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I have an E6-350...none of the documentation leads me to know whether I have a 2 valve or 4...is there a way to figure it out?

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what year is it?

1989

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I believe the valve covers on all four valves have an angled top and are aluminum? , while two valve valve covers kind of resemble that of a small block Chevy and are steel. Also, the injector lines on a two valve go up and over the engine between the valve covers to the injectors in the left side of the head, while on a four valve the injectors are on the same side of the engine as the pump. Somebody correct me if I'm wrong.

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I believe the valve covers on all four valves have an angled top and are aluminum? , while two valve valve covers kind of resemble that of a small block Chevy and are steel. Also, the injector lines on a two valve go up and over the engine between the valve covers to the injectors in the left side of the head, while on a four valve the injectors are on the same side of the engine as the pump. Somebody correct me if I'm wrong.

I think your right about the valve covers not sure about injectors

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Yea. 2 valve injector can be seen at top of head where the lines connect to it. 4 valve just has the lines entering the side of the head on passenger side. 4v have sloped valve covers. 1989 would be 4 v unless it was pulled and a 2v was swapped in at some point.

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About 87 they went to 4 valve. The rocker covers are a bit like an E9 excepting for three cylinders instead of two

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In addition to what the others said, if it has chassis mounted charge air cooler, it is 4V, if it doesn't, it's 2V. There may be rare exceptions, like the 1000 series (forerunner of E9) V8. That also was the beginning of the Econodyne (4V & CMCAC) designation.

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Everything above is true for shue.

So you hefinitely have E6-350 4v under the hood.

As under mine hood also :)

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Mack was in the process of converting from 2V to 4V around 1986. Most likely your E6 is a 4V. Post a pic of the engine.

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Looks like a 4 Valve to me!!

post-6773-0-19955400-1358601947_thumb.jp

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Vlad your English is getting better and better. :twothumbsup:

Thank you for kind words!

Although I'm still in doubt about it.

I see I misstyped one letter.

But I know I don't have any valves under MY hood :)

Or maybe I needed to wright "mine's"?

Leslie, there are all 24 valves.

I have a pair of spare heads removed :rolleyes:

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Hi Vlad, i thimk in the context that you wrote it would be "my" also needed to "write", doubt if I ever could learn Russian, you are doing very well.....Paul

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Thank you Paul, I think you don't need to learn Russian, English is going to be global. Nobody can learn everything in this world, we have to choose what we like or what we need mostly.

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Looks like a 4 Valve to me!!

attachicon.gifRW613_0131.JPG

Leslie

It's a four valve, aluminum valve covers. injectors are internal (under the the valve covers), injection lines go into the head on R.H. side above exhaust manifold.

Ron

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4 valve,now that i've seen the picture i'm 99% sure!..............................Mark

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