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Austin Mini distributor 25D with vacuum advance unit

Austin Mini distributor 25D with vacuum advance unit

Austin Mini distributor 25D with vacuum advance unit
Selected: 25D Pre-A+ Distributor, NEW, Not rebuilt
Part No: GEU930
SALE Price $123.28
List: $136.98 You save: $13.70
Discounts Do Not Apply
Fits the following:
Classic Mini
Sprite & MG Midget
Morris Minor
Alternate Products
Austin Mini 25D electronic distributor with red powermax rotor PRE A+
$219.56 Austin Mini 25D electronic distributor with red powermax rotor PRE A+
A Non Genuine reproduction distributor with vac-unit suitable for 850/998cc. With modern day curves it even works on 1275cc. A worn out distributor can cost you both performance and economy. Precise spark timing and distribution is the job of the distributor. Merely replacing the points and condenser will not fix the chronic problem of worn out bushes and shaft. These look like the originals apart from vac unit with push on connector.

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.
Related Technical Articles:
Classic Mini Cooper Distributors & tune-up parts page 46
Created: December 28, 2018
Improving Your Mini Cooper Gas Mileage
Created: August 06, 2008
Improving Your Mini Cooper Gas Mileage
Initial ignition Timing Set-Up and Distributor Guide
Created: September 25, 2000
Any deviation away from the original standard engine specification, or where a dizzy from another source is used in the engine you have, the ignition timing will generally be different from that set by the manufacturer.
Created: September 15, 2000
Any dizzy can be set to get maximum power. No problem. Unfortunately that's only one spot on the whole power curve/rpm range. If the curve isn't right elsewhere, the engine will be either loosing power - in some instances by substantial amounts - or detonating its self into oblivion and a costly re-build.
DISTRIBUTORS - working basics.
Created: September 15, 2000
To maximize power and economy potential from any engine, burning the compressed fuel/air mixture at precisely the right point throughout the engines entire rpm range is essential. This ‘point’ is generally somewhere before the piston reaches TDC on its power stroke described in degrees - i.e. 10 degrees BTDC.
DISTRIBUTOR - Electronic ignition
Created: September 15, 2000
Since the A-Series has such an efficient combustion chamber design, the standard points set-up is perfectly capable of providing sufficient sparks for effective combustion when new. And this is the problem. They require regular servicing to maintain maximum performance. This can be a chore, so is generally neglected.
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