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Old 09-22-2010, 07:16 AM
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cam shaft installation question!!!!!!

ok so i bought the whole set up to install all new components in my motor. this is my first camshaft job so i need a little help. heres the deal last night i broke the motor down and removed the camshaft, but in that process i heard you were suppose to rotate the crank to 12 oclock. i didnt rotate it at all nor did i marke were the camshaft came out. what would be the best way to install the cam back in. can i rotate the crank were the dot is at 12 and install the cam at 12 or do i need to do 6 and 12. little help learning as im going. thanks

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Old 09-22-2010, 08:10 AM
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Quote:
Originally Posted by c_cham
ok so i bought the whole set up to install all new components in my motor. this is my first camshaft job so i need a little help. heres the deal last night i broke the motor down and removed the camshaft, but in that process i heard you were suppose to rotate the crank to 12 oclock. i didnt rotate it at all nor did i marke were the camshaft came out. what would be the best way to install the cam back in. can i rotate the crank were the dot is at 12 and install the cam at 12 or do i need to do 6 and 12. little help learning as im going. thanks
Just turn the cam so the cam gear's dot is at 6 o'clock and turn the crank till the dot on that gear is at 12 o'clock and install the chain and top cam gear aligned this way. Turn the engine over by hand to check that the dots are aligned.

The way the timing set is made, cylinder #6 is at TDC firing, w/the dots as close to one another as they can get (cam gear @ 6, crank gear @ 12). One additional revolution of the crank puts #1 cylinder at TDC firing.
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Old 09-22-2010, 08:18 AM
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Quote:
Originally Posted by c_cham
ok so i bought the whole set up to install all new components in my motor. this is my first camshaft job so i need a little help. heres the deal last night i broke the motor down and removed the camshaft, but in that process i heard you were suppose to rotate the crank to 12 oclock. i didnt rotate it at all nor did i marke were the camshaft came out. what would be the best way to install the cam back in. can i rotate the crank were the dot is at 12 and install the cam at 12 or do i need to do 6 and 12. little help learning as im going. thanks
Rotate crank to put crank gear dot at 12 o'clock. Install cam with cam gear dot at 6 o'clock(dot to dot) as it is easiest at this position to assure correct orientation(cam/crank timing) if you are not using a degree wheel to degree cam. With the timing chain now installed, you can rotate engine as needed to set the valvetrain, then finish rotating so crank is 12 o'clock and cam is also 12 o'clock. Now you are at #1 firing, you can now install distributor(after the intake is installed, of course) with rotor pointed at #1 post on the distributor cap. With everything else buttoned up, you are now ready to run it.
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Old 09-22-2010, 10:28 AM
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With everything else buttoned up, you are now ready to run it.[/QUOTE]
With everything else buttoned up, you are now ready to follow proceedure for breaking in cam.
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