Accel 59107 Installation Instructions Manual
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1ACCEL IGNITION www.accel-ignition.comPERFORMANCE ELECTRONIC DISTRIBUTORSINSTALLATION INSTRUCTIONSFORM 0094A (REV. D) 10/11These instructions apply to the following ACCEL products:59107 & 59107C Performance HEI Distributor for standard deck heightChevrolet enginesThe following parts are included in this package:1 59107 or 59107C Performance Distributor1 Coil Hardware Kit (59107 only)1 Coil Mounting Kit (59107 only)Thank you for choosing ACCEL productsA highly trained technical services department is maintained byPrestolite Performance to answer your technical questions,provide additional product information and offer various recommen-dations. See your local ACCEL retailer for specific prices.Prestolite Performance10601 Memphis Ave #12Cleveland, OH 44144(216) 688-8300 ext. 500Website: www.mrgasket.comHOW TO INSTALL YOUR ACCELPERFORMANCE ELECTRONIC DISTRIBUTORACCEL Performance Distributors are direct bolt-in replacements butoffer improved performance and fuel economy potential. Althoughinstallation is easy, reading these instructions BEFORE STARTING THEINSTALLATION, will assure that you’ll be able to take maximumadvantage of all the performance your ACCEL Performance Distributorwas designed to deliver.Step 1 – After unpacking the distributor, check it for any damage thatmight have occurred during shipping, then remove the cap.Step 2 – If the distributor to be replaced has not already been removedfrom the engine, pull the cap off. Unplug the pickup-to-coil harness fromthe cap. Do not remove the plug wires at this time. Crank the engineslowly until the rotor blade is pointed at a fixed point on the engineor firewall.Step 3 – Unplug the distributor-to-ignition harness from the cap.Step 4 – Note the position of the vacuum advance canister. Put areference mark on the engine or firewall so that the new distributormay be easily installed in the same position.Step 5 – Loosen and remove the distributor hold-down bolt and clamp.Lift the distributor out. If the engine has been running within the past fewminutes, the distributor housing may be hot and coated with hot engineoil. Wrap a shop towel around the distributor to avoid burning your handsand dripping oil.Step 6 – Lower the new distributor into position. The rotor should bepointing at the same fixed point as the discarded distributor and thevacuum canister aligned with the reference mark.After the distributor has been lowered into place, you may find that ithasn’t seated firmly against the support boss. This indicates that thelower end of the distributor shaft is not properly aligned with the oilpump drive rod. Do not attempt to force the distributor into position.Step 7 – Reinstall the hold-down clamp and thread the bolt in justenough to exert a very slight pressure against the distributor. If thedistributor is not firmly seated, rotate the engine until it drops downinto place.Step 8 – With the distributor properly seated, tighten the hold-down boltjust enough so that the distributor is held in place, but can still be rotatedwith a little effort. Again, make sure that the vacuum canister is alignedwith the reference mark.Step 9 – Remove the spark plug wires one at a time from the old capand install them in the corresponding positions on the new one. It willalso be necessary to transfer the coil and coil cover from the old cap tothe new one (59107 only). After all wires have been transferred, verifythat the wire in the terminal post that is aligned with the rotor leads tocylinder number one. If you are unsure of cylinder number position orfiring order, this information can be found in the service manual thatcovers your particular engine. Install the distributor cap.Step 10 – Reconnect the pickup lead connector and the distributor-to-ignition harness into the new distributor cap.Step 11 – Connect a timing light. Start the engine and allow it to warmup sufficiently to idle smoothly. It may be necessary to rotate the distributor(either clockwise or counter-clockwise) before a smooth idle can beachieved. If the engine will not idle smoothly, the firing order may beincorrect or the rotor may not have been properly aligned duringinstallation. Consult a service manual for corrective procedures.Step 12 – Consult the appropriate service manual to determine thefactory recommended initial timing and idle speed. Set initial sparktiming with the vacuum advance line disconnected and plugged.Advancing timing two to four degrees from the factory setting will usuallyprovide improved performance and fuel economy. However, timingadvance beyond factory specifications may result in detonation, whichcan cause engine damage. Listen carefully - if you hear the engineknocking or pinging, retard initial timing as required to eliminate it.Step 13 – Insert the supplied 3/32” hex wrench in the vacuum canisternipple and rotate the adjusting screw counter-clockwise until it bottomsagainst its stop, then turn four complete turns clockwise. This is approxi-mately 7” dist. (14” eng.) at approximately 12” vacuum. This is a startingpoint for the vacuum advance adjustment. If surging or pinging is noticedat cruise RPM, turn the adjustment counter-clockwise until condition isno longer noticed. If more advance is needed, turn adjustment clockwise.TIPS FOR INCREASED PERFORMANCEAND GAS MILEAGEMost distributors are equipped with two spark advance mechanisms.Centrifugal or mechanical advance is controlled by engine speed - asengine RPM increases, so does mechanical advance, up to a point. Thetotal amount of mechanical spark lead (which varies according to theengine) is limited by a stop in the advance mechanism.Vacuum advance is regulated by manifold vacuum which is a function ofthe load placed on the engine. Under light loads, such as when cruisingat a steady speed on the highway, an engine can tolerate more sparkadvance than it can when under a heavy load such as when climbing ahill or accelerating at wide open throttle.Vacuum advance rate may be adjusted. Again, the procedure is to run asmuch advance as the engine will tolerate without detonating. To increasethe vacuum advance rate, insert the supplied 3/32” hex wrench in the |
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