Thread: Quick SBC timing questions
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03-31-2004 07:40 PM #1
Quick SBC timing questions
Hi, im going through my first SBC v8, its a 84 305 chevy
Q1, I installed a new timing chain (i lined the dot pointing toward each other) and now im having trouble find TDC on #1. Is 1 at TDC when both dots point up?
Q2, I purchased a chrome timing cover and the stocker has the timing tab welded directly above the crank...the chrome one takes a bolt on one the mount to the driver side....now with the harmonic balancer is at TDC the groove will nolonger point at 0 cause the tab as been moved over...Do i need a different harmonic balancer? I was reading that there are a 7.25 and a 8" one for SBC im guessing i have the 7.25 inch
Q3 When instaling the distibutor i can only get is to fo in fully at 2 positions .. when at TDC (i think,dots point up) the dist. goes in with the rotor point in fron a little to the drivers side or 180 from that... so i looked in a manual and saw that where it points is fire for #1 am i right?Last edited by the lowrider; 03-31-2004 at 07:42 PM.
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03-31-2004 08:02 PM #2
NO.1 Yes both up is TDC no.1
.2 You need a different timing tab.
.3 look down in the distrib hole with a light, you will see a slot on the end of the oil pump drive. This goes up into the distrib gear, it only will fit two ways. Take a Loong screwdriver and reach down and turn the oil pump slot. Keep turning it (trial and error) till you can get the distrib to go all the way down with the rotor pointing where you want it.
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04-01-2004 02:45 PM #3
im still argueing with people about TDC and the dots on the timing gear
what position are the dots of the timing gears at tdc
Great to see your new post, Mike, and great to see CHR up and running again after several days of the Hmmm, can't reach this page.... Also good that you found an easy solution to your storage/access...
1968 Plymouth Valiant 1st Gen HEMI