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Anyone know how to install a mechanical fuel pump??

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Old May 23, 2012 | 01:39 PM
  #1  
calgutie's Avatar
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From: Oxnard, CALI
Car: 1984 Z28
Engine: 5.0 L (Carbed)
Transmission: 5-Speed
Axle/Gears: Lazy 2 check
Anyone know how to install a mechanical fuel pump??

So I wanna replace my fuel pump on my 1984 z28 but I really have no idea on how to replace it, i know where it is but don't know how to properly remove it.

and are the fuel pups @ Autozone any good??

http://www.autozone.com/autozone/par...5297_200396_0_



PLZ,HELP, thanks!
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Old May 23, 2012 | 03:59 PM
  #2  
eseibel67's Avatar
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From: Kitchener, ON
Car: 1988 GTA
Engine: LB9
Transmission: T5
Axle/Gears: 3.45
Re: Anyone know how to install a mechanical fuel pump??

Take off the lines, then remove the 2 bolts and the pump will fall off. Installing is a little trickier, there is a pushrod that goes up to the cam that has to be in place.
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Old May 23, 2012 | 06:15 PM
  #3  
vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Anyone know how to install a mechanical fuel pump??

Originally Posted by eseibel67
Installing is a little trickier, there is a pushrod that goes up to the cam that has to be in place.
The pump pushrod generally falls out when you remove the old pump
so put a dab of grease on the cam end of it to hold it in place in the block on the pump reinstall
( unless you have 3 hands)
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Old May 23, 2012 | 08:07 PM
  #4  
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From: Iowa
Car: 14 scion tc/91 camaro rs
Engine: 2.5/ 360 pooch
Transmission: 6spd man/th350
Axle/Gears: na/2.73
Re: Anyone know how to install a mechanical fuel pump??

Thats a good idea but what bout using a bolt through the block to hold the rod? Guess gm could of changed block design.
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Old May 23, 2012 | 08:20 PM
  #5  
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From: Ontario, Canada
Car: 1987 IROC-Z
Engine: L98 5.7L
Transmission: MD8 700R4
Axle/Gears: G80 GW6 3.27:1
Re: Anyone know how to install a mechanical fuel pump??

I usually dab some grease on the ends as well as a film over the length of the push rod and that holds it.

I also like to put a thin film of gasket maker, black RTV on either side of the new gasket to help hold it in place and seal well. Torque the bolts evenly. Don't smoke around the fuel lines
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Old May 24, 2012 | 12:14 AM
  #6  
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Anyone know how to install a mechanical fuel pump??

Originally Posted by FtrSpeedy
Thats a good idea but what bout using a bolt through the block to hold the rod?
There is
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