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Thread: old comp truck turned scale truck (the rebuild!)

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Old 05-11-2011, 10:46 PM   #1
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Default old comp truck turned scale truck (the rebuild!)

I decided to start a new thread since i completely rebuilding this so for those interested here is the first thread: old comp truck turned scale truck

After beating the old girl thoroughly over the winter the truck started to show it's age





Something in the front doesn't look quite right huh?



yep the links were worn out and i couldn't keep the suspension from flopping. From the beginning i knew it was only temporary as i had full intentions to make the uppers more scale looking.

I also had a little trouble with the rear axle. Oops!



All this combined with the need to replace the chassis with rails to keep it in class 2 i decided it was time to tear it down and rebuild.

the first step was obviously to tear it apart and within 15 minutes i had it to bare bones



And was left with a pile of wrinkled sheet metal



next i blasted it



and cut off the frame





I'm keeping the rails for another project more TCC orented

then i bent up some rails



and mocked them in place





with the rails situated i did some figuring and started on the center skid. I began with some square stock, narrowed then cut into a U and tacked to some sheet metal



then i fully welded it and trimmed the U out.





Next up was the axles. I made a 3 link truss



I fixed the rear shaft, shaved both of them down and added the trusses





and finally mocked it all into place



And yes I'm moving the tranny under the hood and running my homemade T-case from the willy's build to get a full depth interior and more scale points.

In all not to bad so far. I stole the lower links from my sportsman truck so the fronts need to be a little shorter but otherwise it is coming along good.
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Old 05-12-2011, 01:20 AM   #2
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Just get sick of this rig already...I'm ready or it to be in my stable
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Old 05-12-2011, 01:43 AM   #3
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Awesome! I love this thing! Not much time left though, you better get moving.
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Old 05-12-2011, 10:04 PM   #4
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Originally Posted by blakeski View Post
Just get sick of this rig already...I'm ready or it to be in my stable
Ha Ha! Sorry, this one is staying with me!

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Originally Posted by TURTLE View Post
Awesome! I love this thing! Not much time left though, you better get moving.
You must be referring to the MSD scale nats. unfortunately I'm not going to them, although I wish i was. No my next scale comp isn't for another 2 months so i have plenty of time.
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Old 05-12-2011, 11:14 PM   #5
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always love seeing any work on this rig
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Old 05-16-2011, 05:51 AM   #6
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always love seeing any work on this rig
Thanks. Here is more.

Small update. After trying to align everything by eye and just not being satisfied with the result, I looked for something to make a jig and found these PVC channels left over from when i installed new windows last summer.



with everything square and true i added tabs to mount the skid plate



Then, after aligning the skid using the jig, trimmed it to fit



wanting to keep everything flush, and make it removable, I drilled, tapped, and countersunk 8 2MM screws.



That's it for now
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Old 05-19-2011, 10:43 PM   #7
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Got a bit more done

Moved onto the upper links. Made some tabs for the front and tweaked them to keep the rod ends strait





Then since the frame kicks up higher in the rear I added a plate inside and ran the mount right through the frame



overall shot from the side



Next is the front shock hoops. I wanted All-Pro style hoops so i bent up some tubing



Tacked them to some bar stock



fabbed up some tabs



brazed them to the tubing



then tacked it in place



I won't know if that's the final position until i get the rest of the mounts done and get the whole thing sitting on it's own with all the weight added.

That's it for now
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Old 05-20-2011, 01:27 AM   #8
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this thing is the bees knees, awsome work!!!
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Old 06-18-2011, 06:41 AM   #9
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Got a little more progress on this.

After i finished the front hoops i added upper mounts for the rear shocks



then i made a temporary mount for the tranny





even got it to fit under the dash





now it's finally sitting on it's own.



but i'm not to happy with the flex in the rear



But i got to test it a bit and the drive train works great and at this point that's all i care about.

More later.
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Old 06-18-2011, 03:11 PM   #10
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nice work so far.
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Old 06-26-2011, 02:06 PM   #11
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holy man a rebuild already???? hahaha geez your hard on these things!!!!

looking good im excited to see it finished. i havent done nothing with mine, got my shock hoops bent up and just need to tack them onto the chassis.
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Old 07-02-2011, 08:21 AM   #12
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holy man a rebuild already???? hahaha geez your hard on these things!!!!

looking good im excited to see it finished. i havent done nothing with mine, got my shock hoops bent up and just need to tack them onto the chassis.
Yep. i had to with now much i beat on it and to comply with the new rules and stay in class 2.

more progress finally.

I wasn't satisfied with the rear travel after i took it for a spin. The shocks were more vertical then before and they also didn't look very scale that way so i went a different direction.

I started by making some tabs and adding tapped holes for adjustment.



Then i added them to the 3 link truss i made earlier



here it is in place



Next i needed an upper mount. I've seen others use the tubing through tubing method so i thought i'd give it a try.

Started with 1/4" dia tube and drilled 2 3/16" holes in it



Then slid tubing into it



then i drilled holes in the frame



and finally brazed it all up



Here it is with the shocks attached



looks a lot cleaner now.



And the flex? now this is much better!





Here it is with the rear fender on for a better idea of how much droop it has now



i need to add bump stops yet but otherwise I'm pretty happy with the result.

Next up is the rear tire carrier.

In an effort to get the most points with the new scale rules, i decided to move the tire carrier to the bumper but not wanting the tire to sit high or hang out over the rear i decided to think outside the box a bit.

The first thing i needed to do was some chopping



then i bent up some tubing and brazed some small tubes on the ends



next i made the tire mount by brazing a screw to some tubing and coat hanger wire to the nut



then attached it to the mount



to attach it to the bumper I welded a screw to the bumper.



and here is the tire in place. now i get the scale points without any impact on the performance on the truck



now here is the neat part



Yep, it swings out.



finally to attach the other side i drilled a hole in the bumper



Added a nut



and screwed the carrier on



I'm getting closer to completion but i still have a bit to do. more later.
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Old 07-02-2011, 11:13 AM   #13
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you suck! 'Gonna be ready for Sunday? I might have to but some tires for the Honcho so I can run against you in class 2.
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Old 07-02-2011, 05:40 PM   #14
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I'm trying. I might run it but it's not going to be done by any means.
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Old 07-13-2011, 10:27 PM   #15
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I got some more work done on the truck

When i had the suspension worked out, and with the spare tire taking the place of the tailgate, i started looking at the tubing left and decided to start over with the bed of the truck so out came the cut-off wheel



then i added a cross member to the back of the chassis



next came new tubing



and with the fenders mocked in place, tacked the bumper on



next came supports for the tubing that go around the lights





Last to go in was the mounts for the battery box



and here is the box in place



With everything in place i tore it down and brazed all the joints then put it all back together with the old body for some test runs to work out the bugs











After a few test runs i had a reacquiring problem.



The Traxxas shaft from the tranny to the T-case was just not up to the task for obvious reasons, so to alleviate the problem i decided to modify an MIP shaft but it would need some serious surgery to match the length of the Traxxas shaft.





in a nutshell i had to cut the tube section out of the outer shaft keeping the splined section. then cut the smooth section, and a bit from the end, off the inner part



Then i bored the bell and machined the shaft to fit





here is is mocked in place



then i broke out the TIG and burned it tigether







Now i have BEEF!



A little more testing and i'll be ready for paint and details.
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Old 07-14-2011, 12:06 AM   #16
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impressive sir. keep up the great work
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Old 07-14-2011, 01:21 AM   #17
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This build is looking great can't wait to see the finished product!
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Old 08-16-2011, 11:14 PM   #18
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omg... paypal ready
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Old 08-17-2011, 12:15 AM   #19
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sweet.. looks a lot cleaner now!!! even though i thought the old version was awesome too.. nice job on the drive shaft also..lol
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Old 08-21-2011, 11:18 PM   #20
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omg... paypal ready
Ha Ha! nope! this one is sticking around for a while

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sweet.. looks a lot cleaner now!!! even though i thought the old version was awesome too.. nice job on the drive shaft also..lol
I liked the old version as well but it wasn't legal

Well after some weeks of testing i decided the truck was good enough to compete with so i proceeded to finish it up.

The last couple details i that needed addressed were tabs for the rear quarters to hold the back in place since i have no tailgate now



And mounts for the seats. I did this by adding a simple bar with tabs that allowed me to screw into an existing slot on the bottom of the seats







With that done it was the normal process of blasting and painting.







Then i assembled the chassis and electronics in preparation for the sheet metal





And here is the body in place with the new paint job





I also got door handles and emblems on this time.



Ah, look at that sparkle!





And here is some pics of it in full comp trim

















I ran it in a comp this past weekend. I'll post more on that later
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