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What did you get done on your Bolt today????


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1-ton Front Disk brake kit installation
#1433716 Thu Dec 16 2021 02:32 PM
Joined: Sep 2011
Posts: 66
X
xgregx Offline OP
'Bolter
Hello everyone,
I found a disk brake conversion kit a while back and ordered it this summer. It's from The Street Rod Manufacturing Co - www.tsmmfg.net [tsmmfg.net] They've been mentioned in these forums before.
This is not a promotion or ad in anyway. I found the kit online, ordered, and paid. I'm excited there is someone making the kit and wanted to share.
I started putting my kit on last weekend and make some videos. It's a pretty simple process. So far I have the brackets, disks, rotors and pads all installed.
Part 1: https://youtu.be/hzXvk-aH9dI
Part 2: https://youtu.be/CgtksuHMJD8

I'm currently working on putting in the new dual MC and doing the plumbing. I probably won't do a video detailing that since it's a well covered topic already.
I'll post a part 3 when all is done. Hope you enjoy!
Greg

Re: 1-ton Front Disk brake kit installation
xgregx #1433834 Fri Dec 17 2021 12:05 PM
Joined: Sep 2012
Posts: 248
D
'Bolter
Very interesting. What size MC bore will you be using and where did you get it

Re: 1-ton Front Disk brake kit installation
xgregx #1433941 Sat Dec 18 2021 03:02 AM
Joined: Jun 2011
Posts: 4,461
E
'Bolter
I got a TSM (made in CO) disc brake kit for my SF 14 bolt a few years back, everything worked like it should.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Re: 1-ton Front Disk brake kit installation
DaveV #1433995 Sat Dec 18 2021 03:38 PM
Joined: Sep 2011
Posts: 66
X
xgregx Offline OP
'Bolter
Hi Dave V- TSM recommends no larger than 1 1/8" MC bore. I got a '76 Corvette MC for non-power brakes from Rock Auto: RAYBESTOS MC36367. That's what lots of people were recommending around these forums for other brake swaps. I hope it's sufficient. It seems to be what they use in the off the shelf conversion kits. They say "Corvette Style" Master Cylinder.
Greg

Re: 1-ton Front Disk brake kit installation
EdPruss #1433997 Sat Dec 18 2021 03:40 PM
Joined: Sep 2011
Posts: 66
X
xgregx Offline OP
'Bolter
Ed - Glad to hear the kit works well for you!

Re: 1-ton Front Disk brake kit installation
xgregx #1434071 Sun Dec 19 2021 01:55 PM
Joined: Sep 2012
Posts: 248
D
'Bolter
I have been thinking of going with that same disc kit for my 49 3600 and was wondering if I should be installing a power MC or just manual. I looked up the 76 Corvette and see that it uses 1" MC for manual or 1 1/8" for power. Found both sizes in power at Ecklers to fit our trucks for $350. Now the decision is which size do I need. I'd love to know how yours turns out with a Manual MC

Re: 1-ton Front Disk brake kit installation
xgregx #1434077 Sun Dec 19 2021 03:41 PM
Joined: Sep 2010
Posts: 1,786
W
back yard wrench turner
I put disc brakes on the front of my '38 1 ton. I used a '51 1/2 ton axle because it has a larger kingpin. I used a 1 inch non-power master cylinder from NAPA.


Wayne

When I die, I hope she doesn't sell everything for what I told her I paid for it!

1938 1-Ton Farm Truck
-30-Stovebolt Gallery
Re: 1-ton Front Disk brake kit installation
DaveV #1434157 Mon Dec 20 2021 02:54 AM
Joined: Sep 2011
Posts: 66
X
xgregx Offline OP
'Bolter
Hey DaveV,
All the dual power MC conversion kits (that go in the stock location) I've seen say they only fit trucks with aftermarket automatic transmissions. I think I saw them on Brother's trucks and Jim Carter trucks. They also say for 1/2 ton, so I wasn't sure if it would fit a 1-ton. I assume it would since the stock MCs are the same. I found that kit you mentioned on Eckler's... looks good! If I decide to go with power brakes that looks like a winner assuming it would fit. -- Edit, just found the fitment guide, it says it fits a 3800.
Actually you guys are right - the manual MC I got is a 1" bore. I remember going back and forth worrying about enough pressure vs the pedal stroke being too far.
I'll post updates as I go!
Thanks,
Greg

Last edited by xgregx; Mon Dec 20 2021 02:57 AM.
Re: 1-ton Front Disk brake kit installation
xgregx #1434185 Mon Dec 20 2021 02:11 PM
Joined: Sep 2012
Posts: 248
D
'Bolter
I realize they say that it only fits with an auto trans. but I've found that it is because they are trying to keep the unit installed in its original location due to transmission crossmember interference if the unit was shifted rearward. I have a T5 without a trans crossmember so moving the MC asmy rearward is not an issue and I already have another hole in the floor for filling purposes. I'm sure this can all work if we can just figure out the right parts like proper MC bore size.

Re: 1-ton Front Disk brake kit installation
xgregx #1434190 Mon Dec 20 2021 02:50 PM
Joined: Sep 2011
Posts: 66
X
xgregx Offline OP
'Bolter
So do you know if those Eckler power MC kits fit on an all original truck? They don't mention anything about clearance issues or what kind of trans or cross member you should have. They look pretty compact. I do have dual exhaust pipes that make things a little tighter around the MC though.

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