Archives: Bob’s Blog

Bob’s blog.

New MFI jetting calculator site: mficalc.com

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Our ProCalc mechanical fuel injection jetting calculator was transferred to our new site: mficalc.com. All related services to our product were transferred as well, such as our fuel injection consulting service. Site services review: MFi calculator description: mficalc.com/mfi-calc/ MFI calculator consulting services: mficalc.com/mfi-consult/ MFI calculator website description: mficalc.com Air density calculater: mficalc.com/da-calculator/ Tech articles: mficalc.com/articles/ […]

AutoRama Custom Car Show, Sacramento, Ca, USA 2024

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Time for the AutoRams Custom Car show at the Cal Expo in Sacramento, May 3-5, 2024. https://rodshows.com/sacramento-autorama/ Hundreds of autos, sprintcars, drag cars, custom cars, motorcycles, boats, and many other vehicles will be on display. Motorsports supplier booths are throughout. As usual, many great food vendors are available to feed us throughout the show. Entertainment […]

NA Racing Engine Intake Design vs Cylinder Volume

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Normally aspirated (NA) racing engines are popular throughout the world, both in land and water motorsports.  When the intake valve opens in this design, the piston changes direction from exhaust evacuation to intake inlet.  As the piston goes down the cylinder, air pressure drops.  Atmospheric pressure that is higher is outside of the engine.  That […]