his ET and MPH seem to support your theory.
On a somewhat similar note...I swapped my action plus intake and tri-y headers for a stealth and hooker comps and shaved .5 off my 1/8th mile times. I'm not sure which was the worst retriction, but I'll never use either again.
not wanting to hijack but this question could help the original poster as well. Is there a non high-rise intake that is better then the Performer 289? i currently have the performer but cause of poor header build quality (dang patriot tri y's) my motor has been jacked up with spacers to clear the inner fender wells.
Vic jr.after you switched heads and the cam, what intake did you throw on it?
Just my .02 I am certainly not an expert. If you aren't looking to tear up the track and just have something a little more fun to drive, this is what I would recommend.
I went from a stock C-code 2v to the Performer 289 intake, Edelbrock 500 cfm carb, tri-y headers and dual exhaust in one shot and noticed a huge difference. It's definately not a horsepower monster but it sounds so much better and is more fun to drive.
I just got finished adding a Performer Plus cam which I should have done when I had the intake off to begin with.
Hope this helps!
You could have still went with a better intake and lost nothing on the bottom end. High rise dual planes, simply give you a bit more oomph up top without sacrificing anything on the bottom end. And allow you to better utilize future other upgrades in the future. This includes the following intakes: Ford C9OX, Shelby "Cobra", Ford A321 (current version of the previous two) Edelbrock F4B, Performer RPM, RPM Air Gap, Weiand Stealth (both the early one and the current offering)My 2 cents: I had a stock C code 289 and debated on where I wanted to take my engine. I wanted more power but realized that my car would be a street cruiser and would live under 5000 RPM 99.99% of the time. Since I was rebuilding the engine anyway I decided a cam swap was in order so I settled on the Edelbrock Performer cam with stock heads. This led me to basically three intake choices, Edelbrock Performer, Weiand Action Plus or stock 289 4 BBL. I was leaning on the Weiand but I decided that I wanted my car to look stock, but have a little more oomph, so I went with a stock 66 4 BBL intake and Autolite 480 CFM 4 BBL Carb. While I was at it I completely stripped my engine compartment, painted it and replaced just about everything under the hood. I assembled the engine, put black crinkle finish finned valve covers and HiPo air cleaner, and dropped it in. I test drove it for the first time last weekend and I absolutely love it! It pulls strong and since I will be operating mostly below 5k RPM, I am very happy with my choices. I must admit, it was really hard to restrain myself from putting on AFR 165 CFM heads, Weiand Stealth Intake and hotter cam, but I had to be realistic in how I would use the car and stay on theme. So my advice is to be honest with yourself on how you will use the car and stick with a plan. Like Cobain03 said, it gets old and expensive swapping things out over and over again.
Is the consensus here the Performer manifold and ~600cfm carb?
You could have gotten the same end result simply by bolting a Holley 500 cfm 2 bbl carb on the stock intake. That's what you ended up with basically, a 500 cfm carb on a stock intake.
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Kidding D.Hearne!!!You've helped me out a ton on here! If I could go back I probably would have gone with the Performer RPM and a larger carb.
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