22 Nov 98
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Update on TUKU's "Old White" Project
 22 November 1998

Wheels & Wiring

Some of the earlier pictures showed OW with wheels. This was a temporary situation so we could move her. For the wheels to be mounted permanently, I've had to learn a lot, and do some serious fabrication.

The choice for OW wheels: 305x45x17 makes her look "aggressive". However, with these big feet, mounting the wheels to the front rotors and rear axles is not so simple. The wheels interfere with the chassis. To solve the problem, spacers had to be inserted between the mounting surfaces. Purchasing spacers was possible, but they just would not work. These spacers were "bolt-centric", meaning that the wheel reference position was by the wheel studs. Our choice of wheels are "hub-centric": the wheel reference position is obtained by a 3" circular protrusion on the rear axle and a precision turned mounting surface on the front rotors. This is where the big problem was presented: It was not possible to purchase an appropriate sized hub-centric spacer for OW.

So...
We thought about having some spacers built in a machine shop. The cost of this would add up to $500-$1000. As luck would have it, Harbor Freight had on sale a very nice combination metal lathe and milling machine for about the same price as purchasing fabricated spacers. So, I purchased the machine and built the spacers from scratch.

A trip to the salvage yard got me 35 pounds of 1/2" aluminum plate at a bargain price of $1 per pound. This was the raw material. Then the work began. Below is a collage of the progress... enjoy

The spacers were built in 2 pieces: the spacer itself which is a disk of aluminum about 1" thick, 7" in diameter, with 5 holes for the wheel studs (with 1/2" plate, I had to sandwich 2 pieces to get the right thickness). The second piece is the hub: a precision piece that locates the wheel accurately on the rotor/rear axle. These were fabricated separately and pressed together.

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Fabrication of the spacers:

L to R: layout on 1/2" plate; centerpunching; fabrication on the new machine; face turning a spacer

Left: rough aluminum "sandwich", Upper Right: finished front spacer, Lower Right: finished rear spacer

And the hubs:

OW_logo1

L to R: holesawing a hub; removal of the center; bandsawing to make a ring; fabricator on Dad's old bandsaw

L to R: Inside diameter check (note rough bandsaw exterior); Outside diameter check

Putting them together:

L to R: Mating of the locating ring and the spacer; finished front spacer and front rotor; spacer installed on rotor; installing on R front wheel

The result:

L to R: American Racing wheel installed on new spacer; OW has new feet!

Wiring:

While I was finishing the wheels, Brent worked on the wiring. For this job, we bought a wiring kit. With this wonder, Brent installed all of the wiring in less than 6 hours! Each wire was labeled the entire length with its destination: "alternator", "electric fan", "headlights", etc. No doubt, this is the only way to go...PAINLESS

"Painless" wiring kit complete with connectors that fit perfectly on the
 1990 Chevy steering column connectors!

 Fuse block mounted under the dash

L to R: bundle of wires from the firewall strapped to the brake lines; hookup to fan thermostat; rear brake lines, fuel lines, and wiring !

And, if all goes well, OW should be started up by the Saturday after Thanksgiving

Updated August 10, 2001
Email to: tuku@tuku.com

BuiltByNOF