What is the best transmission for drag racing?

For cars that weigh less than 3,200 pounds, launch violently, or are traction limited, the Powerglide is the best choice. In these types of applications, a Powerglide is the ultimate in consistency as well. On the other hand, for cars that will see any street time at all, a TH400 is a better option.

What kind of transmission do drag cars use?

The answer is in the clutch. Unlike a street or high-performance car that uses a manual or automatic transmission, a top-fuel dragster uses a centrifugal clutch and only operates in forward, high, and reverse.

What transmission can handle 3000 HP?

The Powerglide transmission is undoubtedly the most widely used transmission in all of drag racing, and has been used behind everything from mild street-strip cars to wild 3,000-plus horsepower Pro Modified cars running the quarter mile in well under six seconds.

Is a Powerglide a good transmission?

After all, most short track racers only need a high and low gear. The most common automatic transmission used in oval racing is, without a doubt, the General Motors Powerglide. … Just like any transmission, be it automatic or manual, reducing slippage, friction, and rotating mass usually results in better performance.

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Is the 4l80e good for drag racing?

The 29.5 inch tall tire is great for drag racing because it will get taller as tire speed increases. The same thing happens with the smaller tire, but not nearly as much. So with the 4.56 gear and the 29.5 inch tall tire it can work at the track with third gear.

What is the best gear ratio for 1/4 mile?

A 4.10 gear would be your best bet to get because it will push the weight out of the hole and it would be easier to adjust your MPH with tire size.

How much horsepower can a PowerGlide transmission handle?

With all the available upgrades, both the Powerglide and the TH400 are capable of withstanding an incredible 3,500 horsepower.

How much horsepower can a Turbo 400 transmission 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 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. Both transmissions come with a standard one-year warranty.

What is so special about a Powerglide transmission?

The Powerglide has just two speeds: low and high. And its durability allows it to run 100 to 150 races before needing a rebuilding that takes only two hours, Coughlin says. “It’s bulletproof, simple and easy to customize,” he says.

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What’s better Powerglide or TH400?

Powerglide Versus TH400

In these types of applications, a Powerglide is the ultimate in consistency as well. On the other hand, for cars that will see any street time at all, a TH400 is a better option. In race cars, compared to a Powerglide a TH400 is better suited for cars with large tires and taller rearend gearing.

How much HP can a 2 speed Powerglide handle?

A powerglide can indeed handle 440 hp, hust put a good cooler on it especially if you are putting a higher stall converter in it.

Will a Turbo 400 replace a 4L80E?

Very easy. So is just buying the aluminum circle pattern 4L80E pedestal which has the same transfer case bolt pattern. So, if you have a TH400 to NP205 mount, just a bit of work will make it bolt up to a 4L80E and all is well.

Which is better 6L80E vs 4L80E?

“The main difference is that the 6L80E has much more versatile gear ratios. … The 4L80E is more proven because it has been around much longer and more parts are available for it, but the 6L80E has come a long way and they can handle tons of power with a few basic upgrades.”

Which is better 4L60E or 4L80E?

Without a doubt the 4L80E is the more powerful of the two transmissions. Vehicles with powerful engines, such as big trucks for towing or high speed cars for racing, require a 4L80E rather than a 4L60E as the power of the engine is likely to break smaller, less powerful transmissions.

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