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What have people been swapping in the 700/900 series as of late? As far as I know the Ford T5s dont fit right in the 700/900s and the CD009s are above what I want to spend
I believe the T5 S10/Camaro tailshaft on a mustang T5 is the go-to for 7/9s
3.35 first gear, no the V8s all had the shorter input. Read the tag for details on the overdrive gear. Also no, 3.31 is too tall.
What you describe would almost certainly bother me. Well-tuned ears. I vastly prefer smooth and quiet.[...] I hated the T5 in my 245. It whined in gear and rattled on overrun, even after a complete rebuild. If you don't mind a noisy transmission, they're fine. If that's something that might bother you, then stay away.
Also no, 3.31 [rear end] is too tall.
I worked on quite a few as a ford tech from 85 through 89, Then as a gm tech until 92, i think. They can definitely be good transmissions.Other than the nice, notchy shifts (from the Pro 5.0 shifter), I hated the T5 in my 245. It whined in gear and rattled on overrun, even after a complete rebuild. If you don't mind a noisy transmission, they're fine. If that's something that might bother you, then stay away.
Is there a chart or formula somewhere on the web for calculating the best transmission gear ratios for the engine power you have or are planning to have, your rear axle ratio, and carrying the weight you estimate your car to be? All I can find is stuff about rear axle gear ratios.
3.35 first gear still seems a bit low to me for a V-8 powered car unless you have a super high rear axle ratio - like in the 2.something area. My guess is a lot of car manufacturers used the really low first gears to accommodate drivers with various skills at driving stickshifts. It's easier to drive a car with a really low first without killing the engine when starting from a complete stop for inexperienced or unskilled drivers not used to operating a clutch.
Re 4 cylinder cars: My '77 Vega has a 4-speed in it with a 3.50 first gear and a fairly high rear gear such as a 3.08 which was a very common ration GM used the late '70's, even in the little H-bodies. I own another GM 4-speed with a 3.11 first gear that has the H-body torque tube tailshaft housing on it, so for all I know they might have been used as well in Vegas. Of course the difference between the Vega and the 240 is the Vega is quite a bit lighter and more streamlined in shape, so that could account for why GM could use those gear ratios even though the 2.3 liter engines in Vegas weren't very powerful stock like the Volvo 2.3's.
Other than the nice, notchy shifts (from the Pro 5.0 shifter), I hated the T5 in my 245. It whined in gear and rattled on overrun, even after a complete rebuild. If you don't mind a noisy transmission, they're fine. If that's something that might bother you, then stay away.
Well, that’s very debatable. I’m starting to lean that direction but keep the 3.73 rear end as it’s a taller first than the M47, but also a taller 5th so I get both things I want. Well, ideally I’d have 6 gears, but I feel this is a decent compromise. http://forums.turbobricks.com/showthread.php?t=357250Unfortunately that means they have the .68 overdrive gear so they can't be realistically used in a 4 cyl 240.
I have a T5 in my 240 with the 0.68 5th gear. It is a good highway gear with the 3.91 rear. Worked fine with a n/a 8v setup. I don?t mind shifting down a gear for longer hills on the hwy.