| denofiniquity | -- 09-08-2018 @ 2:02 PM |
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I would do that, but my understanding from the suppliers is that those pads are 7.5 inches long, wheras the 41 3/4 ton pu is 6 inches. Of course I can cut the pad, but then I would lose the trim edge. Am I correct in thinking that? Another question I had asked quite a long time ago, with no resolve, as of yet, is this: The engine I have installed is a 46, just like the 41. I am using original type water pumps, original type motor mounts, as well as a n.o.s. trans mount, which mounts inside the trans crossmember and protrudes through the crossmember just a hair, maybe 1/8" the trans probably sits on the crossmember itself, which of course doesn't provide much absorbing support. So this appears as all original, ok? But what this does is lays the engine down so far in back, making the carb way out of level and driving the oil filler/breather way into the firewall. This amounts to over 2" at the trans mount, meaning the rear of the trans needs to be raised over 2" to level the carb. The only explanation I have come up with is maybe Henry thought these 3/4 ton trucks were always going down very steep hills and needed this type of mounting to have the carb level. Guess they then in return would back up the hill. I am at a loss here and just want do to whatever it takes to level the carb. (original stock manifold as well as carb.) It is the way out of level that really bothers me. The breather can be reshaped and the carb could have a leveling spacer built for it. This particular engine came from a 40 1/2 ton and sat level. This is my biggest peccadillo with this resto, and have been working around this for yrs, but must come to grips with it now as nearly complete. I have the green book, no specific help here. Help! Dennis
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| TomO | -- 09-10-2018 @ 7:31 AM |
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It would help if you show a photo of the rear motor mount. (you call it a trnsmission mount) The Chassis Parts Catalog call for the same rear motor mount cushions as the front motor mount cushions. That should level your motor. Tom
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| alanwoodieman | -- 09-14-2018 @ 4:01 PM |
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how about a close up of the front motor mount, something seems off to me. I have a 3/4 ton 41 and will take some pictures of these areas for you. was your truck a 6 cylinder or a 4 cylinder originally? looks like a "riser" of some sort is on the front crossmember under the rubber motor mount
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| alanwoodieman | -- 09-14-2018 @ 4:03 PM |
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how about a close up of the front motor mount, something seems off to me. I have a 3/4 ton 41 and will take some pictures of these areas for you. was your truck a 6 cylinder or a 4 cylinder originally? looks like a "riser" of some sort is on the front crossmember under the rubber motor mount
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| denofiniquity | -- 11-10-2018 @ 12:47 PM |
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shot from under showing back of trans, crossmember of 41 122" wheelbase 3/4 tn pu. Actually measures 121"
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| denofiniquity | -- 11-10-2018 @ 12:50 PM |
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image from above showing misaligned trans mount to crossmember.
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| denofiniquity | -- 11-10-2018 @ 1:08 PM |
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Please see my original message below as a reminder: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I would do that, but my understanding from the suppliers is that those pads are 7.5 inches long, whereas the 41 3/4 ton pu is 6 inches. Of course I can cut the pad, but then I would lose the trim edge. Am I correct in thinking that? Another question I had asked quite a long time ago, with no resolve, as of yet, is this: The engine I have installed is a 46, just like the 41. I am using original type water pumps, original type motor mounts, as well as a n.o.s. trans mount, which mounts inside the trans crossmember and protrudes through the crossmember just a hair, maybe 1/8" the trans probably sits on the crossmember itself, which of course doesn't provide much absorbing support. So this appears as all original, ok? But what this does is lays the engine down so far in back, making the carb way out of level and driving the oil filler/breather way into the firewall. This amounts to over 2" at the trans mount, meaning the rear of the trans needs to be raised over 2" to level the carb. The only explanation I have come up with is maybe Henry thought these 3/4 ton trucks were always going down very steep hills and needed this type of mounting to have the carb level. Guess they then in return would back up the hill. I am at a loss here and just want do to whatever it takes to level the carb. (original stock manifold as well as carb.) It is the way out of level that really bothers me. The breather can be reshaped and the carb could have a leveling spacer built for it. This particular engine came from a 40 1/2 ton and sat level. This is my biggest peccadillo with this resto, and have been working around this for yrs, but must come to grips with it now as nearly complete. I have the green book, no specific help here. Help! Dennis
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| denofiniquity | -- 11-10-2018 @ 1:10 PM |
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Motor mount and water pump:
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| alanwoodieman | -- 11-11-2018 @ 7:32 PM |
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is the trans a 4 speed or a 3 speed? I am pretty sure you have the wrong rear motor mount on the trans, 1/2 ton mounts are different from 3/4 ton and up. I will get a picture of mine tomorrow and post, also will look in my parts stash for various styles of these mounts to show the difference.
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| alanwoodieman | -- 11-11-2018 @ 7:33 PM |
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is the trans a 4 speed or a 3 speed? I am pretty sure you have the wrong rear motor mount on the trans, 1/2 ton mounts are different from 3/4 ton and up. I will get a picture of mine tomorrow and post, also will look in my parts stash for various styles of these mounts to show the difference.
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| alanwoodieman | -- 11-12-2018 @ 7:31 AM |
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4 speed commercial 3/4 ton requires mount (actually rear retainer) 01Y-7085 40/47 3 speed commercial 3/4 ton requires mount 01D-7085 40/47 4 speed commercial 1/2 ton requires mount 81 C-7085--dirty/grease encrusted mount in picture 003 4 speed truck with parking brake on rear 01T-7085- clean one in picture 003
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| alanwoodieman | -- 11-12-2018 @ 7:34 AM |
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having trouble posting more than one picture picture is of my 41 3/4 with 3 speed trans-note that the rubber mount pad you are referring to is actually embedded in the cross member on the underside--not the top
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| denofiniquity | -- 11-12-2018 @ 12:10 PM |
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May have mentioned this before, I think you are the one I purchased a cyl head, (A) from a cple yrs ago. Were you able to see the pics I sent? I can send more but think in an e-mail would be a lot easier I have both 3 speed and 4 speed. 4 speed came from either this chassis or the spare one. One is 4o and one is 41. This is 41. Both 3/4 tn. One whl base measures 122 and this one actually 121. Distance from front mounts to trans crossmember the same. Distance from face of bell to rear of trans, (mounting holes) is the same. Both trucks came with inside the crossmember mount #5089, pp 236. I have not seen in the "green book" a mention of using the front mounts, (donuts), as trans mounts, but have tried that, which would be fine if the mount holes were in line vertically. I have seen the donut style used on 1/2 tons. On pp 147 there is a different mount yet, 5101 and 5089, but is used on a different crossmember. Crossmember # in these 2 trucks is 1T 5025. The illustration pp 153 sorta shows 5025 as curved in center. This one is flat/straight at the center section like the drawing pp 236 lft top corner, numbered as 5012. When the rear of engine/trans assembly is raised to level engine and carb, about 2 1/2 inches the mounting holes are about 3/4 inch out of alignment, in some other words ya can't drop a 3/8 cap screw through the holes. So in both trucks the engine/trans was downhill at the rear by a bunch. Thank you again for your time Alan
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| denofiniquity | -- 11-14-2018 @ 12:09 PM |
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Thanks Alan, very interesting. We're getting somewhere, not sure where as of yet, since all we have proved is there are different mounts. Might we get some measurements to go along with the pics? Both of these trucks obviously had the engines oriented 2 1/2 " down at the rear, measured between top of crossmember and bottom of the trans mount. Obviousley there are visible differences. One of these trucks has been traced back to Wisconson. the other to E. Wa. Neither altered in any way other then adding a sh*ll to the bed of one, and lots of crude repairs to dents and loose fenders. Also both have conventional e brakes, ie cable to rear, splitting and then to the brake drums. There would have to be a different dimension from bottom hole of the bearing retainer portion down to the bottom of the mount. If your engine sits level and it sits on the crossmember, with mount inside crossmember, that distance would need to be approx 2 1/2". That is of course, our front engine mounts are the same. I'm sure they are. Another measurement would be from the back surface of mount to center of the mount hole. As shown in one of my pics, #po961, there is a severe misalignment when raising the back up 2 1/2 inches in order to level engine. A mounting bolt will not go through both holes. Pretty sure the crossmember is good, so there must be a difference in the dimensions. Besides engine level concerning fuel level in carb, oil level in pan, firewall clearance, there is appearance and then there is also drive shaft angle to deal with. I will deal with that at a later date. Thank you again Alan. Dennis
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| denofiniquity | -- 11-14-2018 @ 1:32 PM |
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Alan, whilst taking a little meditation, it came to me one measurement should be from the rear "face" of trans to center of the mounting hole to the crossmember. not necessarily from back of bearing retainer/mount. Hope I am clear here. Dennis
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