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camshaft help

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Old Jan 3, 2010 | 01:27 PM
  #1  
marc12321's Avatar
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Joined: Jul 2009
Posts: 90
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From: Monroe, Nj
Car: 1987 Camaro
Engine: 355 4bbl
Transmission: tko 600
Axle/Gears: 12bolt 3.73
camshaft help

ok i need help here. i put a new edelbrock cam in my 355 and my fuel pump isnt working. could it be that my new cam didnt come with a fuel pump lobe?
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Old Jan 3, 2010 | 02:30 PM
  #2  
91interceptorZ's Avatar
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Joined: May 2008
Posts: 1,116
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From: boise, ID
Car: 91 B4C "police special service"
Engine: L98 494hp
Transmission: tko-600 on order
Axle/Gears: 3.23 true trac
Re: camshaft help

what year is motor, what is cam grind number, need more specs.
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Old Jan 3, 2010 | 04:00 PM
  #3  
mnorton's Avatar
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20 Year Member
 
Joined: May 2002
Posts: 845
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From: Northern California, Redding
Car: Red 1987 IROC Convertible
Engine: 305 LB9 TPI
Transmission: T5 5-Speed
Axle/Gears: 9-Bolt 3.45
Re: camshaft help

Are you saying that your car has a mechanical fuel pump?

These cars typically have an electric fuel pump.
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Old Jan 3, 2010 | 08:36 PM
  #4  
marc12321's Avatar
Thread Starter
Junior Member
 
Joined: Jul 2009
Posts: 90
Likes: 0
From: Monroe, Nj
Car: 1987 Camaro
Engine: 355 4bbl
Transmission: tko 600
Axle/Gears: 12bolt 3.73
Re: camshaft help

its not the stock motor. and its a edelbrock 426 lift cam
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Old Jan 3, 2010 | 11:23 PM
  #5  
1986Z28OWNER's Avatar
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Joined: Sep 2006
Posts: 962
Likes: 13
From: Canada
Car: 1979 Malibu
Engine: Blown LSx
Transmission: T56 Magnum
Axle/Gears: 9"/wavetrac/35's/3.70
Re: camshaft help

if its mechanical, you have to remove the fuel pump to pull the old cam, im pretty sure all the edelbrock cams have fuel pump lobes. are you sure you put the fuel pump pushrod back in?
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Old Jan 4, 2010 | 01:55 PM
  #6  
marc12321's Avatar
Thread Starter
Junior Member
 
Joined: Jul 2009
Posts: 90
Likes: 0
From: Monroe, Nj
Car: 1987 Camaro
Engine: 355 4bbl
Transmission: tko 600
Axle/Gears: 12bolt 3.73
Re: camshaft help

i put the push rod in and the fuel pump is new
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Old Jan 4, 2010 | 11:14 PM
  #7  
palric's Avatar
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20 Year Member
iTrader: (1)
 
Joined: Aug 2001
Posts: 1,589
Likes: 2
From: British Columbia
Car: 90 IROC 5.7 hardtop
Engine: L98
Transmission: T5 swap
Axle/Gears: Yup -- they still work
Re: camshaft help

did you check to see the fuel cam lobe is under load when you installed the cam?

there is a spring actuator in the mechanical fuel pump. you may have wrong length actuactor for the cam.

if you disconnect the fuel line to your carb and crank the
motor does gas pump out?
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