You might try a crowfoot wrench on your torque wrench and use the low
end of the spec. The running weak and backfiring sounds more like
timing probs or maybe a couple of plug wires are crossed.
Cheers,
CR
Steve Gorr wrote:
> I replaced a cracked head on the 78 B over the winter. And I'd like to know
> how one applies the proper torque to the middle 2 nuts on a ZS combo
> intake/exhaust manifold. There doesn't seem to be a way to get a socket on
> them so I've just used a box end. I fear I may have a vacuum leak since when
> it did start it ran weak with backfires through the carb.
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