Inliners International Forums General Discussion Hi Performance Strange modified head on eBay

In an "Accessory Trial" in the March 1952 Motor Trend, Griff Borgeson reported that the Rajo head increased the horsepower from stock 80.8 to 101.1. - do lump ports give a 25% increase? It had just the additional carb which could be adjusted to come in at any speed.
Price $169.50

Will