Jeff wrote:
........ You might end up with short-shifts ........
This is an indication, that, he knows little about your combo. If so, how would he know what final drive ratio is best for your application?
Jeff wrote:
........ This can be fixed by using an adjustable vacuum modulator ........
I wonder what the actual range of adjustment is, in this case.
Jeff wrote:
........ The "3.42" is a perfect combination of performance and mileage ........
Aside from it being a sales pitch, is there anything wrong with the statement?
3.4 is a big jump from 2.7. Did he know your intended use?
Jeff wrote:
........ Your overall ratio with the 4th gear overdrive ratio of .70:1 will still be a very low 2.39:1 (you currently have an abyssmal 1.91:1!!!!
1.9 and 2.4 are high gears, not low. Other than that, it sounds like, he knows what he is talking about.
Brando wrote:
........ My other option is 3.06 ........
Pros and cons will vary, depending on your tire diameter, intended use, and at what RPM your engine is happiest.
Brando wrote:
........ I'm not sure what accelerate88 was referring to ........
I assumed, his statements were based on a high performance combo with a first gear that's too low. There's no way that could apply to you. He refused to respond to my requests for clarification, so we will never know what he meant.
I put him in the same class, as anyone else who makes recommendations without knowing any of the factors involved. Isn't that a diplomatic way of saying, he doesn't have a clue?
Brando wrote:
........ it's not going to change highway driving much, thanks to overdrive ........
The 3.1 could improve your MPG.
Brando wrote:
........ Any opinions? ........
88 Coupe wrote:
Process of ratio selection for a particular app is fairly easy. Hardest part is defining your intended use, and in your case, estimating the possible loss in fuel mileage and the higher interior noise levels.
Of course you can flip a coin. 50% chance you'd pick the right one. Upside is, you might never know if the other was the better choice.
If the 3.4 proved to be too low, you could compensate by using a taller tire. Works for a rear drive.
Brando wrote:
........ They also happen to have a Limited Slip Differential.
Other than driving during your Michigan winters, do you plan on having a traction problem?
Norm
_________________
Harry S. Truman wrote:
When you have an efficient government, you have a dictatorship.