Pulsing the Fuel Pump on a GX200/Clone
8th Oct 2014
MONDAY, JUNE 9, 2008
Pulsing the Fuel Pump from the Rocker CoverI drilled a hole to insert a 1/8" pipe nipple into the rocker cover. The hole is below the baffle plate in the rocker cover so it is pulsing directly from the rocker chamber. The red vent tube is above the baffle plate. I have raced this a couple times now and it works very well.
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On Rod Bolts
Posted by Mike Gifford on 8th Oct 2014
MONDAY, APRIL 4, 2005
On Rod Bolts, By Mike GiffordMy name is Mike Gifford; I'm "Outrider" in the 4Cycle.com forums, the guy that commented on how happy I was to see a fastener tightening procedure that made allowances for the differences in friction coefficient (and hence applied torque required) when different thread lubes are used on threaded fasteners. At the time, I promised you that I would eventually send you some comments on fasteners an
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Are You Unbalanced?
Posted by Carl Amundsen on 8th Oct 2014
WEDNESDAY, OCTOBER 29, 2003
Are you Unbalanced?By Carl AmundsenSeveral years ago when we were developing our crankcase ventilation system for the Tecumseh Star engine, I got some seat-of -the-pants experience with the value and need of crankshaft balancing. I was accustomed to driving a 3” bore, 3” stroke test engine, which had one of our billet crankshafts in it. The 3x3 crank had been balanced, and ran very smooth considering it was producing
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Setting Ignition Timing
Posted by Tom Cole on 8th Oct 2014
THURSDAY, MAY 8, 2003
Setting Ignition TimingBy Tom ColeAlmost every day someone calls or emails us asking how to set the ignition timing on their engine. It is an important topic because as little as one degree can be the difference between an engine that runs up front and an engine that sputters and pops its way to last place. In this article, I am going to describe what I believe to be the most accurate and reliable method to set the timing o
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Oil Clearance Is Not A Myth It Is A Calculation
Posted by Carl Amundsen on 8th Oct 2014
TUESDAY, FEBRUARY 8, 2000
OIL CLEARANCE IS NOT A MYTH IT IS A CALCULATIONBy: Carl Amundsen Date:2/8/2000Over the years I have had many opportunities to discuss oil clearance with engine builders. Some are building for their own use, some are small shops while some are large. In any event when the question is posed "HOW DO YOU KNOW WHAT YOUR OIL CLEARANCE IS?" the responses vary. Some can give a good mathematical response, some don't have a clue.
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