Additional Information

Additional Information

Account Navigation

Account Navigation

Currency - All prices are in AUD

Currency - All prices are in AUD
 Loading... Please wait...
ARC Racing

Blog

Pulsing the Fuel Pump on a GX200/Clone

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 [...]

Read More »

On Rod Bolts

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 [...]

Read More »

Are You Unbalanced?

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 [...]

Read More »

Setting Ignition Timing

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 [...]

Read More »

Oil Clearance Is Not A Myth It Is A Calculation

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 [...]

Read More »

Does It Matter

Does It Matter? A common sense approach to engine building.Historically, human nature has taught us two basic things about the question "Does It Matter ?"1 - If a problem exists, and we have the capability to correct it, we tell the world "It Does Matter".2 - If we don't have any interest or desire to [...]

Read More »

Probable Cause of Most Rod Failures

TUESDAY, JUNE 1, 1999 Probable Cause of Most Rod FailuresTo help prevent engine failure, here's a few tips:For the most part, a quality billet connecting rod doesn't just break. There are several things that can really shorten the life of a rod of which bearing clearance is probably the most important and too much is worse [...]

Read More »

Dual Plane Balancing

Dual Plane BalancingWe receive lots of calls about balancing and one of the first questions is always, "What is DUAL PLANE BALANCING".If you read the book on it, and you had a background in engineering and physics, you could get a good understanding of it. The two terms that are used in the explanation are [...]

Read More »

The Art of Design and Production

THURSDAY, AUGUST 20, 1998 The Art of Design & ProductionBy: Randy Amundsen Date: August 20, 1998We probably have 20 calls a week from customers who are full of ideas and thoughts about designing or re-designing our products or someone else's product. Some have a brand new idea that they would like us to manufacture. We like [...]

Read More »

The 10,000 RPM Bomb

The 10,000 rpm BombSeveral times a week we get calls from people that have just exploded their engine and, for the most part, they're looking for answers as to why it happened. On occasion, they'll send us some of the parts (or the whole mess) for evaluation hoping that we can shed some light on [...]

Read More »