Re: '86 Ford 302/5.0L HO 50 oz balance
Not that I'm by any means an expert, but I would think only one.
"ironradio" <email@example.com> wrote in message
> Does an '86 50 oz externally balanced Ford 302/5.0L engine need a 50 oz
> imbalanced flywheel AND a 50 oz imbalanced harmonic balancer?
> The reason I'm asking is the following. When I bought the vehicle
> containing the subject engine, there was a lot of engine vibration. I
> looked and the outer ring on the harmonic balancer was cocked so I
> started to do research and found that the balancer for an '86 5.0L
> should be a 50 oz model. So I got one and put it on, finding the old
> one was a 28 oz model. Doing so smoothed the engine out quite a bit.
> Later for other reasons, I replaced the flywheel (which I found was
> also a 28 oz model) with a 50 oz model. After this, the engine
> vibration came back.
> So what's the deal? should both the balancer AND flywheel have a 50 oz
> imbalance on an '86 5.0L or only one?
> Thanks! Dave