Earliest LS6/M22 production date?

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**1972convss454** · #1 08-31-2021, 09:59 PM

I'm no expert but it is my understanding the M22 was the hold up on the LS6 to begin with. Rick or Chris I know can shed some light on the subject.

**GotGrunt** · #2 08-31-2021, 10:11 PM

Quote:

Originally Posted by 1972convss454

I'm no expert but it is my understanding the M22 was the hold up on the LS6 to begin with. Rick or Chris I know can shed some light on the subject.

Yes, the fine spline M22 was designed for the 1970 454 Chevelles and their delay was the reason for the very early LS5/6 cars all being TH400.