DRY SUMP OIL SYSTEMS Efficient lubrication plus reduction of parasitic power loss. By Mike Mavrigian photos by author ENGINE OILING A street engine, and many race engines, utilize a “wet sump” system to deliver pressurized oil to the engine’s internal rotating and reciprocating assemblies. Engine oil is stored in the oil pan sump (the big [...]
Porsche Speed Record Run At Talladega We work and play with the big boys. by Mike Mavrigian photos by author Our three cars in the Talladega garage during testing week. As Forrest Gump often noted, you never know what you’re gonna get. In August and September of 2005, Precision Engine editor Mike Mavrigian was contracted [...]
STREET PERFORMANCE & RACING PISTON TECH Insight into the world of go-fast slugs. by Mike Mavrigian photos by author It should come as no surprise that piston technology has evolved over recent years, largely due to superior material availability and the advent of precision CNC-machining capabilities. While a custom piston order may have once required [...]
HANDY ASSEMBLY TOOL While I’m on the subject, here’s a very cool specialty tool that eases the pain of hose assembly. I just came across this tool recently, and I like it. It’s called the Koul Tool (aptly named). While you don’t absolutely need this tool, if you want to save your fingertips from needle [...]
SEALS/CRUSH WASHERS FOR STRAIGHT THREAD With NPT threads, simply apply Teflon sealing tape or compound. However, when using an AN adapter that features straight thread at one end, you need a sealing washer. Depending on the applications, you’ll need either an O-ring or a crush washer. O-rings are available in both Buna N synthetic rubber [...]
SPECIAL-PURPOSE ADAPTERS (Unique adapters for special applications) 90-degree dash AN male to straight-thread male (note sealing O-ring on straight thread). This adapter features swivel for rotation of male AN. 90-degree dash AN female to NPT male swivel. 90-degree dash AN male to dash AN female swivel. 90-degree dash AN female to dash AN female swivel. [...]
HOSE END STYLES Swivel-Seal straight hose end (Swivel Seal style allows full 360-degree rotation even after plumbing connection). Swivel-Seal 30-degree hose end. 45-degree low-profile hose end, for added clearance. 45-degree swivel hose end. 90-degree low-profile hose end. This neck style, as opposed to a tube neck, offers a shorter-profile if clearance is a concern. Swivel-Seal [...]
We answer all (or most) of your -AN questions. by Mike Mavrigian photos by author Dash sizes, or AN sizes, were first used in military applications, on aircraft, ships, etc., for hydraulic, fuel and coolant plumbing. The tough, braided/reinforced hose, coupled with threaded connections that were reliable in combat conditions, led early racers to buy [...]
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