ugly74
Bronco abuser
- Joined
- Apr 17, 2006
- Messages
- 2,847
I'm workin on a 351 cleveland ('71, 2v heads) I put together for my 74.
my specific question is:
what can cause the timing marks on the balancer to be off? in order to run, the initial timing needs to be so far advanced that when using a light, the marks can just barely be seen coming around the balancer on the left.
here's what I know for sure...
-TDC on the balancer is true TDC on the #1 piston.
-the timing gear marks are lined up perfectly.
-the valvetrain comes together with the correct preload (needed to shim under a couple of the fulcrums to reduce preload)
-compression is excellent, with practically zero variation between cylinders
so why does it need to be so freakin advanced to run?
please help...I'm about to yank this thing and reuse the 302 I had
my specific question is:
what can cause the timing marks on the balancer to be off? in order to run, the initial timing needs to be so far advanced that when using a light, the marks can just barely be seen coming around the balancer on the left.
here's what I know for sure...
-TDC on the balancer is true TDC on the #1 piston.
-the timing gear marks are lined up perfectly.
-the valvetrain comes together with the correct preload (needed to shim under a couple of the fulcrums to reduce preload)
-compression is excellent, with practically zero variation between cylinders
so why does it need to be so freakin advanced to run?
please help...I'm about to yank this thing and reuse the 302 I had