain problem follow-up

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Guest
Anonymous Poster
waxandgo2004@yahoo.com

Mar 22, 2009, 12:37 PM

Post #1 of 4 (1205 views)

timing chain problem follow-up	Sign In

For my 1984 trans am 305. 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?

Loren Champlain Sr
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Loren Champlain Sr profile image

Mar 22, 2009, 3:15 PM

Post #2 of 4 (1200 views)

Re: timing chain problem follow-up	Sign In

Actually, the rotor will be pointing to #6 on the cap when you have the gears lined up. 180 degrees from TDC.
Loren
SW Washington

way2old
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way2old profile image

Mar 22, 2009, 3:25 PM

Post #3 of 4 (1199 views)

Re: timing chain problem follow-up	Sign In

As Loren stated. The rotor should point to number 6 on the cap. The alignment dots should be placed at 12 o'clock on the crank gear and 6 o'clock on the cam gear with number 1 cylinder at top dead center. In other words, place number 1 cylinder at top dead center, line up the gears dot to dot and place the distreibutor at the number 6 poaition. Rotate engine one revolution and the dots should be top and top. If it is, rotor will be pointing at number 1.

Being way2old is why I need help from younger minds

DanD
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DanD profile image

Mar 23, 2009, 2:51 AM

Post #4 of 4 (1189 views)

Re: timing chain problem follow-up	Sign In

With you saying

Quote

however, the number one piston is not at the top

Could it be that there are two marks on the crank gear; a triangle and a dot?
Some after market gears did have two marks; this was too degree the cam; for performance (super or turbo charging) applications.
Looking at the crank gear, the keyway should be at approx 11 o’clock.
If you’re still not sure; remove #1 plug and check TDC with the use of a screwdriver down the hole as you rotate the crank. Being careful; turning the crank slowly as to not get the screwdriver jammed.

A side note
This is not meant to belittle your knowledge but #1 is on the left (drivers) side.

Dan.

Canadian "EH"

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