I'm mocking up my ride ..Have 8BA/39 trans mating up to a 42 ford rear end with torque tube . Have the motor at 3deg for level carb, motor is mounted on the low end of the scale right now ( 4" road clearance ,weighted ) like low center gravity .. So at this motor angle /clearance scenario looks like torque tube measures 0 to +1 deg(up) for a fit up , what would the 42 stock tube angle meas. in deg.? I thought maybe at +1 deg. i might get gear oil in tube ?. Any other considerations on this match up would be appreciated .. thk/u. gus.
What year car are you working on? You will only get oil in the torque tube if the angle of the torque tube with the full weight of the car sitting on the ground is such that the torque tube points downward, like when the car has a rake (lower in the front than the back). As you know there is only one universal joint at the rear of the transmission to which the drive shaft attaches.. The actual drive shaft is a solid steel shaft centered within the outer torque tube. With the full weight of the car on the ground and the tires and wheels you are going to use installed, put a level on the torque tube and see what the angle is. Consider this thought: If the entire car suspension is such that that torque tube points down hill towards the front of the car, rear gear oil will still drip into the Torque Tube.I urge you to pose your question on www.fordbarn.com for more opinions.
Like Tim said. Here's that seal along with photos of how rear gear oil will dissolve the rubber encasing the torque tube center bearing. Repros are available.Lot of work to install that seal as you have to pull the rear. If you plan to install a seal, do it now while your drive train is easily accessible. Seal cost $100. Made by a fellow in TX.
a) car is a ebay dumped hot rod project in a "basket".. I did get a almost rust free 27 T roadster body ..Frame unknown, but was z'ed nicely so no rake. b) I machined a faux D/S to fit inside pinion coupling to approximate deg. and center. c) like i said ,where the trans is now D/S would line up at 0 deg. so to prevent oil drip I guess i'll bump up the engine height ..hence my ?? what's the 42 D/S angle.. d) did post on Barn , but 50 clicks ,no response , I know there is a disdain over there for creative types?? e) I'll have to shorten my D/S to 47", so from what i've read , I could do away with center bearing support . Also its a solid shaft ,do they make a seal for this solid type , as you have so kindly shown ? F) I don't intend to do any cross country trips with this rod , but we have lots of country roads, and a jumping country store down the road . that will be the "Sally" of this project.. Thanks so much for your time/info on my project , most of my knowledge and inspiration on this project has come from this site ,very creative types here... thk/u. gus..
Upon closer look at your seal pics, does the seal ride on the coupling or D/S on solid type D/S application ?
I'm confused ,Is the $100 for the center seal or the seal that goes on end of D/S near pinion from the "mystery" guy in Texas ? thk/s, gus..
My question is with your motor mounted at 3* up, is that with the frame rails at dead level or did you factor in final ride angle (ground profile) including tire sizes and with or without a dropped front axle. In other words at final ride height and ready to drive is your motor still at 3* up?
Gus, Seal goes on the drive shaft inside the torque tube where it connects to the banjo spline. The actual seal rides on the spline coupler. It is bolted between the banjo and the flanged end of the torque tube. There is another seal #4245 at the front end of the drive shaft. Installation instructions say that you must install a breather vent in one of the axle housings. The br*** one shown is home made.
P/B ; motor is 3 Sorry, didn state up or down on orig post, its 3* down ready to ride, so carb is level..thk/u.gus..
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