Clutch replacement $10,000??
KF,
I realize that was your point, but there is a significant difference between 90 mph and 80 mph at a given rpm. Saying 3500 rpm gives 80 exaggerates your point about short gearing, and I'm guessing that exaggeration was not your intention.
Many performance cars are geared shorter than we might expect. I'm sure this isn't news, but high-reving engines are generally geared shorter than low-revving engines, and most (not all) sports and exotic cars are geared to reach maximum speed in top gear. The V8V gets very close to max revs -- and peak hp -- at max speed in 6th gear. Similarly, the Ferrari 458, which revs to 9000, is geared almost the same in top (7th) as the V8V, but with 570hp, it also will just about reach max revs at top speed.
I realize that was your point, but there is a significant difference between 90 mph and 80 mph at a given rpm. Saying 3500 rpm gives 80 exaggerates your point about short gearing, and I'm guessing that exaggeration was not your intention.
Many performance cars are geared shorter than we might expect. I'm sure this isn't news, but high-reving engines are generally geared shorter than low-revving engines, and most (not all) sports and exotic cars are geared to reach maximum speed in top gear. The V8V gets very close to max revs -- and peak hp -- at max speed in 6th gear. Similarly, the Ferrari 458, which revs to 9000, is geared almost the same in top (7th) as the V8V, but with 570hp, it also will just about reach max revs at top speed.
Its not due to the gearing, its due to the grabby clutch. it doesn't want to slip. high force pressure plate and a grabby, soft clutch disc is the problem. And yes, a grabby clutch problem can mitigated by a much lower gearing, but at 9.3:1, our reverse is as low and even lower than most manual cars out there.
It's also the only car I've driven where you have to let the clutch engage Before you press on throttle, makes for challenges on stops at hills.
1st 12.6
2nd 7.7
R 9.4
Well, not even remotely is a little harsh, but I will admit it is a little closer to 2nd than it is 1st . However, I do admit it makes no sense to not have a lower reverse gear, but it shouldn't be an issue, due to the fact that 9.3:1 is a normal first for a lot of cars.
2nd 7.7
R 9.4
Well, not even remotely is a little harsh, but I will admit it is a little closer to 2nd than it is 1st . However, I do admit it makes no sense to not have a lower reverse gear, but it shouldn't be an issue, due to the fact that 9.3:1 is a normal first for a lot of cars.
Closer? Well let's see. If Reverse we're half-way between the First and 2nd it would be at 10.1. The differences between 9.4, 10.1 (half-way) and 7.7 puts it significantly closer to 2nd gear. Even a 10.1 ratio would make Reverse a lot easier to work with.
Actually, the worst part of the car is probably the transmission. 1st gear is a little too low, reverse is too high and 6th gear is too low (3000 RM at 80MPH is way tooooo low, 6th should be an "overdrive gear"). My Audi cruises at 85MPH at 2,000 RPM. However, with that said, my favorite gear in the Aston for passing is 3rd--I can go from 45mph (3200RPM) to 100MPH (7100RPM) in 3rd without shifting.
Actually, the worst part of the car is probably the transmission. 1st gear is a little too low, reverse is too high and 6th gear is too low (3000 RM at 80MPH is way tooooo low, 6th should be an "overdrive gear"). My Audi cruises at 85MPH at 2,000 RPM. However, with that said, my favorite gear in the Aston for passing is 3rd--I can go from 45mph (3200RPM) to 100MPH (7100RPM) in 3rd without shifting.
You're right but most times I go over 70 when passing. So when I'm on a two lane road getting ready to pass, maybe 2-3 cars, I just go down into 3rd to get ready (easier than 2nd and getting the RPMs up to 4,500-5,000) then just punch it and hold on.
You may have noticed that in 2nd--RPM is directly related to Speed--30mph is 3,000 RPM and 60 MPH is 6,000 RPM.
You may have noticed that in 2nd--RPM is directly related to Speed--30mph is 3,000 RPM and 60 MPH is 6,000 RPM.
So the primary complaint I have is with Reverse--ratio should be closer to 1st, and 6th where you are running 3,000 RPM at 80MPH. Of course if you moved 6th gear up, then 4th and 5th would have to be adjusted up as well--but that's OK.
I'm with you. Other than the tall reverse, I think the ratios are very well chosen. Mine is a 4.7, and the gearing is the same as the 4.3 cars. The ratios are fairly close to each other, and the not-too-tall 6th gives excellent response and passing power at normal highway speeds. Perhaps some 4.7 owners would want a taller 6th given the greater low- and mid-range torque of the engine.






It sounds glorious when you go over 6,000 RPM in 4th.