Quote:
Originally Posted by Bruce Meyer
The regular Performer worked great on a 400 I was testing back in 90,s. It was a 79 T/A with a 400 and ran the quickest time with a Performer and a Holley 600 DP. It ran a 14.2 with the factory intake and Q-jet. Changing to a Performer and a 600 DP it went 13.8. I tried a 800 DP and the car slowed to 14.0.
They say the Performer doesn't work on 455,s. I don't know because I never tested one on a 455 but I can say for sure they work great on a 400 which is basically the same as a 389.
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Thanks Bruce, I appreciate the info.