How much horsepower can a th350 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. Both transmissions come with a standard one-year warranty.

Can a TH350 handle 500hp?

The 400 is an excellent heavy duty transmission, but the 350 can easily and cheaply be built to handle almost as much. 500/500 should not be a problem at all with a well built TH-350.

Can a TH350 handle 1000hp?

The TH350 can “hold” 1000 HP but it will be a more maintenance intensive unit that a TH400 or Glide.

Will a TH350 hold up to a big block?

For most street applications, you can’t beat the brute-strength reliability of the th400 (or the 4L80E) behind a big block. But, there is no reason that you can’t use a th350 behind one, if it is properly built. Even a near stock one will last quite a while if you keep your foot out of it.

Is a TH400 better than a TH350?

The TH350 uses a mechanical kick down switch, whereas the TH400 uses an electric one. … A lot of people claim that he TH350 has less drivetrain loss than the TH400, which means that all things being equal, the TH350 is going to get more power to the rear wheels from an engine with equal power.

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What’s the difference between Turbo 350 and Turbo 400 transmission?

The TH-350 was a low-torque transmission that was used in heavy cars. With modification, the TH-350 could be used as a high-torque transmission in a light car. The TH-400 was a high-torque transmission that was used in heavy cars — it was a much stronger transmission than the TH-350.

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.

What is the gear ratio of a TH350?

Transmission Gear Ratios

Transmission/Gear 1st 2nd
Powerglide 1.82 1.00
TH200-4R 2.74 1.57
TH350 2.52 1.52
TH400 2.48 1.48

Does a 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.

Can you swap a 700R4 with a TH350?

This swap is possible, most go the other way TH350 to 700R4. Driveshaft length needs to be adjusted. Shift linkage will need to be corrected, I recommend getting an aftermarket floorshifter it makes the swap easier.

Will a 700R4 bolt up to a 350?

Yes, they bolt right in. Better if your th350 is a longtail (truck) tranny. That way you wont need another driveshaft.

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