How Many Gears Does A Turbo 350 Have? The TH350 is an automatic shift, three-speed transmission.
It is widely considered to be one of the greatest of automatic transmissions ever built.
What is the gear ratio of a 350 Turbo? 2.52 to 1.00
Gear ratios vary, but the Turbo 350 typically has a first gear ratio of 2.52 to 1.00; 1.52 to 1.00 for second; direct drive in third; and 2.07 to 1.00 in reverse.
How many gears does a Turbo 400 have? three
TH-400 transmissions are three-speed automatics, with a 2.
48:1 first gear.
Reverse gear is 2.
08:1 and third gear is an even 1 to 1.
Turbo 400s use three tail shaft lengths; the most preferred units for a GM swap would have the short 4-inch tail shaft.
Is 350 or 400 transmission better? They are completely different transmissions.
The Turbo 400 is larger, longer, and heavier than the Turbo 350 and was designed to live behind higher-torque applications such as big-blocks.
If you’re worried about the ultimate strength of the transmission, consult one of the transmission specialists for upgrades.
How Many Gears Does A Turbo 350 Have? – Related Questions
Are all Turbo 350 transmissions the same?
Externally, all the TH350 transmissions look the same; however, internally there are some differences. Depending on the engine size of the car the transmission was removed from, it can have anywhere from 10 to 18 friction discs and 10 to 18 steel clutch plates inside.
How much horsepower does a Turbo 400 Rob?
Sorry guys the Turbo 400 is a VERY heavy (sucks hp) tranny.
I have seen it average 30-35% power loss on 700-900 hp motors.
What’s better 700R4 or Turbo 400?
The TH400 is much stronger, but it doesn’t have overdrive and the first gear is only 2.48:1. The 700R4 has an overdrive gear (0.7:1), and a 3.06:1 first gear, but it’s not as strong.
How much HP can a TH400 handle?
About 400-450 HP/TQ is the limit on the stock TH400.
With ONE almost free modification and some minor valve body calibration changes, 800 HP on an otherwise stock TH400 is not a problem if it’s assembled well (good endplay, etc), and the 34 element sprag is a wise addition above 450 HP or any drag usage.
Does a Turbo 400 have overdrive?
The Turbo 400 has earned the reputation of a tough, reliable transmission that can survive harsh duty, but is there a better alternative
Is a TH350 stronger than a 700r4?
According to the big trans guys they are actually stronger than the 700; smaller, lighter, and a better 1st gear ratio.
I have had a mildly built 200-4R behind a 462 in a 4000# car for over 10 years with no issues.
How much power can a stock Turbo 350 handle?
The TH350 can easily handle 600 lb/ft when properly built.
What’s better powerglide or TH400?
In these types of applications, a Powerglide is the ultimate in consistency as well. On the other hand, for cars that will see any street time at all, a TH400 is a better option. In race cars, compared to a Powerglide a TH400 is better suited for cars with large tires and taller rearend gearing.
How do I know if my Turbo is 350 or 400?
The TH-350 uses a square pan, with one corner cut off.
The TH-400 uses an oblong-shaped pan with one side having a “hump” in the pan and one side is curved while the other two sides are straight.
The TH-400 pan also has two circular indentations on the humped side of the pan.
Does a Turbo 350 have overdrive?
Overdrive.
The 700R4 has an overdrive while the TH350 does not.
Overdrives allow for high-speed cruising, which saves fuel while lowering torque.
Will a powerglide bolt up to a 350?
The powerglide should be fine with the 350 unless it is an air cooled version.
Is a 350 Turbo transmission good?
A turbo 350 transmission is the perfect transmission for your entry-level sports car, light truck, or rally race.
High performance and tough parts give this transmission the ability to handle a variety of use cases.
How much horsepower can a 2 speed Powerglide handle?
A powerglide can indeed handle 440 hp, hust put a good cooler on it especially if you are putting a higher stall converter in it.
How much power can a powerglide handle?
With all the available upgrades, both the Powerglide and the TH400 are capable of withstanding an incredible 3,500 horsepower.
Why is the powerglide so good?
The Powerglide has just two speeds: low and high. And its durability allows it to run 100 to 150 races before needing a rebuilding that takes only two hours, Coughlin says. “It’s bulletproof, simple and easy to customize,” he says.
What is the best transmission for a Chevy 350?
TH350.
Best transmission choice, hands down.
The Turbo Hydra-matic 350 was first used in 1969 model cars.
It was developed jointly by Buick and Chevrolet to replace the two-speed Super Turbine 300 and aluminum case Powerglide transmissions.
Is a 700R4 good for drag racing?
Racing with a stock 700R4 while in overdrive risks the integrity of the O/D band and limits your performance in a drag race, and can ruin the transmission. But a custom built 700R4 is made of sterner stuff, and reduces the lag time introduced by sloppy and sluggish shifts.
