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40 to 45 LBS. @ 2000 RPMs
Advertised Horsepower is---245HP @ 4000 RPMs.
great truck with 290hp and 410tq at 3200 rpms
It should be idling at approximately 625 rpm while the engine is warm.
Advertised Horsepower is--120 HP @ 4000 RPMs.
Chevy stopped using cable driven tachs to read rpms back in the very early sixties.
800 rpms.
It could be a problem with the vacuum. If you have a meter you could put it on the engine at one of the larger hose locations and check that first. Are you sure that you have a Ford engine in a Chevy truck?
5,000 RPMS. If the lifters don't float out first.That would be a safe range as far as RPMS. go.
165 HP @ 3800 RPMS
175 Hp @ 3600 RPMs.
Advertised horsepower is--- 155 HP @ 4400 RPMs Toqure is--252 FT.Lbs @ 2100 RPMs.