On Aug 28, 2011, at 11:37 AM, C Snyder wrote:

> 
> About 5 or 6,000 miles ago, I had new heads and valves installed on my 1987 2-wd van. Recently, I have noticed a slight clatter (like tat,tat,tat) while driving at normal city speeds. I am guessing the new valves and or tappets just need to be readjusted.
> Am I correct on this asumsertion? Is it expensive as far as the labor goes? the place I go to charges right at $59.00 per hour.

First of all, that hourly rate is 3rd World Country...... VERY low.
I'd take the van/engine back to the shop that did the head rebuild. To few miles to be having the kind of noise you are, to be "normal". Wondering if you are in fact having lifter problems, which would sound the same
as you are describing.

bob