Thread: another horsepower question

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When my husband brought my monte for me the guy we brought from said that a package had been put in the engine. He brought the car to run on the strip but decided to go with a rice burner and needed the money to fix that one up. He said that what was put in it was a edelbrock rpm high performance package with a 650cfm carb. I can not afford to tear it down to find out if everything is there. I do know that it has a 650 cfm edelbrock carb and edelbrock valve covers. also i have been told by someone else that i have a stronger than stock driveshaft. The guy we brought it from said that with the package i should have 396hp. The more that i read about all this the less i am to believe him. he said that it had been done a long time ago but that there were not many miles on the engine. there is no place local to take it to be dyno tested. How can i tell how much hp i have and how much torque. It is a sbc 350 in a 71 monte.