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YOUR BIGGEST FAN
YOUR BIGGEST FAN We made our drum fans serve a dual purpose. There are no more 12-volt fans with switches and wiring for our engine test stand. Do you need to change a cam or fix a timing cover leak? Just roll the fan/radiator assembly out of the way to make your...
EXPANDING PLUGS
EXPANDING PLUGS When I find the need for a little more press on a cup expansion plug I use a modified spring retainer with a taper to lightly expand them in the press. Randy Torvinen Torvinen’s Machine Manahga, MN April, 2020
MANDREL FOR MACHINING OLD RETAINERS
MANDREL FOR MACHINING OLD RETAINERS I had a different combination of valve stem and spring diameters to work with and I could not find spring retainers to fit. I had previously made these mandrels to hold and modify 7° & 10° retainers, so this job was easy to...
ORGANIZATION FOR EFFICIENCY
ORGANIZATION FOR EFFICIENCY I’ve found “1-Buck” store mini muffin tins are great inexpensive parts organizers. I use them for bucket style solid lifters that are found in many late model DOHC heads. They enable me to easily put them back in the original positions. In...
INNER TUBULAR
INNER TUBULAR For the past 20 years, I have been buying bicycle inner tubes at the local hardware store to replace the neoprene sleeve on our universal cam bearing tool. The inner tube costs range from $5.99-9.99 and will give you more bang for the buck. Cut the inner...
VACUUM TESTING FIXTURES
VACUUM TESTING FIXTURES When vacuum testing valves on some heads there may be obstacles in the way. In many cases there will be some exhaust studs in the way like this 3.4L GM. Rather than opening up a can of worms trying to remove the exhaust studs, I look through my...
