two different heads on 440

[TRAMO]

Just discovered today my 440 has two different heads on it.drivers side is 3769975 pass side is 4006452.does this present a problem?

 

[IQ52]

None what-so-ever.

 

[Northwest]

It is rare, but the variable harmonics created by the uneven flow characteristics could cause a dispersion among the valve pulse wave forms in the intake plenum. This could cause a significant ambient disruption in the temporal vicinity at higher rates of speed.

If my calculations are correct....

http://www.youtube.com/watch?v=2Byz7eU8jF0


ink banana:

 

[TRAMO]

Thats what i was afraid of! Lol