Compuflow reverse manual valve bodies our compuflow reverse manual valve body shifts opposite the oem units away from neutral when up shifting prn123. Full manual reverse valve body for the 2004r transmission. I installed a turbo action full manual valvebody in it. It would be pretty hard to copy that custom machined valve body portion in someones garage, but doable.
This modification will allow 1 st gear with engine braking at any speed. Reverse manual without engine braking stage 2 th400 750 hptq capable our stage 2 th400 includes all the components in the stage 1 rebuild but is upgraded to a 34 element sprag and the corresponding direct drum, 6 clutch direct with carbon based frictions, 4 clutch intermediate, manual automatic valve body or forward pattern full manual. The detent lever moves the manual valve when you manually shift the vehicle. Thats the same way my buddys transbrake c4 valve body was too. Proprietary design features instant brake apply and release and the fastest 23 upshift ever available with the oem casting.
Theyre engineered to allow full manual control of the valve body, for quicker shift timing and higher line pressures. His reverse pattern c4 valve body used modified factory castings on both sides. They provide full manual control over all shifts and. Tci full manual valve bodies free shipping on orders. Many shops may have valve bodies sitting unused due to this problem. I dont know of the glide suffers from an potential overspeed situation like that or not. Meaning when youre in the gear that no longer has engine braking, whenever you let off the gas and youre coasting, the engine rpm returns to an idle regardless of how fast the car is traveling since the. It will leave in the selected gear allowing street driven cars to.
Full manual valve body muldoons diesel performance. This kit is to be installed by those with moderate mechanical skills and. Best of all, the full engine braking in low gear is perfect for rock crawling and 4x4 applications where utilizing the engine s compression drag to help traverse the most extreme. With this ability, the valve body will put the transmission into the proper gear while also helping the vehicle bleed speed to take a tighter corner. Light car, mild gears in the rear, mild stall, and full manual valve body. No engine braking in manual low ford muscle cars tech forum. Chromoly pump rings and preferably a 10 vane pump kit. Tci th400 full manual valve body with low gear engine braking. Nov 16, 2018 this valve body allows transbrake application in both first and second gear ranges. Feb 04, 2007 i my go with the 700 after all as tci makes a valve body that doesnt transfer engine braking on the down shift. The full manual control valve body is suited for competition and aggressive driving, so it can be used for road racing, autocrossing, or gymkhana. Tci auto 700r4 full manual valve body with engine braking.
None of the manual shift capable parts can interchange with conventional shift system parts. Ive only seen one manual valve body that had a vacuum modulator. The 2004r uses the tv cable to set line pressure and that will have to be addressed in some way. You get less clutch slippage under high load, so that more power gets to the ground. My trans is a gm 2004r and i went with the tci full manual valve body, none of the gears will produce engine braking on this particular body, although i wouldnt slam it into 1st at speed. Th400 full manual series reverse valve body 1965 up. The replacement of the pressure regulator and line bias springs, contained in this valve body kit, will give full positive response of pressure in the 2004r unit. Call them and tell them exactly what your desires are. Choose instore pickup oh, nv, ga, tx on our web site. Shop for tci auto 700r4 full manual valve body with engine braking with confidence at autozone. The manual valve has an opening that the detent will fit into.
A toggle switch must be installed to operate 4th gear and converter lock up. I love the manual valve body and have run a couple on the street glide and a th350. Tci automotive 376015 full manual valve body with engine. It gives you full manual control over your shift timing allowing maximum performance and quicker starts. If i drop mine into first gear before im below 1015 mph it will chirp the tires. Good for use in trucks or any application in which extra sprag protection is required. Nov 16, 2018 this reverse pattern full manual valvebody is designed for use with a protree. Fourwheel drive vehicles tend to be tough on drivetrain components, especially the applications that are intended for more serious use. This valve body has no engine compression braking in low gear.
Full manual series our competition manual valve body for maximum. Gm th400 full manual reverse shift pattern valve body with. My old toasted 700r4 have the full manual reverse pattern but with engine braking. Transmission components fits 19811991 2004r transmissions. The second version is a full manual control valve body, used more. For the street a full manual valve body is rarely recommended. Set up properly you will get more than sufficient engine braking.
Figure 2 is the spacer plate used in the corvette with the manual paddle shift package. Also does anyone have any experience with a c4 trans in a circle track application. Mar 20, 2014 you may have to run something like a constant pressure valve body, if you go manual on the 2004r. C4 reverse pattern manual valve body wengine braking in. Problem is its an older style 700r4 and looks a bit different, but a guy from tci said it would be fine. May 11, 2020 the end result is engine braking capability in third, second, and first gears when the shifter is in the thirdgear position. You must line up the manual valve with the detent lever of your transmission. Guys who have shifted back to second in a race full manual 3 speed after the finish line thinking it is just another neutral since there is no engine braking feature have had the drums explode since they got to 112 times driveshaft speeds when you do that. Pressure rise problems can cause premature failure. I my go with the 700 after all as tci makes a valve body that doesnt transfer engine braking on the down shift. Highly recommend you use one that does retain engine braking.
As far as i know art carr is the only manual reverse valve body for the t400. Hughes performance full manual valve bodies hp2211r. Lowreverse band is applied in 1st gear for engine braking. Ea 2004r reverse manual valve body cast iron full reverse manual pattern can be used as both lockup and nonlockup retains engine braking fixed line pressure eliminates the need for a tv cable includes valve body and new spacer plate. This type valve body is available for tf727, tf904, th200 metric and th350. Hughes performance full manual valve bodies from are a must for competition applications. Can anyone tell me what would cause a lose of engine braking. Tci automotive walks us through the ins and outs of valve bodies.
The valve body s pistons slide valves, springs, ball placement and modified separator plates dictate that function. Tci full manual valve bodies free shipping on orders over. Gm th400 full manual reverse shift pattern valve body with engine braking. Th400 full manual reverse shift pattern valve body with engine braking pn 221201. Im sure that it didnt have engine braking though so it might be different for one of them. Hello all, 1972 nova with a fresh fully built 383 stroker, new fti 3600 stall, 3. This kit includes a host of upgraded components to improve transmission performance and durability. Manual valve bodies, particularly reverse pattern often delete the accumulator circuits as well as the engine braking features of the transmission. Jan 23, 2016 question on valve body compatibility, i have a almost new tci 700r4 with a full manual reverse pattern but without engine braking. Full manual, reverse shift pattern with ability to lock the torque converter clutch in 2nd, 3rd and 4th gears.
Compuflow forward manual valve bodies the forward manual compuflow is available with the same features as the reverse manual units, except for the standard oem shift pattern prn321. Lonnie makes a reverse manual vb, i recently spoke to him about them because he needs separator plates made for that design and we do the separator plates for his normal 2004r builds. Transmission therapy tturning a 4l60e urning a 4l60e iinto a. The new tci th400 full manual shift valve body with low gear engine braking is the best way to deliver quick shift response times and clean neutral shifting. New th400 reverse pattern manual valve body with engine braking now. There are kits, transgo is one, that allow for either manual auto or full manual valve body modification to your own valve body, or you can go with a complete valve body from any number of suppliers.
Tci performance transmission installation instructions. Theyre a great choice for bracket cars, monster trucks, and virtually any offroad competition vehicle where a transbrake is either illegal or undesirable. Engine braking is useful in downshifting before turns. You are now ready to install the manual valve body. Anyone know where i could pick up a manual valve body for a 2004r that has engine braking. Theyre a great choice for bracket cars, monster trucks, and virtually any offroad competition vehicle where a transbrake is. Th350 full manual valve body, reverse shift pattern w engine braking 200 4r valve body, full manual th350 full manual series, forward. Step 12 before lifting new valve body into transmission, place manual valve into it using the manual valve from your old valve body.
Great for retro fitting into hot rods and other non computer controlled vehicles. Step lift valve body and spacer to valve body gasket small gasket up into place being sure to line up gear shift selector pin. On a 2004r you are going to need more than just a rebuild kit and valve body kit to make it reliable if you are making any power. Making the right shift at the right time is critical to getting the most performance from your transmission. Start all bolts making sure valve body is in its proper location. Twelve common questions and misconceptions about automatic. Please specify if you have a 47rh or 48re when ordering. Full manual, reverse shift pattern with ability to lock the torque converter clutch in. As an example, when downshifting from high gear, anticipating a second gear shift and engine braking, the transmission downshifts into first gear, causing the tires to chatter or overrev the engine. The new tci th400 full manual shift valve body with low gear enginebraking is the best way to deliver quick shift response times and clean neutral shifting. Tci competition manual valve bodies for maximum performance and quick elapsed times in racing applications. From the 200r4 to 4l60e, these valve bodies cover a wide range of.
With manual valvebodies, you often do not have engine braking in certain gears. Lonnie makes a reverse manual vb, i recently spoke to him about them because he needs separator plates made for that design and we do the separator plates for his normal 200 4r builds. Figure 1 is the spacer plate and valve body checkball locations for the nonm shift corvette. Transmission therapy tturning a 4l60e urning a 4l60e.
Find great deals for tci automotive 376015 full manual valve body with engine braking 700r4. Quicker shift timing is produced only by controlling the valve body through manual means youre able to run higher line pressures than with an automatic shift transmission. Best ofall, the full engine braking in low gear is perfect for rock crawling and 4x4 applications whereutilizing the engine s compression drag to help traverse the most extreme terrains. If you use a manual valvebody you still need to use electronics to activate the tcc, assuming the manual valve body retains a tcc solenoid. The ultimate valve body for competition, will allow you to bring the engine. The oem manual valve is used with this valve body kit. The electric trans brake only works from the manual 1st gear position. Manual 2nd figure 2 when you shift the manual lever to manual 2nd, manual low pressure exhausts, which releases. Also, which manual valve body are you using that modulates your shift based on engine load. Figure 2 700r4 competition full manual 376010 valve body wiring diagram figure 3 2004r streetstrip or competition full manual 386010 valve body wiring diagram. The 67 69 c4 is not recommended for high hp use because it uses the smaller input shaft. We can also build it with or without engine braking in 1st gear. Extreme automatics pressure release transbrake 2004r 54e10. We can build this valve body to work with lock up and non lock up torque converters.
With a full manual you will have to make every shift, these units are not built to shift on their own. Get maximum performance and quicker ets with these tci full manual valve bodies. Full manual vb features 2nd gear lockup locks torque converter as soon as second gear is manually shifted lockup switch must be onlocked 43 downshiftno use of governor pressure solenoids transducers much more consistent shifts on high pressure valve bodies. This is a reverse pattern full manual valve body with engine braking in 1st gear. There is no such valve on a 2004r as they dont use a modulator, it is a much more complex valve body. I have recommended the full manual for those who have a lot of hp over 450 and drive a little on the street but mostly on the track. Install gasket, separator plate, gasket, and bte manual valve body.
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