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  • Users: Bewy
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  1. B

    Here you go, Piston area and force.

    Here is the pic that should have gone with post #48.
  2. B

    Here you go, Piston area and force.

    Here is refresher about force v pressure. Same force was applied to each coin, but the end-on coin penetrated further because it more force per area. Two pistons 4" & 5" diam, 1000 lbs in the chamber. Both pistons have 1000lbs of force applied. The 4" piston has a pressure loading of 79.6 lb/ sq...
  3. B

    Here you go, Piston area and force.

    273, You can carry on with all the BS you want. The fact is that piston area is on the bottom line of the formula, & when the bottom line gets bigger, the answer [ power ] gets smaller. Until you stop confusing force with pressure loading, you will never get it....
  4. B

    Here you go, Piston area and force.

    OK, I apologise for using the word dummies. This 'discussion' started because 273 claimed that more piston area gave more hp by virtue of the piston area increase. It only does this IF more air is drawn into the cyl; if no more air was drawn into the cyl, then the HP would not change, all else...
  5. B

    Here you go, Piston area and force.

    I think there a few here that get it, but not the dummies '273' & Turk. I will post the info AGAIN from Harold Bettes, who does get it. [ Turk read the text, don't look at the pretty pictures ] What does Bettes get? He gets that if you increase piston area, the pressure loading over area [...
  6. B

    Mild 383 build

    I understand how it works [ you do not ] & I don't need your [ wrong ] advice....& nobody else needs it either.
  7. B

    850 Carter Thermoquad flooding at low rpm

    Good to hear!!!
  8. B

    Mild 383 build

    Well, RRR, the beer is always flowing for ya.....bring ya summer weather with ya.... I just do not like bullshit. I have made lots of errors, some on this forum, & have owned them when they are pointed out. I get the impression from Shorty's posts that he is trying to learn.....& listen to new...
  9. B

    Overheating at idle

    What cam specs? If not using one, use a high flow 180 thermostat. At least remove & test the existing stat. It may not be opening fully. Do not drill holes in the stat; all it does is increase warm up time. Main problem is pump speed [ & therefore fan ] too slow; makes a BIG difference. Pump...
  10. B

    Mild 383 build

    Shorty said in post #1 he was looking for suggestions. I am giving him suggestions on how to avoid making mistakes, by avoiding the advice of certain people......who are giving him WRONG INFORMATION.
  11. B

    Don't read if you're close minded

    And what about distribution? Of air & fuel? Many production engines had snivvies riveted to the side of the booster to re-direct airflow. Obviously the factories found variations in cyl-to-cyl air flow & this was a fix that was used. Aftermarket carbs.........Well who knows. Some of the...
  12. B

    318 question?

    Pretty sure the Poly 318 cam is different to the 67 & later 318. Different lifter bore angle. Isky lists different part numbers for the two engine series.
  13. B

    Mild 383 build

    Shorty, I apologise for interrupting your thread but you & the readers are being fed absolute bullshit by '273'' & Newbomb Turk with their claim that increasing area of the piston creates more push on the con rod. They know it is wrong but haven't got the guts to admit it. They are getting...
  14. B

    Mild 383 build

    273, This is for you. I know from your posts that you are quite knowledgeable. Not wasting time with Turk, he doesn't know how an air bleed works. You are confusing force with pressure [ loading ]. Look at the formula in post #112. Pressure= force divided by area [ not multiplied ]. In...
  15. B

    Mild 383 build

    RRR, Post #113, you disappoint me; I thought you were smarter than that. Look at the formula in post #112: Pressure= force divided by area. The force is the force of the expanding gas. The area is the piston area. If the area gets bigger [ a bigger diameter piston ], then the pressure gets...
  16. B

    Mild 383 build

    Maybe this will do it. Force per unit area. The coin sinks into the plasticine further when pushed end-on because it has more pressure with less the area. Get it now Turk or are you too dumb???? Get it now 273???
  17. B

    Mild 383 build

    273, Post 106. Nope wrong again. Confusing weight with pressure. As I said earlier, if big piston areas were able to perform your magical idea, it would be reallllllllllllly easy to make reallllllllly big HP........& we would see lots of engines with huge pistons. But we are not...
  18. B

    Mild 383 build

    ...it's greater area. I do not know how many examples are needed until the message sinks in. So I will try some humour.... There is a lump of dog s**t on your patio. You get the garden hose to get rid of it. You adjust the hose nozzle for a concentrated stream...& blast away the mess. Had...
  19. B

    Mild 383 build

    Boring adds power.... just like stroke does...... because more air is ingested into the engine to increase the unit loading on the crank via the bore & stroke.
  20. B

    Mild 383 build

    Turk, I will answer your question first. Post #98. Both engines will make the SAME POWER. That is because both pistons have the same total force applied [ 100 lbs ] ; what will be different is the lbs per square inch. The respective areas of a 4 & 5 inch piston are 12.6 & 19.6 sq in. The...
  21. B

    Timing curves

    and...
  22. B

    Timing curves

    Some engines require 50* to idle properly [ see below ]. My engine idles with 48* @ 800 in gear & has a smooth idle with a big cam. Unless you know how to do this electronically, using an adj vac adv connected to manifold vac is the way to have a lot of idle timing........& have the timing drop...
  23. B

    Shuts off when hot?

    When it fails to start, remove a plug lead & lay the lead on the valve cover, screwdriver inside; create a 3/16" to 1/4" air gap. Crank & watch for white/blue spark. No spark: obvious; yellow spark = weak spark.
  24. B

    Don't read if you're close minded

    Touche...
  25. B

    318 bogging at high rpm, but only in first gear?

    I would ditch those little filters in the seats. Just use one main external filter.
  26. B

    Oil Question

    Go to the Penrite.com. website & look for the description of 'Friction Modified' oil. FM oils are 'thinner' to give better economy. Penrite make oils that are NOT FM'ed, which is what I use in my engines & engines that I build. Not saying that the above is the reason for the oil pressure loss [...
  27. B

    Spark, plug wire resistance

    65. Would love to see the TSB. know where I can read it.
  28. B

    Mild 383 build

    273, If your BS was correct, everybody would be building engines with 7" pistons & 2"stroke. Oh, the free hp because of the large piston area!!!! The rubbish you posted in post #78, you posted a few weeks back. I thought I will let it go. But then you repeated it.... One more try for...
  29. B

    Got zapped by my Engine !

    How much voltage the body gets zapped with is based on exactly the same principle as the voltage reqd to bridge the air in the spark plug gap. Rarely would the voltage rise to the rated voltage of the coil. Could be a 50kv coil but it only uses 18kv to fire the plug gap. Same with the human...
  30. B

    Mild 383 build

    No, I have just proved you are wrong [ you asked for proof, remember... ] but you don't 'get' it..... And the above example has nothing to do with energy being created or destroyed. Energy can, & does, get converted to different forms of energy, which is exactly what is going on here...
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