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for fun... Lets look at the differences we know about the M133, and the LTG
Bore / Stroke
LTG= 86mm / 86mm
M133 = 83mm / 92mm
Could the longer stroke have something to do with the sound?
Compression ratio
LTG = 9.5:1
M133 = 8.6:1
Max engine speed:
LTG = 7000
M133 = 6700
Both have a twin scroll turbo, the M133 sees about 26psi of boost stock, the LTG typically 18-20
the amg his a similar looking suitcase muffler to the Camaro and ATS, but it's about 50% smaller looking. The exhaust has some sort of magical flap that varies in position with throttle position and engine load (*cough* variable back pressure down pipe sound familiar? *cough*)... Looks to have just a single 12" or so bullet resonator under about the drivers seat.
Can't find anything that tells me the firing order, to see if its any different, cam specs or anything else... I read an article that says it cuts injection and ignition during hard upshifts to give it that sound.
Great sound! Would be nice.
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