Carburettors, Cleveland Heads and Cubic Inches Explained | Muscle Car Museum
Week 5 · Under the Bonnet

Carbs, Cleveland Heads & Cubic Inches

The Jargon, Decoded  ·  Gold Coast

Spend five minutes around muscle car fans and you'll hear a language all of its own: four-barrels, Cleveland heads, cubic inches, high-rise manifolds. It sounds intimidating, but the ideas behind the jargon are surprisingly simple.

Here's a friendly translation, so next time you're standing in front of a 351 Cleveland you'll know exactly what everyone's getting so excited about.

CarbsFuel + Air
HeadsHow It Breathes
Cubic In.The Size
351Cleveland

Carburettors: The Mixers

Before computers ran engines, the carburettor did the job of blending fuel and air in the right amounts. A 'four-barrel' carb simply has more openings to feed the engine more mix when you plant your foot — more breathing, more power. 'Twin four-barrels' means double the appetite.

Cleveland Heads: The Breathing

The 'heads' sit on top of the engine and control how easily it can breathe in and out. The famous Ford 'Cleveland' design had big, free-flowing ports that let the engine gulp air — which is a huge part of why a 351 Cleveland makes such serious power.

Cubic Inches: The Size

Cubic inches simply measure how big an engine is inside. More cubic inches generally means more potential power — which is why numbers like '327' and '351' are worn like badges of honour.

Strip away the jargon and it's all one idea: help the engine breathe, and it'll reward you.

See the Jargon Come to Life

Point at a real Cleveland V8 and sound like an expert, open daily on the Gold Coast.

Adult
$20
Couple
$35
Family
$40
Book Your Tickets
76 Bundall Road, Bundall QLD 4217 · Open on the Gold Coast