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*Zkast* · 10-23-2002, 08:23 AM

If everything has been checked for leaks, your next step is to find out why vacuum is not being generated!

You say he checked the timing? Was it off and if yes, how much was it off. I"ve seen timing chains jump 1 or 2 teeth which causes late valve timing. This results in very low vacuum readings.
If the timing was more than 10 degree's off and no one has touched it in a while... this could be where your headed.
Also do a compression check, lets see what psi your running in the cylinders.

10-23-2002, 08:23 AM	#6
Zkast Account Suspended Join Date: May 2002 Location: Olathe, Kansas Posts: 929	If everything has been checked for leaks, your next step is to find out why vacuum is not being generated! You say he checked the timing? Was it off and if yes, how much was it off. I"ve seen timing chains jump 1 or 2 teeth which causes late valve timing. This results in very low vacuum readings. If the timing was more than 10 degree's off and no one has touched it in a while... this could be where your headed. Also do a compression check, lets see what psi your running in the cylinders.