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grumpyvette · 11-25-2008, 06:21 PM

If you were local it would be easy to diagnose, but lets start with the basics

whats the COMPRESSION TEST reading for each cylinder?

HOW did you adjust the valves?

is there water or crud in the gas or fuel filter?

CAN you post detailed pictures of EACH spark plug?

whats your FUEL PRESSURE?(does it stay steady as the rpms build?)

HAVE you verified the throttle blades in the carb and linkage fully open?

how are the carb FLOATS SET?

what air filter SIZE and is it clean?

whats the TOTAL IGNITION ADVANCE?

whats the VACUUM READ AT IDLE?

whats the VOLTAGE at the COIL?

AT WHAT rpm does the advance reach MAX advance?

WHAT is the exhaust back pressure reading? (IDLE and 4000rpm under load)

HOW did you determine true TDC or did you just assume the timing tab and damper are correct?

What color is the ignition spark?

what is YOUR OHMS reading on the plug wires?

whats your spark plug gap?

CARB JETS? METERING RODS?

HAVE you REPLACED the cap and ROTOR?

ANY indication of a MISS or BOG?

HAVE you tried a DIFFERANT CARB?

have YOU verified EACH cylinder is firing?

have you VERIFIED the FIRING ORDER IS CORRECT?

HAVE you VERIFIED the LASH/PRELOAD on the rockers RECENTLY, and are you sure the cam is not worn?

are you SURE the trans fluid and rear differential are filled to the correct levels?

whats the engine temp after it warms up?

whats the trans fluid temp?

11-25-2008, 06:21 PM	#1
grumpyvette retired mech engineer Join Date: Sep 2007 Location: florida Posts: 159 Name :	it just ain,t running right check list If you were local it would be easy to diagnose, but lets start with the basics whats the COMPRESSION TEST reading for each cylinder? HOW did you adjust the valves? is there water or crud in the gas or fuel filter? CAN you post detailed pictures of EACH spark plug? whats your FUEL PRESSURE?(does it stay steady as the rpms build?) HAVE you verified the throttle blades in the carb and linkage fully open? how are the carb FLOATS SET? what air filter SIZE and is it clean? whats the TOTAL IGNITION ADVANCE? whats the VACUUM READ AT IDLE? whats the VOLTAGE at the COIL? AT WHAT rpm does the advance reach MAX advance? WHAT is the exhaust back pressure reading? (IDLE and 4000rpm under load) HOW did you determine true TDC or did you just assume the timing tab and damper are correct? What color is the ignition spark? what is YOUR OHMS reading on the plug wires? whats your spark plug gap? CARB JETS? METERING RODS? HAVE you REPLACED the cap and ROTOR? ANY indication of a MISS or BOG? HAVE you tried a DIFFERANT CARB? have YOU verified EACH cylinder is firing? have you VERIFIED the FIRING ORDER IS CORRECT? HAVE you VERIFIED the LASH/PRELOAD on the rockers RECENTLY, and are you sure the cam is not worn? are you SURE the trans fluid and rear differential are filled to the correct levels? whats the engine temp after it warms up? whats the trans fluid temp?