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'72 K5 - Greg's @MightAsWellK5 Build

This is the build description. I will improve this later. (GB)
Overview Gallery Discussion
That's one of the special things about that center, it uses an exclusive pinion support with larger bearings and special oiling system for hot oil return, it is much better than the ole daytona support. It also can use small or large pinions with the same support (which means the small pinion still gets the larger bearings, which should be more reliable)

I didn't realize the portals were double gear, I figured they had an idler gear. So that changes things when the pinion is higher, but since it's still spinning the correct direction then the oil should get where it needs to go.

It also has provisions for a load bolt if you want to run one.

That case is taking near 200 mph blasts down the quarter (low 7 second runs) in some cars so I think it should hold up to your mild big block.
 
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Cool..... I was only hoping for 130MPH in the quarter, maybe low 10's. Sounds like a solid setup!!! :haha:

-G
 
Greg72 said:
Cool..... I was only hoping for 130MPH in the quarter, maybe low 10's. Sounds like a solid setup!!! :haha:

-G
Click to expand...

That thing must be a lot lighter than I thought! Ha ha

More seriously, a lot of the high hp stuff isn't setup for extended use, but that unit is, which is why its so perfect for a lot of performance applications, on or off road.
 
Did you get a new rug? :pimp:

Greg72 said:
This created a nice clean framerail and made it easier to visualize where new brackets could be hung...

IMG_5101.jpg



This is the critical area where clearance needs to be maximized for the exhaust to pass through. This is a shot from the side of the truck looking toward the center (lower rear quarterpanel area, behind the torsion box)

IMG_5109.jpg



As always.... paper templates were fitted and cut and modified to help generate ideas for a solution. The upper link is loaded in tension so the objective is to create bracketry that will resist the "PULL" of that link against the mount. The lateral 2"x3" rectangular tube used to support the cage seemed like a logical starting point. To resist deflection, additional triangulating plates were added on either side:

IMG_5144.jpg



The paper templates..... in process:

IMG_5136.jpg


A large plate will be added across the top of the assembly to tie the outer plates to the inner link mount brackets and to add even more strength against the "pull" effect of that upper link that wants to draw everything backward and out-of-position.

IMG_5154.jpg


The view of the improved exhaust "crossover" area. There is a LOT of extra room now and it may even be possible to remove that V-band clamp completely and still get that tube out (if needed) once the bedfloor is reinstalled.

IMG_5152.jpg




-G
Click to expand...
 
2017.02.13 - !!! WEEKEND UPDATE !!!


Lots of work for a very small (but necessary) increase in clearance.....

The upper frameside link mount work continued, with the top plate being cut out of 1/4" plate and then speedholed to try to pull at least SOME weight back out of it.

IMG_5166.jpg



The new slot clamps were a godsend. So much nicer than trying to finagle a conventional C-clamp over the edges of the platter... and a lot quicker to change setups too.

IMG_5173.jpg



Once the plate was fully holed-out... it was dropped into place and got some heavy tack welds to lock it into place. A series of puddle welds went down into the link bracket below for strength and will be followed-up with more fillet welds on the underside once everything is disassembled for final welding / finishing. (There is a LOT of welding that will need to get done all over the frame, outriggers and rollcage) :yikes:

IMG_5181_1.jpg



The space that was opened-up for the crossover pipe allowed me to remove the V-Band clamp that used to connect these two small sections... the entire thing can still be removed from underneath (if needed) even without the V-band clamp. Hey! I just saved $75 on this build! :haha:

IMG_5197.jpg



By Sunday night, this was the view. It looks pretty similar to how it's been for the last several weeks, but now the muffler and resonator are in their final position with the V-band clamps on each... and all the green tape has been removed from the bends and everything is tacked into place.

IMG_5208e.jpg



Here's a shot of the new clearance that required SO much effort and rebuilding.... doesn't really seem all that impressive, but the tube sits a LOT lower from the floor than it used to, and isn't so jammed up into that corner where the vertical panel is located. With a good assortment of Jet-Hot type coatings and maybe some heat shields and thermal wrap... this should stay cool enough that it won't blister the adjacent paint / bedliner finishes. :thinking:

IMG_5215.jpg




Unfortunately, what this also means is that all of this work now needs to be replicated on the driver's side.... Probably another 10 hours worth of work, but at this point I'll just keep my head down and keep cranking along!. :)


-G
 
I love those slot clamps.
I got mine cheap at harbor freight but they do the job very well.
I'm jealous of your patience to go the distance on a project like that.
I have the project, the tools, the knowledge, but I don't think I have the endurance.
I can do small projects that can be wrapped up in a year and that's it.
Keep up the good work and maybe we will meet again in moab.
 
imiceman44 said:
I love those slot clamps.
I got mine cheap at harbor freight but they do the job very well.
I'm jealous of your patience to go the distance on a project like that.
I have the project, the tools, the knowledge, but I don't think I have the endurance.
I can do small projects that can be wrapped up in a year and that's it.
Keep up the good work and maybe we will meet again in moab.
Click to expand...


Hmmm...... now that you put it that way, I just realized that I have been working on this build for 20% OF MY ENTIRE LIFE!!!!! :yikes:

That IS crazy.


-G
 
Greg72 said:
Hmmm...... now that you put it that way, I just realized that I have been working on this build for 20% OF MY ENTIRE LIFE!!!!! :yikes:
That IS crazy.
-G
Click to expand...
It's only crazy if you never finish. Once it's done it'll take on a whole new life. :)
 
Greg72 said:
The space that was opened-up for the crossover pipe allowed me to remove the V-Band clamp that used to connect these two small sections... the entire thing can still be removed from underneath (if needed) even without the V-band clamp. Hey! I just saved $75 on this build!
Click to expand...

So now it's a budget build?

Martin
 
Possibly even the bed floor by the look of that last pic :dunno:
 
nocoasthardcore said:
"....I'm talkin' 'bout money where the commas never stop..."
Click to expand...

"Receipts piled high in my 3-ring binder...... praying to God that the wife don't find 'er!!!...
If she sees all those commas, she'll be ripping out my colon...
and slap me so hard, that her hands'll be swollen...

Until then, I'll just keep rollin'"

:haha:


-G
 
Greg72 said:
"Receipts piled high in my 3-ring binder...... praying to God that the wife don't find 'er!!!...


-G
Click to expand...

Ha, I know how much you've spent on this build AND new tools needed to build the rig. :whistle: :screwy:

How much is it worth to ya that my lips stay sealed? :ears: :haha:













ps. You can probably buy me off with a stocked beer fridge and a doughnut. lol :D

PPS.... I like the speeeeeeedholes. :saweet:
 
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