3.29s or 3.69s?
That's what I'm going for. The car will be on a tire when it counts anyway so traction isn't *that* big of a deal I guess. Dave at TEP said that I would be in the power band in 3rd going through the traps with the 3.69s. In the back of my mind, I'm still afraid it would hurt traction too bad though.
3.29s vs Last summer Mike got a 3.29 setup when he installed his new transmission. He said that his first gear was almost useless. I also went with 3.29s when I got my transmission last summer. TEP did the install and made some small changes with shift points. I really liked the feel of the car with the 3.29s. Now that I have added my other mods I have to be really careful with the throttle in first gear. When Ross was doing his transmission work he decided to stay with his original gearing, you will have to ask him why. If the weather is good this Sat or Sun I will get a video of my car accelerating and send it to you, car still not tuned.
That's what I'm going for. The car will be on a tire when it counts anyway so traction isn't *that* big of a deal I guess. Dave at TEP said that I would be in the power band in 3rd going through the traps with the 3.69s. In the back of my mind, I'm still afraid it would hurt traction too bad though.
If you're going to spend some money on a transmission might I suggest you wait a bit?
I'm moving forward with this come January.
Last summer Mike got a 3.29 setup when he installed his new transmission. He said that his first gear was almost useless. I also went with 3.29s when I got my transmission last summer. TEP did the install and made some small changes with shift points. I really liked the feel of the car with the 3.29s. Now that I have added my other mods I have to be really careful with the throttle in first gear. When Ross was doing his transmission work he decided to stay with his original gearing, you will have to ask him why. If the weather is good this Sat or Sun I will get a video of my car accelerating and send it to you, car still not tuned.
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Verdad Gallardo My plan was to do the transmission first and then do a relatively radical (for an LS4) camshaft shortly after. I wanted a steep final drive to match the characteristics of a higher duration camshaft. Would a 10" wide wrinkle wall tire really have that bad of traction on the car? It seems like that would really calm it down a lot.
That's not correct. 4 wheel drive guys use a steeper (higher numbered) gear ratio to further multiply their torque output to offset the larger tires which in effect decrease their final drive ratio.
My plan was to do the transmission first and then do a relatively radical (for an LS4) camshaft shortly after. I wanted a steep final drive to match the characteristics of a higher duration camshaft. Would a 10" wide wrinkle wall tire really have that bad of traction on the car? It seems like that would really calm it down a lot.
the 3.69's would probably be better suited on slicks, but the 99.9% of the time that it's not on slicks is the trade-off. It would be nice to see one of the LS4 cars hit mid low 12's on *****.
I think with a good gear and traction I wouldn't have an issue doing that the way I sit now.
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Joined: Nov 2010
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From: bear,delaware
I really hate to bust your stones on this one but its true read a stock 4x4 owners manual it says to use 4wheel low in the tranfer case for slick condition or when you need traction like ice its not just for big tires so a higher number is a lower ratio take the mustang guys for example the go from a 2.73 to a 3.73 or 4.10 you never see them post oh change the gear and now i just cant hook at all i vote 3.69 because i wish i could do the same
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From: Almost Arkansas, LA
I really hate to bust your stones on this one but its true read a stock 4x4 owners manual it says to use 4wheel low in the tranfer case for slick condition or when you need traction like ice its not just for big tires so a higher number is a lower ratio take the mustang guys for example the go from a 2.73 to a 3.73 or 4.10 you never see them post oh change the gear and now i just cant hook at all i vote 3.69 because i wish i could do the same
