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Frequently Asked Questions

Welcome to Burlen Fuel Systems Frequently Asked Questions Section.

This section contains a useful list of FAQ's that are categorised below. To view more information for any of the questions details below please click the question link.

Ordering Questions

Damper/Dashpot Oil
What type of oil should I put in the top of my suction chamber and how much should I fill it up?

Postage Costs
How much will I be charged for the postage of my order?

Parts Questions

Kit Contents
What parts are included in each of your SU kits?

Restoration Questions

Restoration Prices
How much will it cost to restore my carburetter or pump?

Restoration Process
What does your restoration service include?

Why restoration?
Why should i restore my Carburetter?

Servicing Questions

Float Height Adjustment Levels
What is the correct setting for the float height on my SU carburetter?

Spindle Bush Fitment
How do I fit new spindle bushes into my carburetter body?

Technical Questions

Carburetter Specification Sheets
Can i get an exact specification drawing for my car?

Flooding Carburetter
My carburetter floods all the time but I can't find a cure, can you help?

Leaking Jets
I have fuel leaking from the area around the main jet, what could be causing this?

Metering needle selection
What main needle do I need to cope with the modifications I have made to my engine?

Needle Valve selection
There are so many different types of needle valve, which one should I choose?

Piston Spring Rates
How do i measure the spring rate of the piston spring?

SU Fuel Pump Points Sticking
I have a new SU fuel pump and I suspect the points may be sticking. Can I check without voiding the warranty?

SU Fuel Pump Polarity
Does it matter which Fuel Pump polarity I order?

Web Site Questions

What is my Password?
What do i do when i have forgotten the password i use to access your web site?

Why can i not delete items from my shopping basket?
I can not delete or remove items from my basket by clicking the red cross, What am i doing wrong?

Why cant i finish my order?
Why can i not proceed to the checkout to complete my order?

Why have i been logged out?
Sometimes when ifrom the checkout screen to the payment screen the web site returns me to the home page and logs me out for no reason, why does this happen?


If you can't find what you are looking for here then please contact us.

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Special Offer
SU Carburetters Tuning Tips and Techniques. Also covers all SU Fuel Pumps. Covers a wide range of subjects including Overhauling and Fault finding Size Selection Dismantling and Assembly Jet Identification and much more.ABF781. £9.95 + Delivery.

SU Carburetters Tuning Tips and Techniques. Also covers all SU Fuel Pumps. Covers a wide range of subjects including Overhauling and Fault finding Size Selection Dismantling and Assembly Jet Identification and much more.ABF781. £9.95 + Delivery.


£9.95
(Ex Vat & Postage)


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