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Transmission

From 1973 Ford Ranchero “GT” — documented by jeff931.

45 photos
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1973 Ford Ranchero - there is a C6 under that grease; I'll use it until I get an AOD together; the old tired 351 Cleveland 2Bbl still attached; it will get shel… 1973 Ford Ranchero - C6 bell housing with torq converter removed; teardown just getting started. 1973 Ford Ranchero - got most of the sludge off the outside now, time to tackle the inside now 1973 Ford Ranchero - data tag from the C6 tranny 1973 Ford Ranchero - this tranny had a modulator valve with two vaccum ports; it will get replaced. 1973 Ford Ranchero - this is the old modulator valve. 1973 Ford Ranchero - I used a green stripe modulator, instead of the old modulator that used two vaccum hoses; this should raise the full throttle shift points… 1973 Ford Ranchero - there is literally a truck-load of stuff inside a transmission! no wonder it weighs 150 pounds! 1973 Ford Ranchero - this is the valve body with the filter installed into the transmission. I found a bunch of clutch material and dirt in the pan and valve bo… 1973 Ford Ranchero - valve body has been removed and the tail housing has been removed; thats the intermediate band and the fwd clutch hub. 1973 Ford Ranchero - this is the pump assembly, removed from the front of the transmission. 1973 Ford Ranchero - this is the reverse-high clutch hub; the intermediate band rides on this shell. 1973 Ford Ranchero - this was the aft pressure plate out of the forward clutch; the plate is broken in half and cracked in about 20 other places! Lucky I decide… 1973 Ford Ranchero - all these parts were replaced! all the clutch plates, all the steel plates, the intermediate band, the pump gears, the modulator, a couple… 1973 Ford Ranchero - these are the new overhaul parts. 1973 Ford Ranchero - the clutch plates need to be soaked in ATF fluid for at least 15 minutes, so they survive on start up. 1973 Ford Ranchero - I installed a B&M shift improver kit, stage 2, part number 40262; it took me about 5 hours to install. I installed a B&M drain plug in the… 1973 Ford Ranchero - I used a TCS kevlar lined intermediate band, instead of the stock Ford part. This should last longer and withstand some abuse at the drag s… 1973 Ford Ranchero - this is the original 3-pinion forward planetary; its still in good condition. I'm going to replace it with a wide-ratio 6-pinion planetary… 1973 Ford Ranchero - this is the 6 pinion, wide-ratio planetary set I installed; it's the stock part out of the Ford E40D 4spd auto transmission. I installed it… 1973 Ford Ranchero - this is the new sun gear shell for the new planetary. 1973 Ford Ranchero - this is the new sun gear. 1973 Ford Ranchero - the pump and the reverse-high clutch have been removed. 1973 Ford Ranchero - this is the parking gear and pawl. 1973 Ford Ranchero - the reverse-high clutch, the forward clutch, and the planetary set all stacked up. 1973 Ford Ranchero - the reverse-high clutch, with the forward-clutch, the new planetary, the new sun gear and the new sun gear shell all stacked on each other… 1973 Ford Ranchero - clutches are installed; now the intermediate band goes in and the then the pump assembly. 1973 Ford Ranchero - checking the endplay on the input shaft. 1973 Ford Ranchero - this is the valve body; I've installed a B&M shift Improver kit, p/n 40262, stage 2; now the valve body will be re-installed. 1973 Ford Ranchero - almost finished; the valve body and filter have been installed; next will be the tailshaft housing and the pan and its done. 1973 Ford Ranchero - I made a tag to remind myself I overhauled this tranny in June 2009. 1973 Ford Ranchero - I made a tag to remind myself I installed a B&M shift kit. 1973 Ford Ranchero - I made a tag to remind myself of the new planetary gears I installed. 1973 Ford Ranchero - this is the governor assembly. 1973 Ford Ranchero - I'm using a Ford "S" servo, the original servo apply lever, and a 2 inch wide TCS Kevlar intermediate band. The "R" servo is slightly large… 1973 Ford Ranchero - this is the new "S" servo I installed. 1973 Ford Ranchero - the "new" (used) "S" servo cover and the original data tag and the one I made for the parts I just installed. 1973 Ford Ranchero - this is the shift linkage and kick-down lever. the square bolt and jamb nut is the intermediate band adjustment screw. I installed a B&M dr… 1973 Ford Ranchero - Done! I rebuilt it myself with high performance parts including: extra clutches and steel plates in the forward clutch drum, a new wide-rat… 1973 Ford Ranchero - finished! it took about 8 hours to tear the tranny apart and clean all the parts; another 5 hours to do the shift kit/valve body modificati… 1973 Ford Ranchero - custom driveshaft installed; 3.5" cro-moly steel with 1330 u-joints, then balanced. 1973 Ford Ranchero - I re-used the stock steel transmission pan because I was worried about ground clearance, but there is lots of room; I installed a B&M drain… 1973 Ford Ranchero - I used the aluminum AOD seperator plate, instead of the steel C6 tin; it fit perfectly so I won't have to change it when I install an AOD l… 1973 Ford Ranchero - Transmission clutch pack and a damaged ring are laid out on a workbench next to a screwdriver and a can of spray. 1973 Ford Ranchero - A transmission and driveshaft are loaded into the bed of a red truck.