[tom s]

Is this car going to be raced or a street driver?Tom

[1bad65]

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.

Thanks Bruce, I appreciate the info.

[1bad65]

Originally Posted by TxSportCoupe

Performer for the street. Has better bottom end torque than RPM. Less weight and better heat dissipation than Iron. Holley Street HP 750 on a 1” phenolic wood spacer. No choke. Mechanical secondary. You’ll have to feather the throttle to keep it alive for the first 20 seconds. Guarantee you’ll be in the zone on air fuel mixture out of the box and it will be snappy and not run out of fuel on the back end of a hard run. New polished aluminum body helps keep fuel from flashing over and vapor locking. Looks and runs fantastic. Best all around combo I’ve come up with in 40 years.


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Appreciate the feedback. I'm probably going to use what I have (Performer & 650DP) and see how it goes.

[1bad65]

Originally Posted by tom s

Is this car going to be raced or a street driver?Tom

It's going to be my weekend cruiser.

[tom s]

At the price of gas the factor AFB will be better than a Dp?Tom

[gtospieg]

If you decide you want to use the factory 65 intake I have one that needs a new home.

[PunchT37]

Originally Posted by 1bad65

Appreciate the feedback. I'm probably going to use what I have (Performer & 650DP) and see how it goes.

Sounds like a plan.