What year vehicles have a Turbo 350 transmission?
Cars that used the TH350 transmission include those from the late 1960s, as well as some GM all rear-wheel-drive vehicles launched in 1984. The transmission model was used in these cars until the early 1980s when the 700R4 transmission was launched.
Is a Turbo 350 a good transmission?
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 do I identify a 350 Turbo transmission?
The 350 transmission is easily identified visually, by counting the pan bolts and by locating transmission number. This number contains the year of manufacture, but does not identify the transmission as a THM350.
How do I know if I have a TH350?
Look for the vacuum modulator. It will be on the side of the transmission and have a rubber vacuum line attached to it. If this fitting is on the right front of the transmission, you have a TH350. On the similar TH400 it is attached at the right rear of the transmission.
How much horsepower can a Turbo 350 transmission handle?
The Stage 1 TH350 is rated up to 450 hp. Those seeking something a little stronger can check out the Stage 2 version (PN PA35102) that holds 550 hp and retails for $1,500 with a real world street price of $1,175 from most vendors.
Which transmission is better TH350 or TH400?
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. That doesn’t mean the Turbo 350 is weak in comparison.
How much HP can a Turbo 400 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.
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.
Are all Turbo 400 transmissions the same?
2. Variants of the TH400. There are two variants of the TH400, and these are the TH375 and TH475. The TH375 was used in smaller displacement cars between 1972-1976.
Does a Turbo 350 transmission 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.
What is the difference between a TH350 and a TH350C?
TH350 and a TH350C have different cases, input, converter. The C has lock up. Shouldl work if you want lockup.
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 is a Turbo 400 transmission?
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