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    440 Source Head Opinions?

    Last I checked 440 Source was run by Mopar enthusiasts in Carson City, NV. It's a small miracle that somebody out there scoured the earth for a way to provide new parts for 40+ year old engines so we can put them in our 50+ year old economy cars. I'm sure they would make them closer if they...
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    440/505 rpm limits

    Rev it until it explodes, note failure RPM. Rebuild, and set rev limiter 500 RPM lower than previous failure RPM.
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    440 Oil Weight

    The weight of motor oil is approximately 7.0 lbs/gal. The "w" on the label means "winter" which describes cold environment viscosity (resistance to flow).
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    Grooving lifter bores

    THIS!!! Many times older engine parts like bearing shells get superseded by later specifications. In our case, replacement rod bearing inserts for LA engines are typically Magnum engine parts. While they may physically interchange, they are not always backwards compatible. The oiling...
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    440 heads whats better??

    So without knowing more about what you actually have now it's pretty hard to say where the first $3000 should go. Do you expect to be able to drive the car for $3000? You could build a basic 450 horsepower 440 for $3000 with the 906's. But the chassis and rest of the drive train will need...
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    BB Mopar head design ??

    In 1957 the priority was an engine that was economical to produce and expandable to larger displacements in the future. The heads did get a performance redesign in 1964, and the 426 Hemi was born.
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    PRW rockers ever heard of em?

    If not catastrophic, the off-center contact will cause enough guide side loading and wear to pretty much wipe out any advantage they may have provided. So now you just have rockers that weigh more, cost more, and dump more oil into the top of the engine.
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    413 marine industrial (E) engine, to, not so industrail......

    Are you using a raw water cooling system?
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    Porting question

    If you have an oxy-acetylene torch, could replace the epoxy with brass.
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    Will the 505 cause a volcano in Challis, ID?

    it'll be farther east as evidenced by mass bison migrations around Yellowstone
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    401 jeep into my dart

    But, if you are determined to swap in the 401, an AMC pattern 727 should be easy enough to find. Plenty of 79-later Wagoneers in junkyards.
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    Big Block Torsion Bar Selection

    If you even think you might ever go around a corner with the vehicle in motion use the bigger bars. The smaller bars might (arguably) be a bit better on the strip, but they would be crap on the street.
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    Is connecting rod bushings needed?

    Why not just run pressed pins?
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    Lets play, "How Much Did It Make"

    Torquey Bastard?
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    Exhaust in 66 abody

    You're definitely on your own. I don't know of any off-the-shelf header to put an RB engine in an early A, much less an underchassis header. A 440 into an early car has been done, but it's not a popular swap for a reason; it really doesn't fit well. Have you considered flipping C-body...
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    Bore Gauge Help

    Was the engine running before you removed the cylinder heads? Did it do so without excessive blow-by (crankcase pressure)? If so, you could remove the ridge, hone the bores, replace the rings with the appropriate size and it will run again. The engine would by no means be new or rebuilt...
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    My 383's toast

    Naw, you can replace rings all you want, they're disposable. You need to at least break the glaze on the bores so the new ones seat. A simple hone and electric drill will suffice. Same with bearings, the inserts are disposable. Polish the journals with some 600 grit and a shoelace. CLEAN is...
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    My 383's toast

    It looks like an engine that has sat for quite a while. Moisture has caused the carbon to come loose, and corrosion to form. I started a 53 Chevy truck once that must have looked about the same inside. Long story short, I'm glad we aired up the tires before we cranked it, as all the carbon...
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    power valve makes my 440 ping??

    I don't think Holley recommends mounting their regulators on the engine, so vibration might be an issue (although I doubt it), ask Holley. You also have an obscene amount of rubber fuel line, which can break down inside and send bits of crap throughout your fuel system. Not sure what coil...
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    power valve makes my 440 ping??

    Oil consumption? Are you running a factory style PCV system? Make sure your EGR removal isn't leaking, also given the healthy skim on the heads, make sure your ports aren't leaking at the bottoms under the valley tray. If you are pulling even a small amount of oil into the intake, you'll...
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    Lucas Response To Zinc Additive

    You asked for a sales pitch, and got it. Ask just about any company WHY you NEED their product and you will likely get a similar response. They are in business to sell a product, nothing more, nothing less. Most browsers and email programs have a pretty good spell checker built in. I find...
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    BB 440 Mileage?

    A big block with 4.10 gears will be a lot of fun, good luck keeping your foot out of it! Seriously, if I had to WAG a guess I'd say 10-12. Do something to bump the compression and you might crowd 14 if you drive like a grandma and keep under 50 MPH. Bump the compression and re-gear and...
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    young gun engine build help

    1. Get thy hands upon an NHRA Rulebook and heed what it does say. There are quite a few chasis and safety modifications required by the time you get into the 10's. 2. Doest thou intend to drive this on the street? You mentioned pump gas. 3. Ist thou made of money? You can run 13's...
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