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Old 09-19-2014, 04:45 PM   #100
truckeez
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Join Date: Feb 2010
Location: Cruzeville
Posts: 219
Thumbs up Re: '63 GMC 4x4 "Just Because I can/Do It All" Build

Quote:
Originally Posted by 63GMCKid View Post
Alright no real particular order here, just some pics to hold your interest!

First up, frame with front leaf spring crossmember. 2.5''x.25'' square tube with 3/8'' plate tabs for the leafs. 2'' and 3'' forward holes. Options are important, I like things to be tunable. Also in the picture is the engine mount crossmember. Excuse the mess of leafs, the cottonwoods in the yard are huge and next to impossible to clean up after.



[IMG]http://i291.photobucket.com/albums/ll290/ChrisKrawlin/Truck/DSCN1940.jpg[/IM

Motor mount crossmember, excuse the rust, I finished this part a while back and it's been outside installed for mock up. Uses poly bushings, simple to install (it's self aligning with the bolt holes really, since the plates welded to the frame are angled away from each other at the bottom and towards each other at the front), rather than have individual nuts going through, there is another plate behind the ones welded to the frame with nuts welded on, so no trying to hold a wrench back in there, no fiddling with individual nuts, etc.



Of course, gotta have the weld porn...



Here is the rear Eaton HO72, not much to say here, has disc brakes, its painted to look cool (Flat black and Chevy orange), has a factory No-Spin locker and 4.56 cogs inside.

These Eaton HO72/HO52 axles are the best kept secret on 4 wheeling IMO. They are considerably lighter than a 14bff and lighter still with disc brakes, higher ground clearance than a 14bff, all steel housing for welding trusses and link tabs to, ring gear load bolt, MASSIVE pinion shaft, no crush sleeve to worry about on the pinion (bearing preload on the taper roller bearing models is set with a simple spacer between the two bearings, can remove the yoke at any time and not worry about measuring the torque of the pinion yoke nut), axle shafts with no neck down - they are hoss from flange to splines, factory lockers aren't too hard to find if you go looking for these axles, still pretty abundant because alot of the street crowd sells them off due to lack of street friendly ratios. Only down side is bearings are expensive for these. The other positive things more than make up for that. They are a win win over 14bff's in my opinion.








And here is a quick pic of the housing I'm using for the Eaton/60 hybrid front axle, already have the spindles cut off of it. This housing is actually a '58 HO72 housing. The reason it got cut up for front axle use is because I learned the hard way that not all SRW HO72's are the same width. Earlier ones are about 1/2'' narrower per side than later ones, the difference can be seen in the axle shafts. I got later hubs all setup on this older housing with my discs and brackets, went to check to see if everything would fit and the calipers with pads wouldn't fit, the discs were 1/2'' too close to the caliper brackets on both sides. Then I compared an old housing to a later house and the spindles are slightly different in length, causing the problem. The reason they are like this is because the older HO72/52's used a slide on brake drum, and the later ones had a stud retained drum like the 14bff. Just something to keep in mind for you folks out there running the HO72/52 axles and wanting to do disc brakes. If your axle originally had slide on drums, later hubs will not solve the problem, you need special caliper brackets with less bend/spacing to them, or you need a later HO72/52 with stud retained drums. With the later ones though, EVERYTHING used to convert a 14bff to disc brakes bolts right up, only thing major your have to do is drill the hubs for the larger 14bff wheel studs. Anyway, here is the quick pic of just the housing for the front -

for a bookmark, So a 1410 yoke should be easy to source and bolt right on,,
the main drag of all other axles is having to pay an axle guy to set the pinion preload is eliminated with these
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