Zack Farah: Both the 200-4R and 700-R4 are excellent choices for those who want to upgrade to an overdrive without having to deal with electronics. Other; Brakes, Electrical, Hitches, Weight Distribution & CDL Discussion - Aftermarket overdrive units... - I've been looking at aftermarket overdrive units like the gearvendors, advanced adaptors and usgear. The venerable Powerglide has been the gold standard of durability and efficiency in drag racing since the ’50s, and the workhorse TH400 has been factory installed in everything from big-block Chevelles to Ferraris to military-spec Hummers. Gear Vendors overdrive units are available for Powerglide, TH350, and TH400 transmissions. The choice of one over another is dictated by a vehicle’s horsepower and torque. To help distinguish between the pros and cons of each of GM’s overdrives—in terms of cost, durability, weight, size, and efficiency—we sought the expertise of the best trans builders in the business. It has the best of everything internally, and is just one step away from being a competition transmission with a full-manual valvebody. - Day Two Build Recap, Week To Wicked: 1955 Chevy – Day One Build Recap, Stunning big-block–powered 1970 Chevelle SS, An apex slicing 1970 Chevelle project from Schwartz Performance, Barn Find Hunter Patrick Nichols finds this Ultra-Low Mileage LS6 Chevelle, Backyard Built, This 1970 Chevelle was Made to be Driven Hard, Not Even the FBI Knew the Secret Identity of This 1970 Chevrolet Chevelle SS454 LS6, Goolsby Customs Delivers with a Standout 1970 Chevrolet Chevelle, Dream Giveaway 1970 Chevelle SS396 Sponsored by OPGI. I promise you that the next transmission I have to replace or any other person I hear of needing a transmission I will be heavily promoting Monster Transmission and tell them that I personally use Monster Transmission.

They include Stan Poff of TCI Automotive, Achilles Thomas of Monster Performance, and Zack Farah of Gearstar Performance Transmissions.

Not only are Gear Vendors units great for improving fuel mileage, but they can handle 2,000-plus horsepower in racing applications. These transmissions feature specific shift characteristics and horsepower capacities to suit a wide range of applications. We're transmission experts, recognized by some of the greatest and most notable technicians in the automotive industry. In terms of weight differences, a typical 700-R4 weighs in the neighborhood of 135 pounds versus roughly 125 pounds for the 200-4R.

Let’s say you have a ’70 Chevelle that has a TH350 with a 9-inch tailhousing, and you will be dropping in a beefed-up 383ci small-block with 500 hp. We offer free tech service during normal business hours, if you miss us leave a message and you will be hearing from us soon. The first step in the selection process is determining your current transmission model. We make it easy. Stan Poff: Overdrive transmissions substantially lower cruise rpm. Feature on a 1970 Chevrolet Chevelle SS454 LS6. Welcome to Bowtie Overdrives, home of the worlds finest GM Automatic Overdrive Transmissions. That alone should give you a good idea as to the problems it faces. The staff has been amazing to work with and takes care of their customers better than any other company I have ever dealt with.

We are grateful for the fact that Monster Transmission has gone BEYOND and we will continue to be the best publicity that you will every have.. The TCI 6x Six Speed transmission features ratios of 2.97:1, 2.23:1, 1.57:1, 1.18:1, 1.00:1, and 0.75:1. Ford Transmission Kits . On the other hand, the 4L80E looks quite different from the TH400. There is no competing underdrive or overdrive transmission available on the market that will give you the performance of a GEAR VENDORS UNDER/OVERDRIVE. A TH350 with a 6-inch tailhousing would be an easy swap for the 200-4R, again with no driveshaft mods required. TCI has been analyzing and planning some upgrades for the 6L80E in order to make it live behind added horsepower. GM-Chevrolet Transmission Kits. Wise Transmissions TCI has a complete line of 4L80E transmissions in the Street Fighter and Super Street Fighter trim levels. On the other hand, the 700-R4 was pretty much used in everything from a V-6 Camaro to a fullsize truck. The 700-R4 and 4L60E are pretty much identical in every way, including their size and horsepower capacity.

Secondly, what GM does better than any other manufacturer on earth is stick with a small handful of trans models, keep them in production for decades, and continually enhance their durability along the way. In addition to shifting through all six gears on its own with the gear selector in the “OD”, the 6x Six Speed can also be shifted manually with paddle shifter or a two-button shifter with hard wires by installing a toggle switch that allows the controller to go back and forth from automatic mode to manual mode. It also uses modular bellhousings, so it can be easily adapted to many application offered by GM, Ford, and Chrysler. In terms of size, the 700-R4 is just over 30 inches in length from front to back, and the 200-4R is about 3 inches shorter at 2711/16 inches from front to back. On the other hand, that 3,000 rpm multiplied by an overdrive ratio of 0.70:1 yields a cruise rpm of 2,100.

Furthermore, you are looking for some better top end and improved fuel economy while staying on a tight budget. They require less torque and horsepower to spin them up, compared to a TH350 or a TH400. This 1970 Chevelle being built at Schwartz Performance isn’t cutting any corners when it comes to the fabrication and parts being used. Not too long ago, 600 hp was really pushing the limits of these transmissions, but now they can handle 800-plus horsepower. The reason for this is two-fold. The basic EZ TCU program will work for 90 percent of the customers, but if they wish to fine-tune it a little to better suit their tastes, the customer can go back in the scanner program and raise shift points and make speedometer adjustments as well. Driveline and floorboard modifications are required.

This innovation eliminates the problematic TV cable gremlin. CALL 800-708-0087, Office Hours are Monday-Friday, 8:00am-7:00pm EST. Hat Racing If a novice were to put the two right next to each other, they would have a hard time telling the difference between them.

Welcome to Bowtie Overdrives, home of the worlds finest GM Automatic Overdrive Transmissions. The TCU controls the electronic functions of these transmissions, and doesn’t require a computer or laptop to load the programming onto the trans. Another option is the 200-4R, which we also offer as part of a complete conversion package. The EZ TCU has a handheld scanner that asks some basic questions, such as the tire size and gear ratio being used, and follows a basic program menu to get the car up and shifting rather easily. The 4L60E and 4L80E can now be used in older-model vehicles or as replacements in newer vehicles thanks to TCI’s EZ TCU.

That said there are many options when trying to select the best overdrive trans for your car. Less parasitic drag equals more power to the rear wheels. Stan Poff: Several things separate TCI’s Street Rodder, Street Fighter, and Super Street Fighter lines of transmissions. In some applications a 200-4R is the better fit, as its dimensions are more slender, while other applications are better suited for the more durable 700-R4. With an overdrive unit, cruise rpm on the freeway is typically reduced between 25-33 percent. For instance, both the 4L60E and 4L80E would be suitable for a 500hp street/strip machine. The additional horsepower capacity comes from clutch and band upgrades as well as increased fluid pressure and flow.

From complete engines, to torque converters to Monster in a Box, we've got all your HP needs covered. The electronics also give you an AutoDrive and AutoLaunch features, which are cool for cruising or racing.” CHP. - Day Four Build Recap, Week To Wicked: Two Days Left To Build our 1955 Chevy! Today we see 4L80Es being built to withstand three times the horsepower and torque over the factory’s original ratings. Fortunately, that’s a great problem to have, and the solution is usually quite simple. The toughest built, best performing auxiliary overdrive transmission you can buy is the gear vendor overdrive from Drivetrain.com. Barn Find Hunter Patrick Nichols finds this Ultra-Low Mileage LS6 Chevelle. There are no electronics involved, and converter lockup is controlled by a 12V wire that energizes the lockup solenoid once a vehicle reaches highway cruising speed. When you purchase from Monster Transmission you never have to worry about hunting around for additional parts or pieces.

With gas as expensive as it is these days, that translates to increased fuel mileage and savings at the pump. To accomplish this, TCI manufactured proprietary components, made fluid circuitry changes, and engineered two more gears into the transmission. The Street Rodder transmission is capable of handling 475-525 hp and shifts slightly firmer than a stock transmission. Overdrive Conversion Packages. Steve Wider’s 1970 big-block–powered Chevelle SS is the right mix of custom and classic, and shows you don’t need to go broke to have a really cool cruiser. The only downside to this is that there are so many great transmissions to choose from that several GM transmissions will work great for any given application. We offer free tech-support call 800-216-1632 today! Most hot rods have free-flowing exhausts, so a vehicle will be much quieter when turning 1,500-1,800 rpm on the freeway with an overdrive versus 3,000-3,500 rpm without one. Note: These units are for Ford 4 speed transmissions and will bolt directly to the 4 speed and bellhousing with only minor modifications. In most GM applications, installing a Gear Vendors unit requires little to no modification to the trans tunnel at all. Achilles Thomas: The 700-R4 and 200-4R are both extremely popular units for overdrive conversion, and each has their benefits. Find Advance Adapters Saturn Overdrive Units 915676 and get Free Shipping on Orders Over $99 at Summit Racing!