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Engine fundamentals: An engineering review

4M views 40 replies 34 participants last post by  Straight Success 
#1 ·
ive been absorbing this web site for a while now, great theory for engine builders and basics. the company designs and build systems for aircraft, but it all applies. might be a bit heavy for some.

mechanical basics TOC (force, friction, fatique, cyclical fatique, fretting failure, beairings, vibration):

http://epi-eng.com/mechanical_engineering_basics/mechanical_basics_contents.htm


engine basics:

power and torque- http://epi-eng.com/piston_engine_technology/power_and_torque.htm

thermal efficiency- http://epi-eng.com/piston_engine_technology/thermal_efficiency.htm

volumtric efficiency- http://epi-eng.com/piston_engine_technology/volumetric_efficiency.htm

piston motion basics- http://epi-eng.com/piston_engine_technology/piston_motion_basics.htm

cam and valves(applies more toward reliability in aircraft, still a good read)- http://epi-eng.com/piston_engine_technology/camshaft_basics.htm

more advanced subjects:

exhaust system pressure wave tuning (very important!)- http://epi-eng.com/piston_engine_technology/exhaust_system_technology.htm

hydrodynamic bearings (the kind your rods and crank run on, interesting section on grooved main bearings)-
http://epi-eng.com/piston_engine_technology/engine_bearings.htm

BMEP- great read for those who bullshit engine numbers- http://epi-eng.com/piston_engine_technology/bmep_performance_yardstick.htm

torsional excitation (aka engine vibration)- http://epi-eng.com/piston_engine_technology/torsional_excitation_from_piston_engines.htm

metalurgy- http://epi-eng.com/piston_engine_technology/advanced_engine_materials.htm

piston engine TOC: http://epi-eng.com/piston_engine_technology/engine_technology_contents.htm
 
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#3 ·
Re: piston engine fundamentals, engineering info

bump for those that care
 
#5 ·
Re: piston engine fundamentals, engineering info

looks that way, oh well, i figured it was a little above most of the memebers of this forum.
 
#8 ·
Nice read...

Some good information in there for people who are looking to expand their intellect.
 
#11 ·
Hmm, somehow I missed when this was originally posted. Going to have to take the time to read them now, always looking to learn more.
 
#20 ·
Trouble with performance. drive at 70 MPH for about 1 hour, lift off gas to 65 MPH. engine starts to lose power. push down on peddel back up to 75 MPH. engine starts to improve slowly. other issues, truck park at home, go our next day to start, nothing works, except front lights and dash lights. it dose not even turn over engine. wait two days, go out and it starts. what is going on??? Help please.
 
#20 ·
What would I be getting myself involved in....... I have already sale my '94 TBI manifold and TB with all the sensors from my '94 engine to a '95 CMPI vortec. I know the sensors are of slightly because the here block "breaths" better, has better heads, better cam, etc that have it 40+ more HP. Problem is this.. I have not put the HEI coil on this bear get. Anyone have that crystal ball that can for see any issues? Its my ONLY driver, and if I have it apart for another whole weekend without spending time with my wife I fear bad things could happen? I have all the books but she gets annoyed when I am face first in then for this also. Thought for sure some one has done it already, maybe I could save some time here! Thanks y'all had a good weekend


:)
 
#24 ·
Hello guys, I'm new here I just bought a 2000 s10 4x4 xcab for my 16 year old son. she needed head gaskets so I pulled the motor (4.3) and went right thru it. new bearings, rings, cam, lifters, oil pump, timing chain, anyways just fired her up yesterday and she runs great except for this ticking/knocking. it is coming from directly under the intake. it's not a lower end knock and the lifters are new. it's weird but it sounds like it's right under the intake. oil pressure is great, if I rev it up to 2000 rpm's you can't hear it but anyways any suggestions before I start ripping the intake off. thanks for any help guys and or girls
Bill G
 
#27 ·
I was all about that stuff in my early 20s, but 25 years of real world hot rodding says the only things you really need to know in 2016: is the LSx V8s are the first and last word for those with money, the Vortec 350 for those without money. The Vortec 7400 for those who need something in-between. Have fun!
 
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