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Fuel Systems
Created: February 11, 2014
Carburation and Interchanges , What is the correct carburation that you should use on a Mini? Many options can be used, from SU, single, duel, and Weber.
Tuning your WEBER DCOE-Style Carburetor
Created: February 04, 2011
So you have a nifty Weber DCOE or S&K Racing sidedraft carb setup for your vehicle. You're ready to chew gum and kick butt, and you've run out of gum. You bolted on the carb in place of your SUs or Zenith-Stromberg and voila! You have worse gas mileage, and the power gain is slight enough to be psychological.
How to Improve your Mini MPG
Created: May 12, 2008
In today’s’ world of sky high gas prices with no end in sight it is not uncommon for owners to be saying to themselves that it is time to drive the Mini daily to save a little money on fuel cost. When was the last time you checked your gas mileage?
Weber Carburetors Float Level - DGV / DCOE
Created: April 27, 2007
The float level is a critical part of carburetor calibration. Changing the fuel level in the bowl will change the point that the main circuit starts to feed, alter the characteristics of an emulsion tube, and affect drivability and fuel consumption.GENERAL INSTRUCTIONS: Float level, in mm, typically...
WTCC Carburetor
Created: November 09, 2005
Weber wtcc carburetor pictures and diagrams
Needle codes for SU carbs
Created: May 21, 2005
Here are a selection of needles codes and the vehicle specs that they were used in...
Carburetors: Conversion from Injection to Carburetors
Created: April 15, 2005
In the history of the Mini the drive to keep the product alive and marketable meant the factory decided to modernize the fuel system of the Mini from Carb to Fuel Injection. Thus in 1991 the first FI was installed on the Mini. Know as Single Point Injected or SPI for short, the system also incorporated its first ECU into the car. This version of the Mini was produced until late ’97 when it was changed to the Twin Point injected version (also know as a MPI Mini.
A Basic Guide to Electronic Fuel Injection for Minis
Created: February 16, 2000
If done properly, converting your Mini to EFI can have many benefits. The EFI Engine Control Unit (ECU) can control all aspects of the combustion of the air/fuel ratio under all conditions. For each and every load point throughout the rev range that the engine may experience, the EFI ECU can calculate the optimum timing and delivery of fuel as well as precisely when ignition will take place by supplying spark at exactly the right time in order to maximise power and torque.
SU Fuel pump, FUL117
Created: January 30, 2000
If your pump came to you with a warning label advising that Correct Polarity be observed, this sheet is for you.If you have converted your car to negative ground, and if you have a pump marked as above, you must also modify the pump to work properly with your electrical system.
Weber & SU Inlet Manifolds
Created: January 30, 2000
Weber and SU Intake manifolds are explained. Recent development has recently encompassed a detailed look at the manifolds available for side draught carbs. The steel inlet manifolds available have long been acclaimed the very best, out-performing all the alloy types by far.
Weber carb information and part no.
Created: January 30, 2000
One of the common problems where sidedraft carbs are involved is the choice of carb size in the first place and choke size in the second. The trick with carb sizing and choke selection is basically one of choosing a size which provides the engine with the airflow it needs without going over the top.
Carburetors Installation of HIF-6 or HIF-44 Carburetors
Created: January 29, 2000
The HIF-series carburetor differs from the HF-series primarily in: 1) The design and location of the float chamber, which has been incorporated in the body of the carburetor, and 2) The introduction of temperature-sensitive mixture control (a bi-metallic strip fitted to the jet adjusting screw mechanism) to compensate for varying fuel densities resulting from changes in fuel temperature.
Synchronization of Twin SU HS-type Carburetors
Created: January 29, 2000
Before proceeding to synchronize your carburetors and for best results, some preparation is in order. Your carburetors should be in peak condition with no play in the throttle shaft bushings. If these bushings are worn, synchronization is difficult or impossible to achieve since there will be a vacuum leak past the bushings. Additionally, the jet needles should be identical and correct for the application; adjusted to equal and correct seating in the piston and centered in their jet bores (if not centered, you will feel a bind when moving the piston up and down).