Standard MGB is in the range of 170 – 180psi (hot engine, open throttle). Modified engines may be quite a … More
Category: Tuning
Cranking Pressure to Compression Ratio
I don’t know how accurate these figures are but i have always used them as a guideline only. They are … More
are Pre RB MGBs better for tuning? ……
Yes ….. according to Peter Burgess in the Distributors/Timing section of his book All you could want to know, and … More
HIF Carbs – MGB Register Forum
“Anyone who runs twin SU HiF carbs and finds them tough to tune should have a read of this from … More
Checking fuel mixture on #MGB
Below is an extract from the SU Carburettor Manual downloadable at https://mgb.tips/2019/02/09/downloadable-tuning-su-carbs/ The procedure also applies to HIF carbs as … More
Big Valve MGB Cylinder Heads – are they really better?
Based on the Power Tune book by Peter Burgess where he displays the results of the power outputs from different … More
#MGB Carb Balancing
I had been running on a pair of early HIF4 carbs – AUD616 to test out the benefits of ported … More
Checking Spark Plugs for Mixture
I had a good run in the MG during the week so thought a good time to check the plugs … More
Starter Motor Nudger!
There are several ways to turn the engine when setting rocker gaps. The usual are: To turn the engine by … More
How to tune your MGB – Classic Motoring Magazine
MG expert David Knowles shows the best way to tune and improve your MGB for modern roads but without losing … More
Spark plugs and what they tell you about your engine
Another useful article about how to interpret what your spark plugs are telling you about your engine. http://www.classiccarhub.co.uk/articles/spark_plugs.html Visit …. … More
#MGB Power Recipes
An excellent book that looks at many different options of power tuning the MGB with results backed up with dynomometer … More
Replacement #MGB Distributor – Are you sure?
Replacement Distributor Original Distributor The previous owner had a replacement distributor fitted in my MGB and I always suspected it … More
Gunsons Colortune
My old Colortune kit come in handy again to set mixture on the carbs I have recently fitted. Had the … More
How to tune your #MGB
Improving inlet manifold air flow on the #MGB
Having recently swopped carburettors I took the opportunity to check how well the joints between the carb and cylinder head … More
#MGB Distributor Curves – MGB Stuff
This distributor advance curve showing how many degrees the spark is advanced across the engine rev range for the 41610 … More
HIF4 SU Carb Tuning & Servicing Download
For the full document click the link below:- https://documentcloud.adobe.com/link/track?uri=urn%3Aaaid%3Ascds%3AUS%3Ab139272f-fd52-4572-b2fb-aa75cde27f3d Just noticed that item 9 on the pic refers to the … More
Vacuum advance pipe – Little Green Landy
An excellent post explaining why and how an engine needs the ignition advance – and how the weights inside the … More
Tuning for performance and diagnosing faults with a vacuum gauge
I’ve set the timing on my MGB using the vacuum gauge to great effect but not used it to adjust … More
SU Type HIF Carburetter – Dismantling, Inspection, Assembly and Tuning
I am in the process of stripping down and ‘re building a couple of HIF4 carburettors – AUD616 model which … More
Tuning the Lucas Distributor
https://www.jcna.com/tuning-lucas-distributor-0 A couple of interesting articles which cover the same distributors as in the MGB https://documentcloud.adobe.com/link/track?uri=urn%3Aaaid%3Ascds%3AUS%3Ad0b69444-5cbd-4fec-a66c-f1dc57593512
SU Needle Comparison Chart
http://www.mintylamb.co.uk/suneedle/ A useful database to compare needles. I used it to check the 3 sets off needles that I have … More
Tuning the SU Carbs – upgrades4mgs
https://www.mginfo.co.uk/upgrades4mgs/Engines/tuning_the_su_carbs.html An excellent article that I am following to modify and tune a spare pair of hif4 carbs I have … More
Modifying SU Carbs
I have a spare pair of SU carbs that I have been considering modifying which this thread from TenTenths Motorsports … More
Engine Stethoscope
Often it is difficult to identify exactly where a particular noise is coming from on a running engine. A useful … More
How to Power Tune MGB – a 5***** book
A book full of information on how different levels of engine tuning effects power output. Whether easy changes like K&N … More
pipercams.co.uk/Cams-And-Cam-Kits/
A guide to the codes used for the piper camshaft range as to the different profiles available and the suitability … More
MGB Period Tuning
MGB Period Tuning MGB Period Tuning A very informative article about the various stages of tuning the MGB by an … 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
