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The reason Multi spark was used at low rpms with CD ign is because the CD spark is about 1/10th the duration of an inductive ign spark. At low rpms, a long duration [ relatively ] spark is needed & a single CD spark could cause misfire. Hence, multi spark. Nothing to do with 'cross fire to the...

The shims will wear the alum pedestal, post #8? Don't think so..... The original 1958/9 factory heads came with alum blocks pushed onto the shaft & acted as the hold-downs. No shims used, rockers in contact with the alum..& no wear. Not sure what year the alum blocks stopped.

When you rev the engine after setting timing....does the engine come back to the same idle rpm? If yes: sounds like the centri weights in the dist are sticking If no: higher rpm, sounds like weights could be advancing with the rpm. Disconnect & plug the PCV port. Try again, report back.

..And HEI modules are super cheap. If you are worried about failure, you can piggy back a spare module one onto the operative module. 5 min to swap 4 wires if needed... A no brainer....

Turbine, Nope, you do not want to trade current for voltage. It is the heat in the spark that ignites the mixture, & the heat comes from the current...

HEI....

RJ, I haven't changed my opinion at all. Read what I said: if retaining the factory coil, bal res MUST be kept. HEI is internally current regulated to 5.5 amps; some electronic device, not a bal res, is INSIDE the module limiting current. You get the BEST from the module by using a low res coil...

Post #15. An outright LIE. When I bought my GTO in 1995, it had the original points system; engine had 129,000 miles on it. I had many Chrys elec parts left over. I modified the GTO dist to take the Chrys reluctor. Original GTO coil was retained. 5 pin Chrys ECU was used with dual bal res. Ign...

I would not worry about it. You have the thrust washer there to take up clearance. What I would be concerned with is that the roller tip is centered on the valve, & that may require r/shaft shims.

Best bang for the buck is electronic, using the HEI 4 pin module. Module can be mounted via heat sink onto the dist body. Neat & compact. You can use your original coil but you will have to keep the bal res, which becomes a failure point. If you use an E core coil like the MSD #8207, you can...

Rad cap for a recovery system is different to the standard cap. Make sure you have the correct cap. If the rad is old, it may be blocked with sludge. Flushing it out does NOT guarantee that all the sludge will be removed. The PROPER way is to take the rad to a rad shop. They will remove the...

Oh, the ignorance....

Edel 800 AVS2 carb. Do not go too big with a 3.23 rear end. You have the Torker intake, which means all 4 carb bbls are accessed by each cyl. If you had a dual plane intake such as Performer or RPM, only half the carb is accessed by each cyl.

I am/have been talking about pre-computer era cars. Not computer era cars. Popping noises from the radio or audio device. If your car uses a relay for the headlights [ most do ] & has radio, you can try this 5 min test...... Switch on the radio & then switch on the headlights. There is no...

It looks pretty corroded. I would keep the pump shooter. It is a very effective design that mixes air with the fuel. Can be used on ANY AFB/AVS Carter or Edel carb. The idle mixture screws are behind plugs, very difficult to locate & probably rusted in place. Carb probably only has value for...

Charrlie, I am totally correct, not partially correct. You need to brush up on your reading skills...& electrical theory which is sorely lacking. [1] I never mentioned ' back' current, only back EMF. That is one you 'made up' [2] The current draw IS relevant [ which is why I...

Not nonsense at all. If you have installed hundreds of diodes on 30 amp Bosch relays, then you have wasted hundreds of diodes...

Millions of engine with flat tappet cams were sold without buttons....& lasted just fine. You should remove the button because: - it is not needed - just another part that could fail

You should not need a proportioning valve with disk/disk...or drum/drum. The proportioning is done by piston size. Proportioning valves only came about when disks were used with drums because disks need about 50% more pressure, all else being equal.

The Carter in question [ #96367 ] has a 5" airhorn, as do all the Edel AFB/AVS carbs, same as the Holley.