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Depends on your budget and what parts you may already have. Either is fine and neither will be cheap.Pump gas go with the big block.Boost go with a modern hemi.
A 66 Charger should have an old school engine.Just my opinion.
The 346 was the introduction of semi hardened seats for the unleaded gas IIRC. Stock for stock I don't think there is much difference in flow.Still an open chambered head with cc's between 85-90cc in un modified form. The cc's you posted may be nhra blueprint spec/may not be but any open...
Let's see, Sharon Harris nuclear plant 30 miles away, Fort Bragg and Pope Air Force Base an hour away,Camp Lejune and Cherry Point 3 hrs away,and Seymour Johnson AFB maybe 2 hrs away. I sleep well knowing if it goes full tilt I won't feel a thing.
Every time I have run 2" headers I have slowed down.Tells me I don't have enough motor,stall,or gear. Or all three lol.
The first two applications were heavy street cars and it just killed the bottom end. One car I went to more gear and the other car back to the smaller headers.
My pig of a 72...
The best X pipe IMO was the Dr Gas X pipe.Seems they are now defunct. I ran the same one on two cars and sadly it was on my Polara when I sold it. I prefer the magnaflow tru x these days but they are triple the price of the China knockoffs.
1.Cheap knockoff
2. magnaflow
3. magnaflow 70 degree
There was a thread not that long ago on the A body site (I think) where someone had a rowdy big block with flowmasters and it was too loud and droney. He put long glass packs in front of the mufflers and it tamed it quite nicely. I was impressed with the difference and I am not a Flowmaster fan...
I have been selling tires for the last 18 years. My greatest fear is someone's tire coming off the car. In 18 years (we are a very busy shop) it has happened twice. Two times too many.
Ch4b had no problems on my 496 stroker clearing my C body flat hood with a factory air cleaner.Had no problems turning 6000rpm with it either. The Holley street dominator cleared as well but I opted for the bottom end of a dual plane on my heavy c body.
I think either would work well and the...
I would try what you have first. It would likely handle a 600 or 650 just fine. Get your headers and gears first and tune what you have before making another change.Just my opinion.
Any quality 11" stall converter will likely give you the "feel" you are looking for. Knowing which cam you have would be helpful as well as any other modifications to the engine. Something likely in the 2600 range would suit most purple cams well smaller than the 284/484 cam.
Cam and Lifters, Timing, Hydraulic Flat Tappet, Adv. Duration 262/270, Lift .462/.470, Mopar, 273-360, Kit
Everything else on your list is too large.
Many other things needed to support that choice as well.
There was an old issue of one of the Mopar mags years ago where they did a complete suspension upgrade on a 71-74 Charger and they ran 295/50/15 on the rear and 265/50/15 on the front. Mopar muscle or high performance Mopar can't remember which. I am pretty sure they ran 8" on the front but...
Beautiful! Buy it!! My first car was a 73 400 Charger. Non Rallye but with buckets and console.Mine was flat hood and had Rallye wheels. I would probably trade/sell my big block duster to find one just like it in this condition.