Why Did My Z, Keep Revving? Video.

spearfish25

My experience with SRM is that it pre-blips and then does another final blip when you engage the gear, depending on where you are shifting. I think of the gates not only as individuals for each gear, but also based on pairs of gears with respect to the three neutral positions (between 1/2, 3/4, and 5/6).

Here:

1 3 5
|-|-|
2 4 6

If you're in 6 and go to neutral but keep the shift knob to the far right without passing into the middle neutral gate, you'll get a 5th gear blip. If you instead go from 6th to 'full' neutral between 3rd and 4th gears, you'll get a 4th gear blip as you pass from far right neutral into the middle neutral zone. If your next move is to 3rd gear, you'll get a second blip for the 3rd gear RPM. So, in my experience SRM looks not only at individual gear selection but also which neutral gate you're passing through. Passing a neutral gate gets a blip for the highest gear (2nd or 4th) that you can enter from that neutral position. To get a blip for the lower gear in that position, you have to commit to that gear (1st, 3rd, or 5th).

An attempt to answer the mystery of how SRM determines to blip or not blip from 4-3 vs 4-5. More conjecture along the three neutral zone gate theory: If you're in 4th, SRM may look for the 3rd gate to trip before blipping. So a shift from 4-5 won't blip as you never commit to 3rd. It seems SRM will blip under one of two conditions. Condition #1: a shift to a lower gear that crosses from one neutral gate to the next (neutral between 5/6 to between 3/4) which gets a blip for the highest gear of the neutral gate you are entering. Condition #2: a shift from a neutral gate INTO the lower gear of the neutral gate pair (5/6 neutral up into 5, 3/4 N up into 3, or 1/2 N up into 1).

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2013 Cadillac V-Wagon, RIP Z