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Old 04-13-2009, 11:36 AM   #16 (permalink)
Master EcoModder
Join Date: Aug 2008
Location: South Dakota
Posts: 460

WonderWagon - '94 Ford Escort LX
Last 3: 51.52 mpg (US)

DaBluOne - '99 Ford Escort SE
90 day: 48.97 mpg (US)

DaRedOne - '99 Ford Escort ZX2 Hot
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Loctite O-ring Splicing kit.

FWIW. I used to work on vibroseis trucks (20 tons curb weight).
This one appears to be an LRS 315

Truck part: International Paystar 5000 6x6; International DT466 engines (front & rear) with Alison MT5000 5sp Automatic Transmission.
The vibroseis part: a separate diesel motor drove a 3000 psi 80 gallon per minute hydraulic pump used to osilate an 8 ton mass to impart a sweeping seismic wave into the ground. The sweeps (multiple trucks - usually 5 or 6 but up to as many as 20 on a couple of occasions) were controlled by electronics in each truck; triggered by a single radio signal from a recording truck. Torque motor, main and secondary servos, main mass, 4 way valve, lift cylinders, 4 accumulators ...
Anyway there were a ton of different o-rings in various sizes; some with round cross sections, some square cross sections, some 90 durometer, some 70 durometer (durometer roughly equaled how hard/stiff the rubber was - how much pressure it could stand up to.) We tried to keep a stock of all the various sizes, but naturally there were times when we ran through them quicker than expected. At that point we got out the Loctite O-ring Splicing kit. It came with 70 durometer o-ring material. We tried to not ever run out of the 90 durometer o-rings, but when we did we'd cut down a larger o-ring that had the same cross sectional size. The spliced o-rings seemed to hold up just as well as the regular ones.
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