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  1. RockyPat

    400 Refreshing

    Hello everyone, I have a 1972 400 HP motor with a cast crank and 346 heads (double springs). I thought about doing a stroker (451 - with a 440 crank, or a 440 source kit, but I do not think I need to rebuild the engine). I would like decent power - maybe 350 HP and 400 TQ. More the better, but...
  2. RockyPat

    Acceptable Time Period for Date/Period Correct Engine

    Hello all, I have a 1973 Roadrunner that was built on 9/20/72. It is a 400 4 Barrel/727 car. The original 400 is missing. I want to get a date/period correct 400. I am looking at a 400 that was casted on 3/30/72. It was assembled on 4/18/72. Is this too much of a time gap? What is an...
  3. RockyPat

    400 Build Ideas

    Hello everyone, I am in the process of sourcing a 400 engine. The car already has a 8 3/4 489 Suregrip. It is an original big block car. I am thinking about different build ideas. 2 main options: 1. 400 with 383 crank and a mildly supped-up build. 2. 470 stroker from 440 source. Is it a...
  4. RockyPat

    440 Radiator Lower Hose Location

    Hello everyone, I have a 440 that I am going to swap into my 71 318 Charger, and I am having some trouble figuring out which 26" radiator I would need for my big block if I go that route. I have been told that some radiators have a lower hose on the driver side and others on the passenger...
  5. RockyPat

    Sidewinder Aluminum Heads

    Hello everyone I have been looking at aluminum heads for my 440. I have 906 heads that need to be rebuilt, so that is an option. I could also try to find some rebuilt iron heads that someone is selling as a cheap alternative. Really considering this option. I have read that aluminum heads are...
  6. RockyPat

    Settled for a 440

    Hello everyone, My engine dilemma is finally over. I picked up a 4006630 440-2 8T E HP block standard bore. Also got, a forged crank, LY rods, 906 heads, stock Chrysler 4 barrel RB intake, harmonic balancer, water pump, push rods, and main bearing caps. I paid $500 for the bundle as a...
  7. RockyPat

    Does small block AC compressor/system fit B and RB blocks?

    Hello, I have a 318 with its AC compressor and related hardware. Would I be able to use the 318's AC stuff on a big block? Does everything fit? Or should I be looking for big block AC stuff? This is for B and RB engines. Probably RB since I would like a 440. Thanks
  8. RockyPat

    Do 383 B accessories, brackets, and pulleys fit RB engines?

    Hello everyone, I have a 383 B engine with all these accessories: power steering pump and its brackets, alternator and its brackets, water pump, and pulleys associated with these parts and the harmonic balancer pulley. Would these accessories and brackets fit a RB 440? My 383 is bad, and I...
  9. RockyPat

    Best Small Block Stroker Kits

    Hello, I have been looking at small block stroker kits, and have found many ranging from $1300 unbalanced with a cast crank to $2000 balanced with a forged crank. I am looking at 318 and 360 kits for reference. Anyone have preferences towards a certain company or kit? Is it alright to go...
  10. RockyPat

    318 vs 360 vs 440

    Hello everyone, I have a 1971 Charger with a 318. I got a 383 with a 727 and two Edlebrock performer B and RB intakes. One of each. I was going to swap the 383/727 combo into my Charger, but the 383 is not going to be saved. Too much cylinder wall pitting, stuck, and already 40 over. I was...
  11. RockyPat

    451 Stroker Questions

    Hello everyone, I am doing more research on the 451 stroker combo of a 400 block and 440 crank. This engine would be for street use only. Is it much cheaper to find a 440 crank and make everything fit (machining etc.) into the 400 instead of a $2300 451/470 stroker kit? I have read that a...
  12. RockyPat

    (Almost) Runner 440 Advice

    Hello everyone, I have found a 1972/73 440 HP block that is said to have been running great before disassembly. The owner says the rotating assembly is good, and that I could probably hone the cylinders and re-ring the pistons and have a runner. The crank is a cast model from what I can tell...
  13. RockyPat

    383 40 Stamped Pistons and Corrosion

    Hello everyone, I have a 1969 383 R stamped non-HP motor. I got it for free, as it had been sitting outside for a while. Water got in it, and it’s stuck. I used a wire wheel to get rid of the rust and grime to see the condition of the cylinder walls. To my surprise I noticed that the...
  14. RockyPat

    383: Builder or Boat Anchor?

    Hello everyone, I have taken the heads off my 383 like I was advised to do on this forum and have found this: I have decoded that this engine was made in 1970 on October 13 during the second shift. R means regular gas - lower non-performance compression. I believe this motor was a 2 barrel...
  15. RockyPat

    What would you pay for this 440 & parts?

    Hello everyone, I found this 440 & parts bundle online for sale that supposedly came out of a 1974 Charger with a cast crank. What would you guys pay for the bundle considering its dissembled and the production year? Thanks
  16. RockyPat

    Frankenstein 383

    Hello everyone, I took the heads off my 383 yesterday that was sitting for decades according to the previous owner. According to the block casting, it was made in 1969. I was expecting 906 heads... BUT when I opened the driver side valve cover, I saw a 3751213 casting on the head. I looked...
  17. RockyPat

    383 stroker vs 440 stock rebuild

    Hello All, I have a 383 that is in need of a rebuild, and I fear that the crankshaft might not be salvageable. This would most likely mean stroker kit. I can do a 438 or 496 with 440source which would cost me $2300 + everything else to rebuild. OR, I could buy a 440 core for probably $500+ and...
  18. RockyPat

    383 Street Build - For Dummies

    Hello everyone, I recently scored a deal on a 1969 date code 383 4 barrel with a 727 transmission. The plan is to put this drivetrain in my 1971 Charger with a current 318/904. The 727 looks like it is in solid, rebuildable condition. The 383 has some wear from being stored outside for some...
  19. RockyPat

    440/727 Parts Car vs Buying 440 Separately

    Hello All, I am interested in converting my 71 Charger 318/904 car to a 440/727. I am looking at either buying a parts car complete with a 440 and 727 and all original accessories, or buying a 440 and 727 by themselves not in a car. For example, I have found a 1974 Chrysler New Yorker for...
  20. RockyPat

    Good Price for RV 440/How to identify a true 440

    Hello everyone, I am interested in purchasing a RV 440/727 combo on Craigslist to swap into 318/904 1971 Charger. It would be the engine and transmission connected to the frame. The other is for sale, but I believe the transmission hooked up to it is one that is not meant for cars. Either one...
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