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350 chevy timing with .486 Lift cam. does it need to be advanced

860 views 6 replies 5 participants last post by  johnsongrass1  
#1 ·
Ive recently been building a 350 for my 76 longbed and i had put new cam bearings, cam, springs, and lifters for the block.

when it came for setting the cam gear and the crank gear i had matched dot to dot, without changing the the crank gear to advanced.

when i started breaking the motor in it ran great, steady idle, and would rev up openly. but when i scanned the motor with my timing gun it said i was almost 180 degrees out. you would think it wouldnt run even run at all with the timing like that, which had me confused.

i had checked my distributor for any shaved fins on it or if it was fuctioning properly but it was working fine. i know for sure its not spark timing so, it would only leave it to the crank and cam.

also the balcencer is not bent nor the key was shaved inside the crank

if anyone knows if i should set the crank gear to advanced and to know how many tooths i should move it to?

im 16 years old and im not an expert for stuff like this, but im trying to learn, but im very confused and stuck at the moment
 
Discussion starter · #3 ·
okay thanks i really hope that the issue, but would you ever have to switch it to advanced timing the bigger the cam is? ive just always thought that was the procces depending on the lobe size.

but thank you again ill let you know for any other issues (y)