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Old 05-13-2022, 08:41 AM   #2
Lochlin
Gone Wild
 
Join Date: May 2011
Location: Pittsburgh
Posts: 2,941
Default Re: 89 Columbia Restoration; Sentimental Version

Today I started getting after it. Even though I have restored 10 or more carts, there is still nothing like tearing one of these carts down.

Gone:

The oil injection system. I have never been a fan. Gas / oil will be mixed moving forward.

Gone:

Columbia's OEM electronic ignition module. I will be replacing it with an HEI conversion. On this note I got very lucky with this cart. At some point, Columbia switch from an oblong crankshaft end, which is needed to trigger old school points, to a round one that allows the use of hall effect magnets. The latter is tough to do HEI conversions on as there is no "hump" in the crankshaft end to open the points for the HEI. Fortunately, the 89s still had the hump so that makes things easier.

Gone:

The exhaust is roasted and like unrecoverable. OEM is no longer produced so getting this replaced will be interesting.

The motor will come out in the next couple of days. New seals are on the way. A new top end is also in the works.
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