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  1. harrisonm

    Headers vs. Manifolds

    Wow; you have gotten a lot of GOOD advice here. The good advice is given by a lot of people who are telling you how they would probably do it. Ten different people will think ten different ways. Here is my input. @Demonracer says you won't miss the horsepower on the street. I agree with that to...
  2. harrisonm

    Big Block Weight Differences

    I don't want to Hijack the thread, but this reminds me of the discussions I have seen here before about BB A Bodies vs SB A Bodies. I had always thought that a 440 in an A body would be nose heavy and hard to drive. Someone here (I think it was @RustyRatRod) set me straight on that. He said that...
  3. harrisonm

    Big Block Weight Differences

    It sounds like he weighed his options before deciding on the Aluminum heads. Let's not make light of his decision.
  4. harrisonm

    Safe to bore a 383 60 over?

    @RustyRatRod, I was surprised when you said you could do a sonic test yourself. I understand what it is, but I have never seen one done. I always assumed it was a machine shop only test that would take thousands of dollars worth of specialized equipment that the average guy would not have. How...
  5. harrisonm

    Reproduction Big Block Upper Rad Hose

    Also, possibly because there are so few original 68 big block A Bodies out there that few, if any, companies are going to be willing to spend the money to produce a part that may only result in a few hundred sales over several years. Bringing a decent quality reproduction part to market is...
  6. harrisonm

    413

    I did not know that. Valve reliefs cut into the bore (cylinder wall)???
  7. harrisonm

    413

    You do realize that the 413 RULED NHRA in 1962.
  8. harrisonm

    At what HP /rpm level are billet main caps and or stud girdle needed?

    Sure there is. You know, the cars with the 3/4 race cams!
  9. harrisonm

    At what HP /rpm level are billet main caps and or stud girdle needed?

    Won't hard block seriously reduce the cooling system's ability to keep the bock cool? I am a very good mechanic, but I have very little experience with racing. As I understand it, hard block is a concrete like substance that you pour into the block's cooling passages, and when it hardens, it...
  10. harrisonm

    Big Block seems to slow

    I was never a big fan of 361s from a power standpoint. They might be a great, reliable engine, but not exactly what I would pick for any type of performance platform.
  11. harrisonm

    The importance of a torque plate

    Thanks for the post. I have certainly heard about the importance of a torque plate, but I've never actually seen the proof.
  12. harrisonm

    Is the 383 a better engine, or does the 440 just have more displacement?

    Does someone make a Dana that is designed to bolt right into an A body? That would certainly make that part easier. Plus, you could recover a good chunk of your Dana investment by having an A Body 8.75 to sell. And if it was in good shape with Posi-traction (just kidding, I meant Sure Grip), it...
  13. harrisonm

    Is the 383 a better engine, or does the 440 just have more displacement?

    I know a lot about small blocks, but not as much about big blocks. I hear and see all the time about people building 440s for their cars. My honest and serious question is, "Is the 440 a better engine than a 383, or is the only advantage the additional 57 cubic inches?" Also, what is the weight...
  14. harrisonm

    Skid Plate pics? Anyone have them?

    I know what you mean. My doctor wanted a urine and stool sample, so I just gave him my underwear. LOL
  15. harrisonm

    Ride Height and Ground Clearance.

    I would raise it to 1 7/8". I am having trouble understanding the skid plate. I have certainly seen them on Trucks and Jeeps, but I have never seen one on a Mopar car. Do not misunderstand me, I am not bashing the idea, I just don't understand it.
  16. harrisonm

    68 Cuda 383 vs a 360

    When considering a big block, weight is something to consider. Although aluminum heads and intake and headers vs log manifolds will save a lot of weight. I also think the 'wow' factor of a big block is something to consider. I like the looks of a big block in an A Body. So what do you want? If...
  17. harrisonm

    fish was on the hook

    Agree with @413. All it takes is a slightly dirty or loose connection for the car not to start. I bet your lights work, eh? It takes a lot more current to crank a starter than to operate lights or a radio. I would check EVERY single connection from the battery posts to the relay to the neutral...
  18. harrisonm

    Thinking about selling my car

    Have you bought treated lumber lately? WOW!
  19. harrisonm

    Heads, how much gain?

    Who did the porting work? I am at about 370 HP with iron J heads with 2.02 intakes and a Comp 268 XE cam, headers and a complete MSD ignition setup. I'd hate to spend $2,000 on a pair of ported Eddy heads and have an unnoticeable power increase.
  20. harrisonm

    Heads, how much gain?

    So what I hear people saying is that if I were to buy some Eddy aluminum heads, I should pay some extra money to have some porting work done even if I am not going to race. I have been thinking about buying a pair.
  21. harrisonm

    Curious what's out there for a header for my 440 dart sport

    LOL. I totally agree that what I said could have been worded better. I meant something more like putting a 440 in a 51 Chevy. There are probably a lot of possible combos that will not have store bought header options.
  22. harrisonm

    Looking for advice, BB headers vs. HP manifolds

    Does anybody do Extrude Honing anymore. That would be a great way to get a pair of HPmanifolds to flow better.
  23. harrisonm

    Aluminum Radiator

    I use the same one. I sprayed it with Eastwood's Black Radiator paint, and it looks remarkably like a factory radiator.
  24. harrisonm

    Big Block Edelbrock limitations.

    OMG, I had almost that exact car about 45 years ago. White with a red and white interior, buckets, PS, PB, PW, AC. WHY DID I SELL IT???????
  25. harrisonm

    Big Block Edelbrock limitations.

    I'll go one better than that. A 4 Sport Fury Convertible is my dream car!!!
  26. harrisonm

    Rad support removal?

    Well, Shawn, you have now been schooled by the best. LOL
  27. harrisonm

    Rad support removal?

    I agree; totally unnecessary. It's kind of like pulling your seats and console out before you vacuum your carpet. It might make the actual task of vacuuming easier, but then you have to put the seats back in. Plus, the rad support is welded in. I have painted many engine bays with a rad support...
  28. harrisonm

    Curious what's out there for a header for my 440 dart sport

    I heard someone say once, "When you stuff a motor in a car that it was never designed for, you know who makes headers for it? You do!"
  29. harrisonm

    "O" ring thermostat housing ???

    So I am Confused. @Scamp Rohnda disagreed with this post. Does that mean he disagrees with the fact that I fought a leak for two years and the O ring housing from Billet specialties cured the problem? Because I have been leak free for about 3 years now! Or does it mean that he does not believe...
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