Performance Gains for Holley 500CFM
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New User
Joined: Dec 2002
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Performance Gains for Holley 500CFM
Hey all,
Wondering, what kind of gains could I expect to feel from the Holley 4412(500cfm). Wouldn't my low-end torque increase over a four barrel?
Thanks,
Hidome
P.S. cr=9.1
Port and polished heads
260H cam
351 not 400
Wondering, what kind of gains could I expect to feel from the Holley 4412(500cfm). Wouldn't my low-end torque increase over a four barrel?
Thanks,
Hidome
P.S. cr=9.1
Port and polished heads
260H cam
351 not 400
Senior User
Joined: Jan 2003
Posts: 217
Likes: 0
From: Saraland AL
Performance Gains for Holley 500CFM
I had a 4412 (500cfm) on my 400. It was a vast improvement over the Motorcraft carb.
I now have a 4160 (600cfm) and like the performance better. If you don't plan on making any performance addditions, the 4412 is a really good carb.
I now have a 4160 (600cfm) and like the performance better. If you don't plan on making any performance addditions, the 4412 is a really good carb.
Posting Guru
Joined: Sep 1999
Posts: 2,297
Likes: 1
From: Indiana
Performance Gains for Holley 500CFM
Hidome, I used a 4412 on a new 390 years ago in a 76 highboy. I thought it performed very well. It seemed to have very good low end grunt.
It was hassle free as far as installation goes. Just bolt it right on in place of the factory Motorcraft 2bbl. Ford kick down linkage was already on it.
It was hassle free as far as installation goes. Just bolt it right on in place of the factory Motorcraft 2bbl. Ford kick down linkage was already on it.
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