low RPM under load

[mkultra]

having a problem with an old chevy v8. sounds good and gets plenty of RPM out of gear but in gear it will not pass 2500 RPMs. I know there are plent of reasons for this but does anyone have a good place to start looking?

 

[corm]

Re: low RPM under load

ingition,carborator, and compression.<br />corm

 

[12Footer]

Re: low RPM under load

Or a leak in vac-key-yume advance,timing.