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SUNNEN CRG-750 FIXTURE TUNE UP
SUNNEN CRG-750 FIXTURE TUNE UP I just used a set of LS main caps to shim the fixed surface plate (opposite the clamp) on our cap grinder. LS caps are normally cut very square to the sides, but first I verified these with a machinist's square. I use dye chem on the...
WHY DOES THE HVAC TECH CHARGE MORE THAN THE MACHINE SHOP
WHY DOES THE HVAC TECH CHARGE MORE THAN THE MACHINE SHOP I had a short visit from our HVAC repairman today. It took him about 2-minutes to pop the access cover, grab a tester and proclaim that the flame sensor had shot-craps in our 10-year-old furnace. He’d been in my...
GOOD SOLUTION
GOOD SOLUTION When checking volume on cylinder heads, I like to use windshield washer fluid as the measuring liquid. To keep it from flash rusting seats and iron heads after it’s drained, I’ll put a splash of radiator coolant additive in the gallon jug. This has...
RECYCLE YOUR RESOURCES
RECYCLE YOUR RESOURCES Most piston sets come in a bag. Some customers do not take off all the external parts when they bring in cylinder heads. Use those piston bags to put the various cylinder head parts in to keep them organized for reassembly. Place a label on...
GOOD SEATS
GOOD SEATS When I grind valve seats and want a nice finish when I get done, I take a strip of abrasive cloth about 1/4 inch wide and 4 inches long. I place it between the seat and stone with the abrasive side facing the stone. I hold the cloth with one hand and then...
CORE PLUG PULLING
CORE PLUG PULLING Some core plugs are notoriously tricky to remove. One example, that I see a lot of, is the deep plugs used in the back two positions of big block Chryslers where the cylinder wall is close to the plug hole. I simply tack weld a nut to the core plug....
