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Re: lever shock oil (again?)

To: tstepp@ssl.berkeley.edu (Todd Stepp), british-cars@encore.com
Subject: Re: lever shock oil (again?)
From: garnett@theory.tc.cornell.edu (Roger Garnett)
Date: Thu, 1 Aug 1991 14:26:45 EDT
[If anyone has additions, comments, complaints, questions, etc. please mail
them to me directly.  I will make appropriate changes, repost here, if
necessary.] RG

Here's a chart of some acceptable, available fluids for your British car:
{NOTE: as always, check the specs for your car!}

Brake and Clutch        
        DOT4 (DOT4 should be flushed and replaced at 2-3 yr intervals)
                -Castrol LMA -Low Moisture Absorbant, easy on seals
                -Girling 
        DOT5 (Silicone) Doesn't absorb water, or remove paint.
                Can be a bit harder to get the air out, and may
                be more prone to boiling in heavy braking usage. 
                Fantastic for long term storage -Good for 5+++ years. 
        (Do not mix DOT4 and DOT5. Do not use DOT3 -it WILL rot your seals.)

Hydralyic Lever Arm shocks -This must be an hydraulic oil designed for
                this application, with anti-frothing additives.
        -OEM Girling or Lockheed Shock oil, if you can find it.
        -Motor Cycle Fork oil. 
                -Castrol Fork Oil. Available in 20 & 30 wt. (30 works good)
        -90 Wt Gear oil or STP. For really stiff shocks (competition use.)

Carburetor Piston Dampers
        -Solex Carb Damper oil, availble from some mail-order places.
-For light damping:
        -Marvel Mystery Oil (very good for this application)
        -Automatic Trans Fluid
        -3 in 1 oil
-For heavier damping:
        -20 or 30 wt Engine Oil
        -20-50 wt Engine Oil

Manual Gearbox (Check your specs! Some cars specify Hypoid gear oil, some
                engine oil, and others, others!)
        90 or 85-140 Hypoid Gear oil -For required high shear strength usage.
        75-90 GL5 MTL (Redline synthetic)
        30 wt, non-detergent, or engine oil (MGB Spec)
        Automatic Trans Fluid -This can be good for short term usage, to
                clean things out & free sticky syncros. May be prone to
                more leakage. Speced for some newer gearboxes.

Rear Differential -usually a high shear strength "Hypoid Gear Oil"
        90 wt, or 85-80.
        Some older cars require STRAIGHT 140wt.

Steering Gear- Usually a 90wt Hypoid Gear Oil is good.
        (this is not for power steering, which use a variety of fluids)

Wheel Bearings -use a high quality, high tempature bearing grease. ie:
        -Castrol wheel bearing grease.

Grease fittings- (the stuff you use your grease gun for)
        -Lithium Grease

Trunion Fittings (TR's and others)      
        -90 wt Oil. (Not Grease) - an application method:
        Rather than fill the cartridge with oil, invert the top of the gun
        with the lever, fill the depression with oil and pump away.

Cooling System
        50-50 mix of water and Anti-Freeze is best for *most* applications.
                This offers the best Anti-Corrision, Anti-Freeze, and Cooling
                capibilities.
                If you have an Aluminium head or block, you may need an
                anti-freeeze speced for use with Al.    
        -Water with a corrosion preventing additive.

Battery
        Top up cells with distilled water. Do not use tap water.

Operator
        Usually a good stiff Ale will do the job. Preferences vary.

   ________
  /___  _  \        Roger Garnett   (garnett@BATCOMPUTER.TC.CORNELL.EDU)
 /|   ||  \ \       Agricultural Economics   | South Lansing Centre For 
| |___||  _  |      3 Warren Hall            | Wayward Sports Cars
| | \  |   | |      Cornell University       | (Lansing, NY)
 \|  \ |__/ /       Ithaca, N.Y. 14853       | (607) 533-7735
  \________/        (607) 255-2522           | Safety Fast!


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