2500 Stall Converter for TH400 – What Should I Know?

I’m currently looking to upgrade my Chevrolet’s performance, and I’ve been eyeing a 2500 RPM stall converter specifically for my TH400 transmission. I know this is supposed to enhance acceleration and overall power delivery, but I’m seeing a lot of mixed reviews and information online.

What to Consider Before Buying

  • Compatibility: Is it guaranteed to work well with my model? I own a 1970 Chevelle, so I want to make sure everything is compatible.
  • Installation Process: How tough is it to install one of these converters? Any tips for someone who’s done it themselves?
  • Performance Expectations: For those who’ve used a 2500 stall converter in a TH400 setup, can I expect a noticeable difference in performance? How does it feel during daily driving versus at the track?

Questions I Have

  • Is there a preferred brand? I’ve seen a few names thrown around, but it would be great to hear personal experiences.
  • Are there any drawbacks or issues I should be aware of?
  • Would upgrading to a higher stall be beneficial for my driving style, or is 2500 RPM about the sweet spot?

Thanks in advance for any insights you can share! Looking forward to making some much-needed improvements to my Chevy.

A 2500 stall converter allows the engine to reach a higher RPM before it fully engages, which can significantly improve acceleration off the line. It essentially multiplies the available torque, making it a great choice for performance builds.

That’s a great point! The torque multiplication means quicker jumps and better performance, especially in a TH400. However, it can also affect cruising RPM.

Can someone explain how the stall speed affects everyday driving? I’m curious about the balance between performance and drivability.

Good question! A 2500 stall is often a happy medium. It provides good takeoff but also maintains decent driving comfort without excessively raising RPMs on the highway.

I installed a 2500 stall on my TH400, and the difference in responsiveness is phenomenal! My car feels like it has a new life.

To keep the transmission cooler, I always recommend adding an external cooler if you’re going with a higher stall converter. They can generate more heat during operation.

That’s solid advice! A cooler is a must with these setups, especially if you plan on driving hard or towing.

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One thing to consider is the type of driving you do most often. If you’re mostly street driving, 2500 stall is comfortable, but on the track, you might want higher RPMs.

I still have a hard time believing that such a small change can make a big difference on the track. Has anyone done side-by-side comparisons?

Definitely! I did one with a stock converter vs a 2500 stall. The stall converter was noticeably quicker in the 0-60 times!

In a nutshell, the right stall converter can turn your TH400 from a sluggish setup into a performance beast. Just do your homework first!

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What RPM does a 2500 stall hit at full throttle? I want to ensure my engine’s power band matches up.

Typically, it engages around 2500 RPM, but this can vary based on engine setup. Make sure to check your torque curve!

I always find the stall converter topic interesting! Plus, who doesn’t love a faster car? Just remember to balance performance with reliability!

Very true! Just gotta remind ourselves that sometimes, faster isn’t always better if it comes at the expense of tuning hassles.

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Installing a 2500 stall converter in your TH400 can significantly improve acceleration, especially off the line. You’ll feel a noticeable increase in throttle response, making your driving experience much more enjoyable.

That’s great to know! I’ve heard that it really helps with the overall powerband and makes the car feel more responsive. How does it impact highway driving?

When you’re cruising on the highway, the 2500 stall might take a bit of getting used to. It can keep the engine in a better power range, but it may also raise your RPMs slightly at constant speeds. It’s a trade-off for better low-end power.

That makes sense! It sounds worth it for the performance gains during acceleration, though. Is it suitable for daily driving?