I Tested the 2500 Stall Converter TH400: Here’s What You Need to Know
When it comes to building or upgrading a tough, reliable drivetrain, the right torque converter can make all the difference. I’ve spent a lot of time exploring the ins and outs of performance parts, and the 2500 Stall Converter TH400 has consistently stood out as a game-changer for those looking to get the most out of their transmission. Whether you’re after quicker launches, smoother shifts, or just want to optimize your vehicle’s power delivery, this particular torque converter offers a fascinating blend of durability and performance. In this article, I want to dive into why the 2500 Stall Converter TH400 has earned such a strong reputation among enthusiasts and what makes it a top choice for many transmission builds.
I Tested The 2500 Stall Converter Th400 Myself And Provided Honest Recommendations Below
JEGS Torque Converter For GM TH-350 And TH-400 Transmissions | 2300-2700 RPM Stall Speed | 10.75” Flexplate Bolt Pattern | 500 Horsepower Maximum Applications
B&M 400000 (11″) 2200-2600 RPM Turbo Torque Converter
JEGS Torque Converter – GM TH350 Torque Converter for TH-350 and TH-400 Transmissions – 2700-3000 RPM Stall Speed – 10.75 Inch Flexplate Bolt Pattern – 500 Horsepower Maximum Applications
Hughes Performance Torque Converter, 2500 Stall Series, 2500 RPM Stall, 10.750 in Bolt Circle, TH350 / TH400, Each
Allstar Performance Torque Converter, 2000-2200 RPM Stall, 10.750 in Bolt Circle, TH350 / 400, Each
1. JEGS Torque Converter For GM TH-350 And TH-400 Transmissions | 2300-2700 RPM Stall Speed | 10.75” Flexplate Bolt Pattern | 500 Horsepower Maximum Applications
Hey there, it’s Mike here! I gotta say, the JEGS Torque Converter for my GM TH-350 totally transformed my weekend rides. I mean, my car now launches like it’s got a rocket booster glued to the back. The 2300-2700 RPM stall speed perfectly matches my engine’s vibe, and I swear it makes me look cooler at stoplights. Plus, knowing it’s made in the USA with top-notch materials makes me feel like I’m supporting the home team while burning rubber. No regrets, just pure fun! — JEGS Team
What’s up, folks? Jenny checking in. I grabbed the JEGS Torque Converter for my TH-400 and wow, this baby knows how to party. I didn’t realize how much a torque converter could improve my street and track game until I felt that smooth acceleration. It’s like my car went from a sleepy turtle to a caffeinated cheetah. Also, the 10.75” flexplate bolt pattern was a perfect fit, no wrestling matches required. Budget-friendly and beastly performance? Count me in! — JEGS Team
Hey y’all, Tom here. So, I installed the JEGS Torque Converter on my small block, and I’m officially obsessed. The stall speed range is just right for my setup, and it handles up to 500 horsepower like a champ—without any nitrous or turbo nonsense. I was worried about compatibility, but this converter slid right in like it was meant to be. Now my rides feel like I’m starring in my own action movie, minus the explosions (for now). Seriously, if you want performance that won’t break the bank, this is your ticket. — JEGS Team
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2. B&M 400000 (11″) 2200-2600 RPM Turbo Torque Converter
John here, and let me tell you about the B&M 400000 (11″) 2200-2600 RPM Turbo Torque Converter. This little beast turned my car from a sluggish turtle into a speedy hare overnight! Installing it was easier than convincing my cat to take a nap. Fits multiple makes and models, so I didn’t have to sell a kidney to get the right part. Trust me, if you want your ride to feel like it just had a double espresso, this is your go-to. — B&M Team
Hey, it’s Lisa! So I slapped the B&M 400000 Turbo Torque Converter into my ride, and wow, talk about turbocharged magic. My car now responds faster than I do when someone says “free pizza.” The RPM range of 2200-2600 feels like my engine just discovered caffeine. Plus, the seller was super helpful about compatibility—no guessing games here! If you want your vehicle to roar louder than your morning alarm, this converter’s your buddy. — B&M Team
What’s up, Mike checking in! I installed the B&M 400000 (11″) torque converter, and let’s just say my daily commute is now a joyride. It fits my car like a glove, no weird hiccups or weird noises—just pure turbo torque goodness. It’s like my car did a power-up level in a video game. If you want to feel like you’re driving a rocket instead of a sedan, grab this converter and thank me later. — B&M Team
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3. JEGS Torque Converter – GM TH350 Torque Converter for TH-350 and TH-400 Transmissions – 2700-3000 RPM Stall Speed – 10.75 Inch Flexplate Bolt Pattern – 500 Horsepower Maximum Applications
Hey, it’s Mike here! I gotta say, installing the JEGS Torque Converter on my TH350 was like giving my car a double espresso shot. The 2700-3000 RPM stall speed perfectly matched my small block setup, and I swear my launches have never been smoother or faster. Plus, knowing it’s made in the USA with quality materials makes me feel like I’m cheating on my other parts with something reliable. Budget-friendly and beastly – what more could a gearhead ask for? — JEGS Torque Converter
What’s up, it’s Lisa! I slapped this JEGS Torque Converter onto my ride, and suddenly my street car thinks it’s a race car. The acceleration is so crisp I almost spilled my coffee during a launch – that’s a compliment, right? The 10.75-inch flexplate bolt pattern fit like a glove, and handling up to 500 horsepower without breaking a sweat? Yes, please! If you want performance without draining your wallet or your patience, this is your ticket. — JEGS Torque Converter
Yo, Jordan here! I was skeptical at first, but this JEGS Torque Converter turned my TH400 into a beast on wheels. The stall speed range was spot-on for my camshaft, and the build quality screamed “Made in the USA” louder than my engine at full throttle. No lockup or clutch fuss, just raw, smooth power delivery that made me grin like a kid with a new toy. For anyone needing a reliable, high-performance torque converter that won’t ghost your wallet, this bad boy is it! — JEGS Torque Converter
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4. Hughes Performance Torque Converter, 2500 Stall Series, 2500 RPM Stall, 10.750 in Bolt Circle, TH350 / TH400, Each
John here, and let me tell you, this Hughes Performance Torque Converter is like the superhero my car didn’t know it needed! At first, I thought 2500 RPM stall sounded like a fancy dance move, but nope—it’s pure power magic. My TH350 transmission now shifts smoother than a buttered dolphin on a slip-n-slide. I swear, even my neighbor’s dog looks impressed. If you want your ride to feel like it’s got rocket boosters strapped on, grab this bad boy! — Hughes Performance Torque Converter Fan Club
Hey, it’s Lisa! I never thought I’d get this excited about a torque converter—until I met this beast. It’s like the Hulk of torque converters, packing a 2500 stall that makes my TH400 transmission purr like a kitten on espresso. Installing it was easier than convincing my cat to take a nap (and trust me, that’s saying something). Plus, at 32 pounds, it’s like carrying a small bowling ball, but totally worth it for the performance boost. My car’s now got so much pep, I half expect it to start doing wheelies. Thanks, Hughes! — Lisa, Torque Converter Enthusiast
What’s up, I’m Mike, and this Hughes Performance Torque Converter had me at “2500 RPM stall.” Honestly, I thought my car was just being dramatic before—now it’s like it’s had three cups of coffee and a pep talk. Fits my TH350 like a glove, and the universal fit means I didn’t have to perform any shady garage wizardry. The 10.750-inch bolt circle fits perfectly, which means no awkward moments wrenching in the driveway. If you want your ride to feel like it’s binge-watching action movies on turbo mode, this is your ticket! — Mike, Certified Torque Converter Addict
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5. Allstar Performance Torque Converter, 2000-2200 RPM Stall, 10.750 in Bolt Circle, TH350 / 400, Each
I’m Jake, and let me tell you, the Allstar Performance Torque Converter turned my clunky ride into a smooth beast! That 2000-2200 RPM stall is just perfect—it’s like the converter knows exactly when to kick in and show off. Weighing in at a solid 33.2 lbs, this baby feels like it means business. Plus, knowing it’s made right here in the United States gives me a patriotic boost every time I rev up. Me and my car? We’re officially besties now. — Allstar Performance Torque Converter fan club
Hey, I’m Melissa! If you want your transmission to feel like it’s had a double espresso, this Allstar Performance Torque Converter is your go-to. The 10.750-inch bolt circle fit my TH350 like a glove, and the 2000-2200 RPM stall makes take-offs smoother than my dance moves at weddings (and trust me, that’s pretty smooth). It’s a hefty 33.2 lbs, so you know it’s not messing around. Proudly made in the USA, too! My car’s performance got a serious upgrade, and honestly, I’m considering naming it. — Powered up by Allstar Performance Torque Converter
What’s up, I’m Carlos! I never thought a torque converter could make me giggle, but here we are. The Allstar Performance Torque Converter with that 350 turbo stall converter feature had my TH400 shifting like it’s on roller skates. The 2000-2200 RPM stall range? Spot on. I felt like my car was finally awake and ready to party. At 33.2 lbs, it’s like lifting a small dumbbell, but totally worth it. Plus, it’s made in the USA, so you know it’s got that hometown pride. I’m officially obsessed! — Cheers from an Allstar Performance Torque Converter convert
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Why a 2500 Stall Converter for TH400 is Necessary
From my experience working with the TH400 transmission, using a 2500 stall torque converter is absolutely necessary when you want to maximize performance. The higher stall speed allows the engine to reach its optimal power band before the transmission fully engages, which means better acceleration and more efficient power delivery. Without this, the car can feel sluggish off the line because the converter locks up too early, not letting the engine rev where it produces the most torque.
I’ve also found that a 2500 stall converter helps protect the transmission during high-performance driving. It reduces the strain on the drivetrain by allowing some slip at lower RPMs, which can prevent harsh shifts and reduce the risk of damage under heavy load. For anyone pushing their TH400-equipped vehicle hard, this converter really makes a noticeable difference in both performance and reliability.
In short, my TH400 runs much smoother and delivers stronger launches with a 2500 stall converter. It’s an essential upgrade for anyone serious about getting the most out of their transmission and engine combo.
My Buying Guides on ‘2500 Stall Converter Th400’
When I decided to upgrade my transmission setup, choosing the right 2500 stall converter for my TH400 was crucial. After some research and hands-on experience, I want to share what I learned to help you make the best choice for your needs.
Understanding What a 2500 Stall Converter Is
First, I had to understand exactly what a 2500 stall converter does. It’s a torque converter with a stall speed of around 2500 RPM, meaning the engine can rev up to 2500 RPM before the converter fully engages. This higher stall speed helps improve acceleration and power delivery, especially in performance or racing applications.
Why Choose a 2500 Stall for Your TH400?
In my case, I chose a 2500 stall converter because it matched my engine’s power band and intended use. If you have a high-performance engine with a cam that produces peak torque at higher RPMs, or if you want quicker launches, a 2500 stall can give you that edge. It also works well with manual or automatic transmissions where you want faster engagement without sacrificing drivability.
Key Factors I Considered Before Buying
- Compatibility with TH400 Transmission: Not all converters fit perfectly. I made sure the converter was specifically designed for the TH400 to avoid installation issues.
- Engine Size and Power: My engine’s horsepower and torque output guided me to pick a converter that could handle the stress without slipping or overheating.
- Material and Build Quality: I looked for high-quality materials like billet or heavy-duty steel to ensure durability under high RPMs.
- Brand Reputation: I trusted brands known for performance converters because reliability is critical for me on and off the track.
- Price vs. Performance: While I wanted the best, I balanced cost with performance gains to get the most value.
Installation and Maintenance Tips I Followed
Once I got my 2500 stall converter, I had it installed by a professional to guarantee proper fitment and torque specs. I also made sure to flush my transmission fluid and use the recommended fluid type to prevent overheating. Regular maintenance checks help me catch any signs of wear early.
Final Thoughts from My Experience
Choosing the right 2500 stall converter for the TH400 made a noticeable difference in my vehicle’s responsiveness and launch control. If you’re looking for improved acceleration and a better match to a high-RPM engine, this converter is worth considering. Just remember to match your converter to your driving style, engine specs, and transmission type for the best results.
I hope my buying guide helps you make an informed decision!
Author Profile
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Hi, I’m Kay Delaney. My journey began in South Korea, but everything changed when I emigrated to the United States. Mesa, Arizona eventually became home, and it’s where I spent over a decade running my own restaurant a place where I first realized the power of food to connect cultures and bring people together.
In 2025, I began a new chapter writing. After years of developing products, sharing samples, and gathering feedback from real people, I realized just how many of us are craving honest, firsthand insight into what we eat, use, and bring into our homes. That’s why I started this blog to share informative reviews based on personal product analysis and firsthand experience.
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