Front mount distributor drive with half cut drive flange for Big Block Chevrolet.
- More accurate ignition timing
- More carb/manifold clearance
- Improved distributor access
- Easier engine maintenance
- Forward camshaft thrust control
The Summers Brothers front distributor drive for small-block and big-block Chevrolet V-8’s solves the short comings of rear-mounted distributors. The accuracy of the ignition timing is improved, since camshaft twisting caused by valve train and oil pump loads does not affect the distributor. A front-mounted distributor is easily accessible, and offers more clearance for intake manifold runners and carburetors. Engine maintenance is simplified, since the manifold and cylinder heads can be removed without disturbing the distributor.
Any Standard Chevrolet distributor can be used with a Summers Brothers front drive without modification. Kits include a lightweight cast aluminum timing chain cover and a thrust bearing to control forward camshaft movement. Front mount distributors can be used with Summers Brothers gear drives. Aluminum 2 1/2″ spacers are available to move forward the water pump and crankshaft pulley.
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