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    No RPMs past 80% max - Volvo Penta

    Ill post here simply it applies to marine diesel. Ill use Volvo Penta as an example. I am told by the Volvo reps that I should not run engine past 80% max rpm (4000). What Im trying to understand is WHY? How different is a boat in the sea (smooth water) different that a truck pulling a load...
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    Coolant pressure gauge make sense?

    JLR V8s and V6s have the plastic crossover pipe(s) which on occasion can fail spontaneously. Engines are all aluminum - HOT=No Bueno. By the time the coolant light goes on most owners will have no clue. Then it's too late. So, does a coolant pressure warning gauge/alarm/ignition shutdown device...
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    Variable Vane Turbochargers - how to keep them clean

    Volvo D3-200 (Marine) Boat is used lightly - was told the engine turbo needs to be used HARD to keep turbo from carbon-ing up - Will ANY diesel additive work to reduce the carbon?
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    318 Chrysler gas - where’s the lead??

    Is there a lead substitute? What does one do n Kalifornia? Tns of Techron ?
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    Protecting Plastic parts in cooling system

    Land Rover SC V6 owner - Just wondering if insulating plastic parts my prolong life of them. Also, will something like Evans coolant prolong plastic part life? This is a big deal thanks
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    Battery Cable types

    I just have a question - lets use 1 Gauge cable - I can get it with heavy strand (maybe even solid) or many many multi strand fine copper that makes it very supple. What I want to know is which one has less resistance??
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    Heat and plastic parts

    plastic parts fro cooling systems on some v8 and v6 engines will crack at seam welds or junctions after X years or after 3-5 years. I was wondering if these pieces would last longer if wrapped with something like exhaust wrap and gold foil to increase life? Would be wise to install a coolant...
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    Red Lacquer

    For most of the life of my 84 Bmw (M30 motor) and 93 Volvo (B23 motor) I have been using Castrol 10-40 and Valvoline Full syn (only until recently) Everything seems to be just fine - but I do notice when I remove the valve cover on each car there is a very red tint to most of the valve train...
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    removal of scale

    might be the wrong forum but its the closest I could find - Marine Diesel - Westerbeke 70hp - Mazda Industrial conversion from Westerbeke. 4500 hrs - Boat has sat for several months - remove thermostat and mixer manifold - a lot of scale/calcified material found - coolant system is all...
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