Quote:
Originally Posted by Tahoe_Hybrid
engine braking is transmission is related...
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I was pretty sure that was a given.
Also every vehicle is different. The 1996 Buick LeSabre I had for a short time felt like it was going into neutral every time I let off the gas pedal even at 65mph unless I downshifted. My 1985 VW Golf diesel felt like I was hitting the brakes if I let off the accelerator pedal at 40mph in top gear. I rarely ever used the actual brakes in that car.
But in the end, if you're in gear, RPM's above idle and the engine is taking in fuel, timing WILL affect engine braking. If you have a way of controlling the timing yourself (like with a distributor) and you advance the timing at idle, idle speed will increase. It's kind of hard to engine brake if your engine wants to idle at a high speed.