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Hey guys, I am trying to get my 273 running right and am still having problems. I was running a stock 340 intake but recently converted to an Edelbrock LD4B. With the 340 intake my idle vacuum was approximately 15 give or take (Comp XE262H cam). With the LD4B my idle vacuum is approximately 7...

Hello guys, I am looking for advice about an intake for my 273. It was originally a 2bbl but now runs an Edelbrock Performer carb on a stock intake from a 69 340. I am running an XE262H cam and Summit Racing ignition. If I could come up with a 273 Commando intake and maybe a 4 hole carb spacer...

I am running an Edelbrock Performer (500 cfm) with an electric choke. In the past it has started right up hot or cold. Recently it had an issue with the choke not shutting off when the engine warmed. Since it had to go into the shop for some head work anyway I told them to fix the carb too. I...