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Mac R-1 Restoration
Posted: Fri Apr 30, 2010 12:14 pm
by Jeff Clark
Re: Mac R-1 Restoration
Posted: Fri Apr 30, 2010 12:28 pm
by Jeff Clark
I took the Kart down to my hobby shop for a tear down and rebuild, I bagged and tagged everything and boxed it up. The floor pan was quite beat so a new one is in order, I kept the rear section in the lower seat hoop and will just weld it at the base.
This wheel is going back on.
Bag and Tag
Cut line

Re: Mac R-1 Restoration
Posted: Fri Apr 30, 2010 12:40 pm
by Jeff Clark
Re: Mac R-1 Restoration
Posted: Fri Apr 30, 2010 1:00 pm
by Jeff Clark
I decided to go a little heavier on the pan than oem, I thought this old kart has been doing alot of flexing over the years and thought it would help with the rigidity, the original looked to be 20 guage .0359 I went with 18 guage .0478
Fitting the pan.
Pan installed.
I sanded the pan before installation, makes life a little easier later.

Re: Mac R-1 Restoration
Posted: Fri Apr 30, 2010 9:01 pm
by Jeff Clark
Number stamp on front axle, I didn't notice it until first prime and was stating to wet sand, figure I better snap a shot

Re: Mac R-1 Restoration
Posted: Sat May 01, 2010 2:19 am
by Dean Seavers
Hey Jeff-
Looking good! It's almost certainly a R-300, with the giveaway being the tabs on the front axle- in those go bolts to keep the steering from going over center. R1s didn't have them, the R-300s did.
Keep us posted on the progress!
Dean
Re: Mac R-1 Restoration
Posted: Sat May 01, 2010 4:51 pm
by Jeff Clark
The tabs are oem, the gussets have been added but tabs appear stock by welds.
The main frame is ready for paint second prime with PPG K-36
I fount this interesting the rear frame section that unbolts has the same number as on the front, I have not seen this posted on any other Mac resto.

Re: Mac R-1 Restoration
Posted: Tue May 04, 2010 8:32 pm
by Jeff Clark
I was getting some stuff togeather tonight to send to chrome, I was real worried about letting those pedals out of my sight and have never had good luck on a re chrome on cast, So I decided to go to the dirty room fire up the old polish wheel and see what I coud do with what I have. This is the outcome out of some almost half century old chrome

Re: Mac R-1 Restoration
Posted: Sun May 16, 2010 7:37 pm
by Jeff Clark
BIG FLAKE!! Pics dont show it well very bright in the sun..
