These are typical answers to the questions we're asked everyday.

The Basics for all engines across the board. What to use.

FIRST THING... Learn the parts, know their names, know how to identify them and speak the correct terminology.

FUEL QUESTIONS -- formulas -- What fuel should I use?

GLOW PLUGS -- How they work -- Which one should I use? -- Hot or cold?

Compression Ratio -- Why it matters -- What it causes

What size propeller should I use on my Airplane Engine? I am still working on this page.

What size propeller should I use on my Marine Engine?

GOOD INFO ON OUTBOARDS CAUSE AND EFFECT

What's the Difference

What's the difference between ABC, AAC, ABN, RINGED, LAPPED piston/cylinder assemblies? How do I tell the difference?

What's the difference between Schnuerle ports, looped scavenged, PDP porting? I am still working on this page.

What's the different types of rings?

Strange feelings

My new engine has a tight spot when I turn it over

My new engine doesn't feel like it has any compression when I turn it over

My new engine makes a clicking sound when I turn it over

What causes the problem?

Cause of erratic engine running

Cause of overheating

Cause of engine dying half way thru the flight

Cause of poor idle

Cause of scored piston

Cause of fuel blowing out the front bearing. Not the bearing seal like you may think.

Cause of poor top end or inconsistent top end performance.

Cause of the connecting rod breaking/bending on my aircraft engine?

Cause of the connecting rod breaking on my marine engine?

Cause of rust inside my engine

Cause of rust inside my outboard engine

How do I do it? Engine Operations.

How do I Break in an ABC engine?

How do I Break in a Ringed engine?

How do I Break in a Lapped engine?

How do I set my needle valves on aircraft engines? How many turns out should my needles be set at?

How do I set my needle valves on marine engines? How many turns out should my needles be set at?

How do I tune a tuned pipe?

How do I hook up water lines on a marine engine?

How do I do it? Accessories.

How do I make cutouts for my prop on a CB spinner?

All About the Carburetor

How a model engine carburetor works.

How to adjust an early style square K&B carb

How to adjust a K&B carb with the brass mixture disk.

How to remove the mixture disk on a K&B carb.

How to adjust the carburetor on a marine engine.

How to remove a draw bar.

Which way does it go?

Which way does the Piston and Cylinder go back into my engine?

Which way does the Head go back onto my engine?

Which way does the Back cover go back onto my engine?

Which way does the Connecting Rod go back into my engine?

How do I do it? Repair and Mechanical items

How do I know which way my crankshaft was designed to run?

How do I fix a broken rod in my marine engine?

How do I Measure the Crankpin on my K&B 7.5 engine

How do I install a piston ring?

How do I set the squish band? (The head clearance.)

How do I unstick a piston ring?

How do I remove a sleeve?

How do I time the valve on a HP VT four stroke engine?

How do I remove and install the crankshaft and bearings?

How do I remove a prop driver?

How do I torque the head bolts on my engine?

How do I clean the burnt on residue off my engine?

Can I use silicone to seal my engine?

How do I replace gaskets on my engine?

Can't find an answer here? Go To the Technical Forum to post your question or Check the Parts Department for answers about specific engine production history, part changes, etc.

Return to MECOA Homepage

©2005-2004 Model Engine Corporation of America, All rights reserved.

No part may be reproduced without written permission from
MECOA -- P.O. Box 98 -- Sierra Madre, CA 91025 U.S.A.