Steve, My understanding is that the distributor for a "LA" engine family will fit a "A" 318 family engine. I have a 56 Dodge D500. The only problem using the late model electronic distributor in the early Hemis and their Poly brothers is that the distributor shaft is a different length. I do not know if the electronic and points shafts are interchangable at the top end, to swap to get the correct length. The 318 family is a different series from all the earlier V8s. Also, I prefer to keep my engine stock appearing on the outside without funny cables and boxes, so I am using the stock distributor, right down to the red boot over the #1 plug wire at the distibutor cap. I did replace the 40 year old original coil with a Jacob's Electronics (800-627-8800) Energy Coil that fits in the original style coil brackets. I am still using dual points and now get greatly improved fast starts with this coil, and no noticeable missfire at high (5000) RPM, even with dual carbs. I think that if I change the breaker plate to a single point style, I can convert to a totally inside-the-distributor electronic system. I think I will try the Pertronix system, based on Ron Dulmage's sugestion. Dave Homstad 56 Dodge D500 ------------------------------------------------------------------------------- At 10:31 AM 12/31/98 EST, you wrote: >Lars, > Mopar Performance does indeed make an electronic ignition upgrade kit. It's >available from any dealer, or for much less money from the mail order houses, >or my friends at Mancini Racing in Detroit (if you've got a good buddy in the >parts department at the dealer, you may do better yet). The part numbers are >as follows: > >Engine Family Part Summit Mancini Mopar Perf > Number 800/230-3030 810/294-6670 (Dealer) >170-198-225 Slant Six Engines P3690789 $128.95 $129.95 $158.00 >3.9L V-6 Engines P4529402 >273-318, 340-360 Engines P3690426 $119.95 $119.95 $159.00 >350-361-383-400 Engines P3690427 $143.95 $139.95 $179.00 >413-426W-426 Hemi-440 P3690428 $143.94 $139.95 $179.00 > > The kits include the high performance electronic ignition distributor (with >performance advance curve and adjustable vacuum advance), the orange ECU >(electronic control unit), ballast resistor, wiring harness, electrical >connectors, and detailed instructions. > > The Feburary 1999 edition of Mopar Muscle (on your news stands now!) has an >article about Electronic Ignition upgrades. While they do mention the >aforementioned kits, this article focuses on a low-buck approach to the >conversion, using just the Mopar performance harness (P3690152), and ballast >resistor (P5206436), with the remaining parts coming from the local auto parts >store and the junk yard. > > I am unsure as to whether the "LA" style 318 and the older "A" 318 >distributors interchange. If nothing else, perhaps the newer guts could be >made to fit the older housings. If anyone has this information, please share >it! If I don't hear in the next few days, I'll check it out and advise the >group. I seem to remember a local fellow who had done this to his Poly 318, >and he was no brain surgeon. We'll figure it out! > > One last note for those of you living with poor fuel distribution - cross- >rams, etc... I run a Max-Wedge in my Barracuda, and the Max-Wedges are >notorious for poor fuel distribution at at low RPM's (street driving). I >chose to use a remanufactured electronic distributor, modified the advance >curve to suit me, then used a Crane HI-6 Ignition control. The HI-6 is a >multi-spark unit (similar to MSD), that fires the spark plug up to 12 times >each compression cycle during cranking. "At idle and cruise, the number of >sparks is adjusted to maintain a spark duration of 20 degrees (crankshaft) >assuring smooth idle, improved throttle response, and eliminating lean surge." >(quoted from the instructions) > > Let it suffice to say I no longer suffer from snotty idle or sluggish >throttle response.. she idles smooth and cracking the throttle open is like >pulling the trigger on a rifle. Turn the key and the car is running - it >nearly explodes to life! Want to hear what my engine sounds like cranking? >Sorry, can't help you. Once after adjusting the carb linkages (and >subsequently bumping the accelerator pumps repeatedly) I was sure I was going >to have to install clean plugs to get her to start. Turned the key... ZOT >ZOT RRRROOOAAARRrrrrrrrr. I love it! > > Hope this helps - good luck! > >Steve > > Dave |