How Many Over-Revs are too many?
#3
Type 1 is hitting the rev-limiter on the way up -shouldn't be a big deal. Type 2 is exceeding the rev-limit red-line e.g. if you go from 3-2 instead of 3-4 - this is more problematic. That said I've known several people who are very careful with their cars and still show type 2s so there might be a little more going on with the type 2s than I know about. For a 5-10 year old car, I personally wouldn't worry about a few thousand Type 1s. As for Type 2s, lower is better.
#4
I would rather buy a car that was not down shifted a lot. This type of driving puts a lot of strain on both the engine and tranny. When I come to a stop I just put the car in neutral and brake. I never down shift through the gears. Type 2's may be an indication that the car has been tracked.
#5
Type 1 is hitting the rev-limiter on the way up -shouldn't be a big deal. Type 2 is exceeding the rev-limit red-line e.g. if you go from 3-2 instead of 3-4 - this is more problematic. That said I've known several people who are very careful with their cars and still show type 2s so there might be a little more going on with the type 2s than I know about. For a 5-10 year old car, I personally wouldn't worry about a few thousand Type 1s. As for Type 2s, lower is better.
#7
Makes me feel better, I tend to smak the limiter on the 1-2 unless I'm very sharp or shift a bit early
Don't hit type2s as I don't wind it that hard for a downshift, even when driving hard.
thanks for the info
Don't hit type2s as I don't wind it that hard for a downshift, even when driving hard.
thanks for the info
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#8
I can tell you with certainty that you can log a type ii without missing a downshift. The other night I went for a spirited drive that had a couple redline shifts. I never detected the rev limiter kick in. When I got back, just for giggles I hooked up my durametric and it had a small number of revolutions recorded in the typ II range. Go figure. I wonder if it has anything to do with the fact that I'm on a pretty old flywheel. Just thought I'd share my experience.
#9
I can tell you with certainty that you can log a type ii without missing a downshift. The other night I went for a spirited drive that had a couple redline shifts. I never detected the rev limiter kick in. When I got back, just for giggles I hooked up my durametric and it had a small number of revolutions recorded in the typ II range. Go figure. I wonder if it has anything to do with the fact that I'm on a pretty old flywheel. Just thought I'd share my experience.
#11
If the rev limiter was raised when it was reprogrammed and the driver goes beyond the normal rev limiter (6750), No.
#13
Only 18? not bad at all considering at 2000rpm each cylinder fires about 5 times a second. if it were in the thousands on stage 2 or higher maybe there might be area for concern.
#15
nor have I (I would never do that). My only point is that my rev limit is stock, and I've logged type II's simply by accelerating aggressively.