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Thread: Holley Projection 4Di
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10-05-2004 #1
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- Sep 2004
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Holley Projection 4Di
New member, first time Post!!
I purchased a NIB Holley Projection 4Di 900 cfm system for my first Pro-Touring style Project ('71 Chevelle, 402 BB, 5 Spd, Global west Upper Arms, B-Spindles 1LE Rotors front, Global West Rear Lower Control Arms). I just recently found your website (wish I'd found it sooner....probably would have changed my shopping list
). MY QUESTION: How bad of mistake did I make on the 4Di purchase (I'm reading now on how much better the Commander 950 system is) and is this something that I will be able to live with. I'm not looking for tons of power and speed (that's what my Nova is for), just the quick starts, idle quality, and fuel economy associated with fuel injection.
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10-11-2004 #2
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A properly installed and tuned 4Di will work just fine for you. It will work better then an out of the box carb.
Andrew1970 GTO Version 3.0
1967 Cougar build
GM High-Tech Performance feature
My YouTube Channel Please Subscribe!
Instagram @dr__efi
I deliver what EFI promises.
Remote Holley EFI tuning.
Please get in touch if I can be of service.
"You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her
10-11-2004 #3
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Thanks for the reply. By the way, What kind of numbers have you run with your GTO. I ran my best time on horsepower last Thursday night with a 12:17 1/4 mile pass. (355, E-tec 200 heads, CompCam Solid Roller & Rockers,3" Torque Tech Exhaust. 3:42 Gears, BFG drag radials, on 93 octane.)
10-12-2004 #4
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My best pass to date was 12.15@116.
Andrew1970 GTO Version 3.0
1967 Cougar build
GM High-Tech Performance feature
My YouTube Channel Please Subscribe!
Instagram @dr__efi
I deliver what EFI promises.
Remote Holley EFI tuning.
Please get in touch if I can be of service.
"You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her
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