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  1. Vipersix

    Ring question....School Me

    The idea is to utilize the smallest ring to reduce friction yet large enough to withstand the pressures of your combustion chamber. I don't recall the rule of thumb off the top of my head, but any decent engine shop should be able to point you in the right direction.
  2. Vipersix

    fuel regulators?!

    If you end up going with turbos you'll want to get a rising rate regulator. The stock will be fine for the moment.
  3. Vipersix

    Changing flywheel on internally balanced engine

    That's true to an extent and really depends on how reliable you prefer to have your engine. I suppose he could get away with simply replacing his current flywheel with a larger zero balance flywheel but I wouldn't really recommend it. When performing an internal balance, the pistons are first...
  4. Vipersix

    Changing flywheel on internally balanced engine

    There's always that option. You can find good clutches rated in excess of 600 ft/lbs of torque for a few hundred bucks. I'm a big fan of SPEC personally.
  5. Vipersix

    EFI/Tuning Theory

    I'm trying to find resources to expand my understanding of internal combustion dynamics in order to become more proficient at EFI tuning. Does anyone have recommendations for books/classes/whatever that I could jump into? Specifically, I want to understand the ignition tables, spark advance...
  6. Vipersix

    Motor plat on 460 fox body

    Be cautious of how you mount the engine in the bay. If you mount the motor slightly off-center or misaligned via tilt, the vibrations can become extreme and you will experience a loss in power and reduction in part life. If the plate will be the only method of mounting I would recommend you...
  7. Vipersix

    Need new pistons for my new 351W!

    The 9.480 deck Windsors were only manufactured for two years (69-70) so it's usually a safe bet to assume the 9.503 version. Which, in your case is true. Bore: 4.00, Stroke: 3.500, Main Journal Dia.: 3.000, Rod Length: 5.956. The compression ratio can be determined by dividing the Net...
  8. Vipersix

    Changing flywheel on internally balanced engine

    Unfortunately yes. You also have the option of balancing the flywheel to the specs of your crank, which is probably your best option.
  9. Vipersix

    What fuel pressure?

    You should probably check to see what pressure the manufacturer tests its injectors at. Most use 43.5 psi. This directly affects your flow numbers and can starve (or drown) an engine depending on what you believe you're pumping versus what you are actually pumping. For example, if your...
  10. Vipersix

    351 SWAP GUYS COME IN

    I would suggest using AN fittings with steel braided hose. There are numerous companies which provide these pieces, I personally like Earls.
  11. Vipersix

    which 351?

    You can go out and buy relatively cheap used parts fairly easily for either engine. Once you start looking at new parts for the Cleveland though you will begin to see a pretty stark difference. In addition, there is simply an enormous difference in the number of options between the two. There...
  12. Vipersix

    Are there even enough people to start a build thread?

    I think there should be a Theory section where we can move past the specifics of a particular year or engine and talk straight theoretical physics of internal combustion and the creation of MORE POWER! But that's just me...
  13. Vipersix

    which 351?

    Unless you're looking to make a statement, the Windsor is better to use. There is a reason the Cleveland was only made for four years. The higher cost of parts for the Cleveland will buy you a brand new aftermarket 4-bolt Windsor style engine (Ford itself makes eight different 351 blocks). In...
  14. Vipersix

    Insuring an ex four cylinder car.

    Agreed. I have more $$ invested in the motor than the car is worth according to the "book" so I have coverage which includes all additions and modifications to the vehicle. This way, if some idiot runs into me and totals my car I won't be out thousands of dollars. In my eyes, insurance is...
  15. Vipersix

    frame brace???

    If I remember correctly, you are referring to a short (approximately 2 1/2') round tube with a single bolt in either end. I took mine off years ago and forgot to put it back on. I don't know the name of it but unless you're hellbent on putting it back on, I wouldn't bother getting a new one.
  16. Vipersix

    Manual tranny question - PLEASE HELP

    I can't figure out how that would affect only two gears. The entire purpose of the retainer is to allow the throwout bearing a shaft to slide along as you engage/disengage the clutch. Assuming the "base part" is longer and doesn't allow the clutch to get very close to the transmission, every...
  17. Vipersix

    Questions about supercharging.

    Oh, and they're impossible to miss!
  18. Vipersix

    Questions about supercharging.

    The loudest by far is a Roots. But then they're not cheap.
  19. Vipersix

    how much fuel?

    Stock would be adequate. I prefer to run 43.5 as most injectors are tested and designed at this pressure.
  20. Vipersix

    Help me ID this engine and heads

    The head casting number will be on the bottom near the pushrod journals unless it is an early 289 head or FE head. All Ford block casting numbers are on the passenger side normally near or behind the starter. Ford makes it easy to read the casting numbers since each position/character...
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