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is 600cfm big enough for 350ci

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Old Jan 28, 2009 | 11:48 AM
  #1  
mpb74's Avatar
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From: South Carolina
Car: 1986 Iroc-Z
Engine: 355 Phase 2 Bowtie heads
Transmission: 700r4
Axle/Gears: 342
is 600cfm big enough for 350ci

i have a slightly modified 350 with a holley 600. the car runs good but it feels like it has more to give. i have an edelbrock torqer 2 and i'm about to change it for a performer. can a 600 cfm give a 350 small block chevy enough fuel?
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Old Jan 28, 2009 | 11:58 AM
  #2  
travishenry's Avatar
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Joined: Nov 2007
Posts: 161
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From: Elverta, California
Car: 1988 Z28 Camaro
Engine: TPI 350
Transmission: TH350
Axle/Gears: 3.73 10 bolt
Re: is 600cfm big enough for 350ci

i ran a 600 holley on my 88 z28 and i went 13.2 with it.
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Old Jan 28, 2009 | 12:00 PM
  #3  
atc3434's Avatar
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Posts: 872
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From: Weedsport, NY
Car: 1986 Camaro SC
Engine: Bolt-on/cam 305
Transmission: 700R4 w/ 2500stall
Axle/Gears: 3.73 10bolt Posi
Re: is 600cfm big enough for 350ci

It should be plenty for a mild build, you get into good heads/cam and it may become a limiting factor.
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Old Jan 28, 2009 | 12:24 PM
  #4  
xpndbl3's Avatar
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Posts: 13,622
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From: Orland Park, IL
Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
Re: is 600cfm big enough for 350ci

buy the performer rpm for one. If this is the single feed line holley 600, i would recommend locating a holley 650 double pumper and that will be a solid HP increase and fuel economy would be similar to a vacuum secondary carb if you keep your foot out of the secondaries.
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Old Jan 28, 2009 | 02:45 PM
  #5  
mpb74's Avatar
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Joined: Mar 2008
Posts: 251
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From: South Carolina
Car: 1986 Iroc-Z
Engine: 355 Phase 2 Bowtie heads
Transmission: 700r4
Axle/Gears: 342
Re: is 600cfm big enough for 350ci

i'm going to change the intake and up the jets, maybe that will give me what i want
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Old Jan 28, 2009 | 04:00 PM
  #6  
atc3434's Avatar
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Posts: 872
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From: Weedsport, NY
Car: 1986 Camaro SC
Engine: Bolt-on/cam 305
Transmission: 700R4 w/ 2500stall
Axle/Gears: 3.73 10bolt Posi
Re: is 600cfm big enough for 350ci

Whats your heads/cam and exhaust like?
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