Ok My 4 speed is on the way out the door, so i have to consider my options and money.
So what kind of differences can be expected between the 3 and 4. I have never driven a 3 Speed so have no idea of performance, economy etc against the 4
So any info hear would be helpful.
Also what kind of general prices are there for a recon 3 and a recon 4.
Thanks
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AUII Falcon
Sedan S-Pack
HeadUnit - Alpine CDA-9815
Amp - Eclipse PA5422
Fronts - Alpine SPS-571A
Rears - RockFord Fosgate T1572C
JMM Mods Some Day
I'm guessing that performance would be roughly the same, however economy would suffer with the 3 speed due to one less gear ratio. At 100kmh a 3 speed will rev at 2300rpm where the 4 speed will rev at approx 1900rpm?
I can't give you exact prices but you will find reco 3 speeds to be a hell of a lot cheaper than the 4 speed.
The first 3 gears of the 3 speed and 4 speed are the same, however, the 4 speed might have a slightly higher stall converter. If there if a difference, it will only be minimal.
the 3 speeds are generally tough as nails, and if you have it serviced correctly, and the kickdown adjusted well, she will shift almost as smooth as a 4 speed.
As mentioned above, biggest let down is the freeway rpm.
Prices range from $150-350 s/h.
__________________ CAUTION: Slippery When BOOSTING!
I would say 4 speed for a cruizer and 3 speed for grunt
had 88 fairmont ghia mpi 3 speed a few years ago and had no problems at all reved at 2500 @100kays ran through gears good
and now the series 2 ea ive got now has btr85le(4 speed)
and after a thrash or towing it plays up bad
I think they need to have larger external coolers if you are to do anything more than daily driving because they run very hot.
Yup the 3speed auto is cheap to do, I would go a 3speed for a big horsepower setup and for a factory setup for fuel econemy 4 speed but I would go 3 speed.
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IF YOU DONT TRY IT YOU WONT KNOW.
I have a 3spd auto, and while being as tough as nails, I would prefer the 4 spd. Other than economy, anyone who owns a stock 3 spd will tell you that in the first 100 - 200 meters anything will drag you off due to the gear ratio. You peg the other cars back a little when they change to second, but the distance lost at the beginning is very difficult to make up. If reliability is your concern, go for a 3 spd, else go for the 4 for dragging and economy.
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I have something to say, its better to burn-out, than to fade away
the main reason the 3 speeder feels slow off the line is it changes to second far too early ( no matter how its adjusted ) shifting it yourself overcomes this and it picks up quite nicely
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Lets go find that Hotdog tree I planted
Lowered EF Futura
Black Steelies ( too cheap to buy proper mags )
I have a 4speed in my ED, and no matter how much i flog the car, the auto has never played up. Its done roughly 230k and i have never had a prob.
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White ED falcon, 2.5" redline zorst, pacemakers, 1 muffler, hi-flow cat, XH snorkel and K&N filter, 17" wheels, clear side and front indicators, king springs (low).
crodarian you must be one of the lucky ones. However how long have you had the car the previous (if there is one) driver may have serviced the gearbox a lot and driven like a granny.
__________________
AUII Falcon
Sedan S-Pack
HeadUnit - Alpine CDA-9815
Amp - Eclipse PA5422
Fronts - Alpine SPS-571A
Rears - RockFord Fosgate T1572C
JMM Mods Some Day
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