Yes ….. according to Peter Burgess in the Distributors/Timing section of his book All you could want to know, and … More
Category: Carb and Vac Advance
AUD616 SU MGB HIF4 Carburettors – with vac port.
Won these two rare carbs off eBay. They are the sort that have a vacuum port for the distributor advance … More
HIF4 carbs (AUD 616) as fitted to early rubber bumper MGBs
Parts for AUD 616 for MG M.G.B 1798 cc – SU Carburetters – SU Carburetters This is the carb that … More
Vac Gauge and what it tells you.
Nice easy project mainly because i had already got the gauge years ago and it has been in a garage … More
Vacuum Advance Connection HIF 4 – carb or manifold?
Vacuum Advance Connection HIF 4 | MG MGB Technical | MG-Cars.info Quite a debate on the merits of manifold or … More
Vacuum / Ignition Timing
I have been reading articles and discussions on forums that setting timing to 40+ year old manufacturers guidelines has no … More
Vacuum Gauge Ignition Timing
Suck It And See.pdf Beginning to think this is a better way than the timing light on our older classic … More
Removing twin carbs as one!
An advantage of fitting the K&N filters – apart from the performance gain – is that you can remove the … More
Distributor Advance Curves
It’s interesting to see the big difference in the advance curves in the early 25D4 and later 45D4 distributors. Looking … More