If you are planning a high-RPM racing motor, look toward 1776cc or larger. But for a reliable, punchy daily driver? The 1641 is hard to beat.
per side doesn't sound like much, it increases displacement from vw-1641-motor
That extra displacement provides a noticeable increase in torque, particularly great for driving in traffic or climbing hills. If you are planning a high-RPM racing motor,
You will hear people say 1641s run too hot or the cylinder walls are too thin. That is generally untrue, provided you don't treat your Bug like a dragster . The per side doesn't sound like much, it increases
Piston and cylinder kits are widely available and very affordable.
Technically, this is a "thin-wall" big bore kit for the standard 1600cc VW engine. pistons/cylinders. 1641cc: pistons/cylinders.
(e.g., Dual IDF/HPMX or dual Kadron carbs) makes a massive difference over the stock single carb. Upgraded Exhaust: A merged header/quiet pack system. ⚠️ The "Thin Wall" Myth