Flat Plane Engine Vibration?

[DaveH]

Yep, should've kept it, I got offered $50k more than I paid for it just this month as a cash buy from a dealer!

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[_M_]

Man I guess my sensory detectors need turned up because I don't feel any of what others are saying at all. Maybe a bit in the shifter but nothing beyond that. Maybe my focus is just else where.

I'll test again. Then again and again

 

[2015R]

Hey, you have to drive it to feel vibration.

 

[Hack]

With the Voodoo engine this is not exactly true. It would be true if we were talking about a Ferrari FPC. A typical inline-4 cylinder is arranged Up-Down-Down-Up, with a FPC V8 being Up-Down-Down-Up-Down-Down-Up.

The Voodoo is arranged Up-Down-Up-Down-Up-Down-Up-Down.

Right - similar. Note I didn't say identical.

It'd be more comparable if you were talking about a straight-8. But being arranged into a V creates forces on two planes instead of one, which would lead to more vibration.

Still pretty much like two 4 cylinders attached together. Having more mass and a V arrangement actually stiffens the assembly and helps to quell vibration compared to a straight arrangement.

 

[Voodooo]

My 8 second fox body had a driveshaft weight come off once while doing a pass, that made more vibrations then my shelby at wot. It's nothing to worry about. It's not like a riding lawnmower or a 4 seat prop airplane. My transit connect work van vibrates more at idle and wot then the shelby. And I'm wot all the time in the transit. It's got a 1600 pound payload and I have that in it to the max. All my tools, air compressor, 2 snap on tool boxes, scan tools, supplies, etc. no worries.

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