Quote:
Originally Posted by MAXUM
This is true on a naturally aspirated (carbed) engine, as a rule it's a good idea to pull all the plugs when conducting a compression test however it's not necessary per say. If the other plugs are not pulled and the throttle is held open the influx of gas is more of a problem. However there is no benefit to holding the throttle open so therefore no need to do it in the first place..
|
What you say is essentially correct. I'd just like to clarify the term "
Naturally Aspirated" for those less technically inclined than you or I.
Naturally Aspirated has no particular connection to carburetted ...OR.. fuel injected engines.
Naturally Aspirated means the engine
sucks its own fuel..naturally ...at atmospheric pressure from the fuel system. It's not pressurized.
The alternative is
Turbo Charging....OR...
Super Charging. Both methods are pressurized. They "Force Feed" the fuel into the intake system.
NB