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Found a diagram of the cluster. Thanks. I think I can handle it from here.

67Dart273; “backfeed” was the word I was looking for. I jumped 12v from the battery to the IGN1 side of the ballast and it started right up and ran. And wouldn’t cut off! Oh yea, the jumper! Apparently the load in the IGN1 side is pulling the voltage down. I the DkBlu goes to pin 1 of the...

Yes. Was my plan. I’ll let you know.

I believe Wire to the relay and and Ign2 (assuming that is the ballast start side wire) are two separate paths from the switch. Because when I jump 12v to the Ign2 side of the ballast, the starter relay doesn’t click.

It runs in the run position. Fires up when the key is backed to the run position from start. Hardly ever starts while cranking. Have full voltage to the coil. Half voltage to the ECU while cranking.

Start over - ! Ha! Just wish is would start right! 73 Duster w electronic ignition. I Disconnected starter wire from relay so it wouldn’t crank. I put a test light on Ign2 when key on and it is half brightness. Turn the key to start and it goes full brightness. OK I put the light on Ign1 side...

Been dealing with this for a while. My car usually fires when the key is released to run. I think I’ve found the problem, and just want an affirmation. Believe my key switch is bad. When I turn the key to start, run voltage goes away. Is this normal? - I wouldn’t think so.

Yes I would. ! LOL! Think you found the problem.

Issue for me too. Rockers with ball, should be adjusted where ball falls in line with shaft center and roller axis center for initial measurement. Some folks just say “so many turns down” This line should be perpendicular to the valve stem at/about mid lift. - adjusted by shaft height. Which...

Apparently you want peer approval. And I’m not going to tell you how to spend your $$. BUT , Certainly any/all hot rodding practices will bring benefits. Raise compression, increase flow, bigger cam, add carb. - - I can’t see this from my house, but I say “Go For It”! What ever your bank...

Your valve springs will determine your limit. Make ‘em or Break ‘em.

That is not serious. But, good observation. Clean it up and the embossing, I feel, will make the seal. If there is concern, and depending on your assembly practices, a layer of copper coat would provide better sealing. It is a shame with parts shortage, that people have to “settle”. -...

OP Here. Great. It looked good to me, but I may have overlooked something. This turned into a brand and heat range thread. - brings me to……, Thinkin,… Iron heads should usually run colder plugs with increased compression. Aluminum, .. not so much. Exotic metal plugs are good for...

25 years of crap and shellac in the small orifices. Lean, not because of vac leak, but no fuel. Pull the idle screws out and hose the screw holes with carb cleaner. If that doesn’t do it, rebuild the carb. Damn, it’s been setting 25 years! Gas prolly smells like varnish. And probably is.

Opinion E-3 3.56 ?

Are there any issues with using the magnum type 5/8” drive spark plugs on the older LA heads that had 13/16” drive plugs? Dia, reach, and gasket all look the same to me.

I can’t name that noise in 1 hundred notes. Cell phone audio is hideous! You definitely have some bearing issues. Start over, check, measure and do it right.

musta been Danny Koker or Richard Rawlings that got it at that price.

A Good friend and neighbor has a great complete 67 GTX hemi car setting in a shed. And All kinds of hemi parts. Another down the road has 69 RT charger setting in the yard, with a mid 60s fury. -

I agree completely, but it sure is a waste. Guess, I’m just Jelly.

I know of a half dozen cars around here setting in yards, with this excuse. They all Been there for years. And parked in dirt, rotting from the bottom up. AND. - eventually it will be towed for scrap. - “going to do something with it”. - or it is gold. - That’s not gold, It’s Rust.

OP stated OBD I. I’m sure these behave differently. But - to figure this out , You would have to monitor real time w a scan tool. - Something will be out of whack. If not, something the old OBD I doesn’t monitor.

are those measured spring pressures? - and what was the open pressure height? Thx

I flushed my dirty *** cooling system and put in a 180* thermostat. Mistake. These are looking for 195 or they are in open loop mode- like the choke is on. Even had black smoke out the exhaust. - No code. - had to monitor w tool while running to figure it out.

yup, not technical, but elementary. - Good luck! - Have fun!

Stk magnum gasket will work good but are thick. Magnum gaskets are cut to hold push rods in place. You can use LA gaskets and pay attention during assembly. LAs come in all thickness and material flavors.

And if he doesn’t get them, - I will, how would you like payment made?

Heads, cam, - no one has mentioned ignition. - if you recurve w about 15* initial, you will see significant improvement down low and will idle like a happy cat.

When you take a 50 yo engine and rebuild it, everything is on the table. Sure, bore it. Raise compression? Why not. Cam it, yup, a lot to pick from. Intake? Yup again. Why run. 40lb cast iron? - the question is - what do you expect? Reliability? Or Race-ablity. Mpg? Torque? Options are out...

Sorry, had to go there.