It might seem that the intake manifold is one of the simplest components on an engine. After all, the purpose of the intake is to provide a series of passages to join the carburetor with the intake ...

Without question, cylinder-head porting is a science. The act of removing metal from the intake and exhaust ports to increase airflow has been used for decades, and in most cases, a skilled head ...

Contrary to what you might have learned in bench racing, larger port size does not always mean more power. Port shape is the key to power and when that power becomes available. Cylinder-head porting ...

A flagrant case of misaligned ports indicated by the carbon formations. During the course of building, modifying or merely "sharpening up" an overhead valve V8 engine, the question of intake port ...

Cylinder head porting is one of those garage mods that lives somewhere between speed-shop legend and flow-bench science. Also referred to as port and polish, the idea is simple: Open up the intake and ...

SAE Transactions, Vol. 103, Section 4: JOURNAL OF FUELS & LUBRICANTS (1994), pp. 853-868 (16 pages) The paper presents a computer simulation of flow and heat transfer phenomena in the intake port of a ...

Engine startup experiments with intake port sampling were performed in a modified fuel injected single cylinder gasoline CFR research engine. Immediately after fuel injection, port fuel-air vapor ...

I worked as a machinist in an automotive machine shop in the early 1980s before my career took me into the aerospace sector. The shop's high volume of mundane engine rebuilds and turning brake drums ...

Tata Motors has been granted a patent for an air intake port designed for lean-burn gasoline engines. The invention features an air inlet, two outlets, and a channel with a common duct and bifurcating ...