Car dies out after driving awhile
Asked by Patterd Jan 11, 2018 at 10:34 AM about the 1978 Chevrolet El Camino Base
Question type: Maintenance & Repair
My el Camino just got a 5.7 vortec motor put in it but
when I drive it awhile it dies out. I replaced the battery and
checked the alternator and was good. Don't know what
else it could be
5 Answers
Does it seem fuel starved before it dies? Check how the fuel lines are run, not too close to a header or exhaust, which can cause vapor lock.
What year is this motor? Suggest you pull the engine dip stick and check for gasoline contamination before a restart.
The vortec motor didn't come out until the late 1990's so I assume it; carbureted ! ! Are you running a conventsional HEI Distributer ??? I'd start with the distributor replacing the ignition module & then the pick-up & coil , If carbureted I'd put a 1 1/2 spacer /riser under the carb if so equipped which will keep the fuel in the carb from boiling creating a vapor lock condition
You might consider taking a photo of the engine and posting same. An engine id number may also help. We need to know what type of fuel and ignition system is on board.
