C4 wmanual valve body problems transmissiondriveline. Page 1 of 2 full manual valve body posted in driveline. I was thinking about putting a manual valve body in it just to not have to worry about it. Reverse manual valve body shift pattern is reversed shifting is manual, trans will be in whatever gear you select.
The automatic transmission valve body controls the shifting of the transmission. What i was told is you cannot build and keep enough line pressure with a forward pattern valve body to withstand the power and with the reverse pattern they can really turn the wick up as far as line pressure. This valve body is not a cure for a worn out or broken transmission. Our full manual valve body always starts life as a 47re core. Question on valve body compatibility, i have a almost new tci 700r4 with a full manual reverse pattern but without engine braking. Shift valves, such as the 23 shift valve, are responsible for shifting the gear up one level. Welcome to curts corner, brought to you by monster transmission.
The manual valve has an opening that the detent will fit into. I dont know why you would want to try without a ratchet shifter. This paper was processed completely independently of the guest editor. Remove the three screws that hold the old filter on the old valve body. This is very important, and i blame the majority of transmission explosions on valve bodies that are not applying the low reverse band in first. You can receive a refund by returning a suitable old core. We start the build with known good tested 47re automatic core and modify them to run in full manual mode with a forward pattern ratchet shifter. The mega shifter allows for normal up down shifting, but when racing i simply pull the t handle and drop it into the rachet mode. Second international conference on physical employment standards pes 2015 was held in canmore. Valve bodies and transmission shift kits are designed to provide crisp gear engagement providing improved times at the track and a more engaging drive on the street. If youre building a 70s model c4 for competition and do not need a brake, this is the one for you. A forward or reverse manual valve body can be used in a street vehicle for quick tire chirping shifts, full control over when the shifts take place and to make driving your high performance street car even more enjoyable. Note that transmission will now become fully manual and kickdown lever is now unused. I would like to have control of my gears, but i would like some input on their valve bodies before i buy one.
Auto shifter options and manual valve bodies mustang. Installation instructions ati performance products. Are there any issues with using my stock shifter which is now from a 67, not a 65. I was told that my 1973 has a reverse valve body trans mission with the original cobra jet converter but the reverse valve body is new to me. Our full manual valve bodies can be used in 47rhre or 48re transmissions.
Manual valve bodies are used in most every type of competition activity involving an automatic transmission, to provide the. It works okay but you have to hold the button in, so thats one more thing you need to concentrate on going down the track. Manual vs full manual valve bodies maverickcomet forums. It is what they call a forward pattern valve body, which means that it goes.
Although i did run the reverse valve body with a stock shifter for awhile. They are a blast to drive if you want to shift the tans all the time, but remember, you loose the drive feature of the transmission,manual valve body and cant start in third anymore. My old toasted 700r4 have the full manual reverse pattern but with engine braking. You will slip it into the next gear to easily with the stock shifter. Step 10 installing tci full manual reverse shift valve body into transmission case. It will let you shift manually or put the shifter into drive and the transmission remains full automatic. They provide full manual control over all shifts and deliver them without delay or timecostly overlap. This valve body is featured in our streetstrip transmissions. A manual reverse valve body is as it states, a valve body that has been modified to allow the driver to select gears manually and will not work as originally designed automatic shift. Yes it will start off in second or third if you select them.
Please refer to the core return instructions included with the part or contact customer service for more details. There are only 3 drive positions on the shifter, but 4 useable gears. These valve bodies are used for events where a transbrake is not needed, such as in tractor pull, monster truck, and other track applications. Age, human performance, and physical employment standards. I replied to him that i did not imply that it was a full manual valve body. C4 reverse manual valve body instructions pa26303, pa26304 need more help. This isnt just a truck, it will kick most vehicles on the street. Remove the manual valve from the oem valve body and install it in the ati valve body. When shifting manually this valve body will remain in the gear until you select the next gear, and. The detent lever moves the manual valve when you manually shift the vehicle. They do not offer a manual valve body for it though. One thing im not sure about it how we would shift through all of the gears.
Deep pan required with all transbrake valve bodies. It is more for the line pressure in the valve body. Hughes performance full manual valve bodies from are a must for competition applications. Install separator plate gasket, separator plate, separator plate valve body gasket and 12 accumulator support plate. A full manual valve body makes it so your uber smooth slush box automatic transmission is shift only on demand. The manual valve connects to the gear shift handle, and is used to close or open transmission valve passageways according to the current position of the gear shift.
Use a small bolt to hold the 12 accumulator housing plate in place. Full manual valve body muldoons diesel performance. With performance automatics full manual reverse pattern valve body, you are in total control. The arm should fit the same as it did on the old valve body. Call us at 3019638078 the reverse manual valve body is a direct bolt in replacement for 1970 to 1984 c4 model transmissions. Problem is its an older style 700r4 and looks a bit different, but a guy from tci said it would be fine.
Performance automatics transbrake valve bodies are complete and ready to install. This is very important, and i blame the majority of transmission explosions on valve bodies that are not applying the lowreverse band in first. From what i remember or was told is that a full manual valve body actually requires the driver to shift the tranny, whereas a simple manual valve body will allow one to put it in d and let the tranny shift on its on and it will also downshift at any rpm. Tighten the valve body bolts and small support plate bolts to 8 foot pounds.
The cvt has a delayed engagement when shifting into drive or reverse, and. C4 reverse manual valve body instructions pa26303, pa26304. Deadly accurate, supercrisp shifts with raised line pressure to accommodate longer clutch life in your raceready c4. The throttle pressure mechanism can be left out when using the full manual reverse shift valve body. Forward vs reverse valve body monster transmission. Im 99 % sure it will hurt the trans starting off in third. Reverse full manual automatic transmission valve bodies. Tighten valve body finger tight, remembering that the longer bolts attach the filter to the valve body. Flushes free delivery possible on eligible purchases. When you install a high performance transmission valve body assembly you also gain quicker, firmer shifts for improved performance and reduced wear. Ask the manufacturer of your valve body if it has the low bandy apply feature. It makes the auto a manual roughly speaking without all the clutch stuff. Right now i have the stock aod shifter linkagecable modded to work with the c6 and im using the stock shifter still. This is the same valve body as used in the dynamic c4 comps and roller mite units.
I ran a manual valve body th350 in my 64 chevy ii on the street. Please specify if you have a 47rh or 48re when ordering. Im lookin at getting a turbo action cheetah valve body in full manual reverse pattern and installing it in my c6. Ive had a manual valve body in my ot bbc camaro for over 35 years, and it and the trans are still going strong.
A manual valve body gives the driver full control over when the transmission changes gears. I have been using an aftermarket ratchet shifter on my car with a full manual reverse pattern valve body for 15 years. Im thinking about getting a manual valve body for my turbo 350 and i have a couple of questions if anyone can shed some light on the subject. Reverse manual valve body forward pattern valve body. Theyre available in both standard shift and reverse. The reverse refers to the shift gate positioning of the selector positions, this allows for a safe way to shift from 1st, thru 3rd wo over shooting and. Customer responsible for return shipping on core items. I thought about tearing the shifter apart and recutting the profile of the gate notches so it would work correctly, but then i got a good deal on a. Aps full manual valve body for 46re pavement sucks. Install all the remaining valve body bolts, the detent roller spring and wire clips.
Id like to go with a manual valvebody, but since this truck will also be used on the street id like od. Precision performance products 456 kwikshift i air shifter. And if the valve body is the way to go is one company better than another. That request is for a forward shift manual valve body assembly without giving up the quality normally associated with dynamics valve bodies.
Particular attention must be paid to several items upon installation. So, dynamics owner, harold miller, set out to design a new unit that would meet these. The product has received many improvements over the years and will. Designed with competition in mind, this valve body has completely reengineered fluid circuits which provide the best shifts possible. But along with the many sales and happy racers these components have produced, we often get a special request. Engagement in drive or reverse within three 3 seconds after shifting is considered normal. A delayed engagement when shifting into gear may only occur one time per ignition cycle. The hughes manualautomatic valve body is designed for streetstrip operation. The oem manual valve is used with this valve body kit. It quickly wore out its welcome with the local law enforcement plus if you are doing to speed in drive and happen to bump the shifter into a lower gear, it will shift into that lower gear right now. The reverse valve body is set up in such a way, as to not let the driver over shift into neutral or reverse at the top end of the track. A trubo 350 transmission only has 3 speeds, unless you have a.
Cheetah pro street valve body prn321 stock pattern. Ill probably just end up building up the stock e4od. Has anyone used an aps manual valve body for their 46re tranny or other dodge tranny. Improve your transmissions shifting characteristics by reducing the amount of time that your transmission takes to upshift and downshift.
All of our super comp transmissions include this top of the line valve body. We offer valve bodies built by jw performance transmissions. How a transmission valve body works by andrea stein. Convert a ford e4od transmission to manual racedezert. I am thinking about running a full manual valve body. In this video curt goes over the difference between a forward valve body, and a reverse valve body. I will say this, every transmission i got from the local guy flared in 3rd.
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