View Post

Fabrication time | BACKYARD MECHANICS

In Tech by fullboost

Switching from a bridge-port engine to a Semi-PP 13B means we need to make a few fabrication changes under the bonnet of our Project Redline Mazda 626 13B turbo rotary. If you’d …

View Post

How Rotary engine porting works

In Tech by fullboost

When it comes to rotary engines, although they may all look quite similar, inside they can be quite different. In this video we break down some of the different aspects of porting …

View Post

Inside Higgins Race Developments

In Feature by fullboost

Well known cylinder head specialist Nathan Higgins of Higgins Race Developments uncovered. HRD was the first Australian company to manufacture a 6-bolt LS cylinder head and in more recent times are now …

View Post

Street RX-3 wins APSA Pro Rotor

In Drag, Video by fullboost

Well done to Ross Puliafito for taking out the Pro Rotor class at the Melbourne round of the APSA Pro Street Association championship round. The Mazda RX-3 is powered by a Promaz …

View Post

Flat Shifting Mazda RX-4 13B turbo

In Drag, Video by fullboost

We spotted Ryan’s Mazda RX-4 at a recent street test session at Calder Park. The car features a Promaz 13B bridge port rotary engine, Garrett GTX42R turbocharger, E85 fuel and a Samsonas …

View Post

Mazda RX-7 on-board | WTAC

In Circuit, Video by fullboost

Jason Dorrington’s time attack RX-7 cutting a lap at last year’s World Time Attack Challenge practice day at Sydney Motorsport Park. The car was suffering from a little electrical noise during the …

View Post

TUFSS3 Nitrous shakedown runs

In Drag, Video by fullboost

Tim’s TJH Performance SS performing a few shake down nitrous runs at Calder Park. The LS powered Holden Commodore is equipped with Higgins HRD 6-bolt LS7 cylinder heads. #LSTHEWORLD tees now available …