Chevelle SS396 Dyno Test - Calling Dr. Dyno!
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Satisfied we weren't going to make much more power with the Quadrajet, we swapped over to the Holley 750 HP. The 750 upped output to 206 horses and 291 lb-ft of torque, but the air/fuel ratio showed the car was running extremely rich. It wasn't something we could fix by playing with the mixture screws, so we had to crack the bowls open and change jets. View Related Article
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