Carburetor upgrade can be one of the easiest upgrades to install. I recommend using a wideband sensor to fine tune the carburetor or having an expert using a dyno if aren’t confident. Dyno hire can start from around $100-150 per hour. Please note that an adapter plate is required to install a weber carb onto the stock inlet manifold, these are made by redline and cost around $50-70. Turbogemini has these (who sell the below carbs).
| Company | Model | Bufferfly Sizes | Power Estimate | Price |
|---|---|---|---|---|
| Weber | 32/36DGV | 32mm primary, 36mm secondary | 70-90RWHP | $400 |
| Repro | 32/36DGV/DGEV/DGAV | 32mm primary, 36mm secondary | 70-90RWHP | $290-305 |
| Weber | 38DGMS | 38mm primary, 38mm secondary | 90-140RWHP | $495 |
| Repro | 38DGES | 38mm primary, 38mm secondary | 90-140RWHP | $325 |
| Repro | 40DCOE | 40mm primary, 40mm secondary | 75-100RWHP | $360 |
| Repro | 45DCOE | 45mm primary, 45mm secondary | 80-120RWHP | $360 |
| Repro | 48DCO | 48mm primary, 48mm secondary | 85-130RWHP | $435 |