A+ version is ALDON-YELLOW+
Too many people think the only way to improve performance is to tear the engine apart and upgrade something., typically the camshaft, but if you are still using that 20 year old distributor you aren't doing the easy stuff first! Distributors are mechanical moving devices that must be precise to maximize performance.
The Aldon Yellow distributor is a modern version of the old Special Tuning high performance "S" distributor. With full centrifigal advance, it has a 12 degree advance plate and a total of 24 degree total advance. The curve is faster than the "S" and thus is slightly quicker in engine response. Works great on and off the track.
For non-APlus version see ALDON-YELLOW.
If you want the Aldon Yellow with vacuum advance for a non-A+ engine, see C-27H7768.
Once the engine has been modified, it will invariably require a different ignition curve; especially when compression ratios have been raised and camshafts changed. There is no substitute for a tailor-made distributor determined by an engine or chassis dyno session; however, this can be prohibitively expensive! We offer the Aldon Automotive range of distributors for A Series engines.
Once the engine has been modified, it will invariably require a different ignition curve; especially, when compression ratios have been raised and camshafts changed. There is no substitute for a tailor-made distributor determined by an engine or chassis dyno session; however, this can be prohibitively expensive! We offer the Aldon Automotive range of distributors for A Series engines.
Pre A plus-Distributors specially designed to run on modern day fuels that have extra oxygenates (added pre 1990's) and current 2015 ethanol levels. These are priced to save rebuilds or vac units that no longer give correct ignition timing and best achievable fuel consumption. If you want to get the most from the performance of your engine a very good distributor is a must! Replaces 41824A and 41418 plus any 998/1098cc up to the changeover of A plus type distributors
These new units are PRE A PLUS.The originals were made for 998/1098cc even allegro and Maxi 1500/1750cc from 1974 to 1977 and they work fine on any other year 998/1098cc minis also. Also fits Sprite, Midget, and Morris Minor.
Most A-Series cars had a vacuum advance distributor, only the Mini Cooper S 12G2140 had a full centrifugal version. The vacuum is designed to retard the timing under heavy load thus decreasing the chance of detonation. These units are guaranteed to out-perform your old tired version. The best test is to put a timing light on your car and watch as timing marks on the flywheel dance and bounce around as the engine changes speed, etc. Install a new distributor and try it again!! All the bounce will never go completely away as long as you are driving the distributor through a timing chain gear set to the crankshaft.
A Plus Vacuum Distributors equivalent lucas number 41907-for 1988 lead free and replaces AAU9142 and lucas 417658-when flat top pistons or high compresion. For 998cc A+ Blocks.
The modern demands of fuel economy and performance with the very poor petrol available today often makes a "vacuum advance" distributor a must.
Originally fitted from 1989 on or for use with 10-1 high compression piston ratio on the original lead free factory engines..
For 1275 A plus engines see ADU3825.
Remanufactured stock distributors are good as new at half the price. As a distibutor wears out the control of ignition timing is increasingly difficult. While it is an easy project to replace the points and condensor, the distributor shaft and bushings that is worn will result in poor running, lower gas mileage and could even cause hard starting. One of the best methods to determine the condition of your distributor is to simply use a timing strobe light and watch the timing mark on the flywheel at verious RPM's. It by the very nature of a mechanical system will show a 3 to 4 degree 'boucne' of the timing mark. As the distibutor wears out, this bounce could get to the point that it exceeds 10 to 15 degrees.
A+ version is ALDON-YELLOW+
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870 Gold Flat Rd.
Nevada City, CA 95959 USAOrders: 800.946-2642
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