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On a Walbro inline fuel pump which side is in or out?

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Old Sep 9, 2001 | 11:44 AM
  #1  
Z28z's Avatar
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From: DC Metro area
Car: 91 Camaro Z/28
Engine: 5.7L TPI
Transmission: TH700-R4
On a Walbro inline fuel pump which side is in or out?

I just got a used Walbro inline pump and want to know which side is in and which side is out? One side on the pump has the electrical posts.

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91 Camaro Z/28 5.7
SLP catback
SLP runners
SLP 1 5/8" headers
TPIS airfoil
160 degree thermostat
Rebuilt 700R4(borg warner/raybestos clutches,Kevlar band,vette servo)
B&M 2400 stall torque converter
Paxton SN92
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Old Sep 10, 2001 | 08:44 PM
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Zepher's Avatar
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From: Norfolk, VA. USA
Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
I wondered the same thing with my Holley in-line pump. I looked at it very carefully and found an arrow that showed the flow direction. Yours might have it as well if it isn't scratched off.

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Old Sep 10, 2001 | 09:03 PM
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Z28z's Avatar
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From: DC Metro area
Car: 91 Camaro Z/28
Engine: 5.7L TPI
Transmission: TH700-R4
Usually they do but this one doesn't seem to have one cause I looked all over it. Its in almost new condition so I don't think it's scratched off.
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Old Sep 11, 2001 | 12:10 AM
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From: Bend, Oregon
Car: 89 IROC
Engine: Built 383, Vortech SC
Transmission: Pro-Built 700R4
Axle/Gears: Dana 44, True Trac, 3.54
The end with the elec. terminals is the "out" side/end. Thats how my Walbro inline is.
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Old Sep 11, 2001 | 05:52 PM
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From: DC Metro area
Car: 91 Camaro Z/28
Engine: 5.7L TPI
Transmission: TH700-R4
thanks
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