how much hp can a stock th350 hold

by Jennifer Brekke Published 3 years ago Updated 2 years ago

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.Feb 13, 2013

How much HP can a TH350 handle?

Apr 18, 2007 · I'm guessing is going to irritate you more than anything, but I'd say it depends on how much you have to spend. I'm not exactly sure how much a stock 350 tranny would hold, so I won't even throw out a #. I did a quick google search, and the highest rated TH350 I could find was 450hp....but I know they're more than capable of handling your engine.

What is the most common failure point of a TH350?

Oct 06, 2011 · I am having my TH350 built as we speak to hold 650HP. From what the guy told me, there are a bunch of spacer or washers on the sprag, so they are going to replace all of those with ball bearing units.

Should you buy a three-speed transmission for your TH350?

Nov 01, 2007 · 3oh7, it all depends on what you are considering stock. If the tranny is completely stock, ie. no shift kit, it won't hold up to a strong 350 very long.These trannys are built with a lot of "cushion" for granny shifts. The best thing to do is pony up for a Trans-Go 350 1&2 shift kit and install that before you start getting the urge to romp on it .

What is the difference between a stage 1 and Stage 2 TH350?

Feb 06, 2006 · The factory THM 350 transmission "generally" can take about 300 to 350 Lb/Ft. of torque max for the truck versions. Cars are a little less. In the 80 versions where they started using an electronic stall converter they don't hold up well at all. They were matched to the output of the power plant which was putting out about 175 to 180 flywheel HP.

How much power can a stock TH350 take?

The factory THM 350 transmission "generally" can take about 300 to 350 Lb/Ft. of torque max for the truck versions. Cars are a little less. In the 80 versions where they started using an electronic stall converter they don't hold up well at all.Jan 28, 2006

Can a TH350 handle 400hp?

A TH350 can be built to handle 400hp.May 14, 2004

Will a TH350 hold 500HP?

supports up to 500HP. Our Performance Hydramatic 350 Transmission (Auto) is built to take a beating. It's rated at 500 RWHP...

Can a Turbo 350 handle 1000hp?

Can a Turbo 350 handle 1000hp? The TH350 can “hold” 1000 HP but it will be a more maintenance intensive unit that a TH400 or Glide.Feb 16, 2021

Which transmission is better TH350 or TH400?

The Turbo 350 (top) and the Turbo 400 (bottom) are the quintessential GM automatic transmissions. Both are three-speeds, but the Turbo 400 is physically larger and designed more for the torque capacity of big-block engines.Jul 27, 2015

Is the TH350 a good transmission?

The TH350 is an automatic shift, three-speed transmission. It is widely considered to be one of the greatest of automatic transmissions ever built.

Is a Turbo 350 the same length as a Turbo 400?

The overall length of the TH-400 is 38 inches, while the overall length of the TH-350 is 33 5/8 inches, if both use the longest tail shafts available. The TH-400's body is 25 inches and the TH-350's body is 21 5/8 inches long.

How much does a 350 Turbo transmission weigh?

The TH350 is a big tool, weighing 120 pounds.Mar 11, 2022

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.Oct 10, 2008

What's the difference between a TH350 and 700R4?

The 700R4 has an overdrive while the TH350 does not. Overdrives allow for high-speed cruising, which saves fuel while lowering torque.

How much horsepower can a 700R4 take?

The Street/Strip 700R4 is good for about 550 hp maximum, but with the HD input drum it is good for about 625 hp max.Jun 20, 2020

What shaft is needed for Stage 3 TH350?

Stage 3 TH350 will add a billet 300M input shaft making it good for 800 HP. Typically at this power level we recommend a TH400. Please let us help you with selecting the unit that best suits your needs.

What is Stage 2 TH350?

Our Stage 2 TH350 includes all the features of the Street model plus a 36 element sprag and drum upgrade, special retaining ring on the sprag, and a deep aluminum pan standard. 750 HP/TQ capable.

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