Who has upgraded their Final Drive
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Joined: Apr 2008
Posts: 1,420
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From: Daly City, CA
Actually my Mustang was a SOHC engine. Redline was 6000RPM. It was a very "importish" motor in the regard it had crap for torque under 2500RPM. If you were going to jump on it, you had to make sure you were at 3000RPM or higher in order for the car to pull. And it would pull hard to redline. It was not like a typical pushrod motor where all it's torque and power were down low. The 4.6L loves to rev and it pulls the hardest at the upper end of the RPM range. I used to hate letting off the gas to shift because the car was pulling so hard near redline.
I'm not trying to compare the motors at all. Wasn't the point of the post. I was just saying it was odd to me how high the car revved at cruising speed on the highway with a 5-spd auto. But then again, i wasn't worried about high RPM's either. I'm sure the car/motor was well engineered for it
I'm not trying to compare the motors at all. Wasn't the point of the post. I was just saying it was odd to me how high the car revved at cruising speed on the highway with a 5-spd auto. But then again, i wasn't worried about high RPM's either. I'm sure the car/motor was well engineered for it
Actually my Mustang was a SOHC engine. Redline was 6000RPM. It was a very "importish" motor in the regard it had crap for torque under 2500RPM. If you were going to jump on it, you had to make sure you were at 3000RPM or higher in order for the car to pull. And it would pull hard to redline. It was not like a typical pushrod motor where all it's torque and power were down low. The 4.6L loves to rev and it pulls the hardest at the upper end of the RPM range. I used to hate letting off the gas to shift because the car was pulling so hard near redline.
I'm not trying to compare the motors at all. Wasn't the point of the post. I was just saying it was odd to me how high the car revved at cruising speed on the highway with a 5-spd auto. But then again, i wasn't worried about high RPM's either. I'm sure the car/motor was well engineered for it
I'm not trying to compare the motors at all. Wasn't the point of the post. I was just saying it was odd to me how high the car revved at cruising speed on the highway with a 5-spd auto. But then again, i wasn't worried about high RPM's either. I'm sure the car/motor was well engineered for it
The engine in my Pontiac was a 3.8L V6, did not have the HP/TQ that the VQ has. The G would run nicely at 2K rpm. I'll bet it would get over of 25 mpg too. My Ponticrap got 30 mpg at 70 with the AC on.
To answer the OP's question, I have a 03.5 6mt sedan and I just got the 4.083 nissan gears installed and it is amazing. The only other set I was considering was the central 3.9. The difference between the two seemed to be very minimal through my reaserch. I was initially concerend about driveability and the potential combination of a vortech in the future. After beating on the gears for two days I can say they are awsome, worth every penny. Driveability is great and Im still waiting on an osiris reflash (they are currently developing me a rom for the early model sedans) wich will also bump the rev limiter for a little longer time in each gear..Dooet
I have not updated that list in a while.
I changed out mine for a 3.3vlsd out of an AT. It works well for high power boosted cars to help with traction. It also lowers your rpm at the same speed/gear on the freeway so mpg goes up a bit. I think my 6th gear 70mph went down ~700rpm.
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