• Mustang Forums
  • 1965 - 1973 Classic Mustangs -General/Talk-
  • Classic Mustang Specific Tech

help with holley fuel pump

  • Thread starter Thread starter p0prcksandc0ke
  • Start date Start date Aug 27, 2007

p0prcksandc0ke

New Member
Apr 27, 2007
111
0
0
sacramento,ca
Aug 27, 2007
#1
  • Aug 27, 2007
  • #1
i was tired of braking cheap kregan fuel pumps so i bought this holley pump http://www.holley.com/12-390-11.asp what whole do i hook the carb fuel line to? i just dont want to hook it up the wrong way
 
D

D.Hearne

New Member
Sep 29, 2000
11,730
6
0
south louisiana
Aug 27, 2007
#2
  • Aug 27, 2007
  • #2
The carb line goes into the port marked "out". Be sure to install an inline fuel filter between the pump and carb.
 

HookandLadder

Founding Member
Feb 17, 2001
261
0
17
St Louis
Aug 27, 2007
#3
  • Aug 27, 2007
  • #3
With pump installed. Bottom is the inlet. Top to the carb.
 

p0prcksandc0ke

New Member
Apr 27, 2007
111
0
0
sacramento,ca
Aug 27, 2007
#4
  • Aug 27, 2007
  • #4
ha i didnt look under the pump to see the in, out markings....and the inline filter is just like a little filter and the glass around it so you can see the fuel right? cause i have that already
 

p0prcksandc0ke

New Member
Apr 27, 2007
111
0
0
sacramento,ca
Aug 28, 2007
#5
  • Aug 28, 2007
  • #5
o am i going to have to adjust the carb since its 110gph?
 

jeffnoel

Founding Member
Aug 31, 2002
1,638
5
37
Clovis, CA
Aug 28, 2007
#6
  • Aug 28, 2007
  • #6
Nope you shouldn't need to make any carb adjustments.
 
You must log in or register to reply here.

Similar threads

D
Fuel Erratic Fuel Pressure 1985 GT
  • DienstXIV
  • Jan 14, 2026
  • Fox 5.0 Mustang Tech
Replies
16
Views
712
Fox 5.0 Mustang Tech Jan 16, 2026
AeroCoupe
New fuel pump relay
  • Scrapla347
  • Nov 3, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
12
Views
938
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Nov 8, 2025
Scrapla347
S
FUEL PUMP ALWAYS ON
  • Scwhitten
  • Jun 6, 2026
  • 1996 - 2004 SN95 Mustang -General/Talk-
  • 2
Replies
27
Views
518
1996 - 2004 SN95 Mustang -General/Talk- Jul 4, 2026
manicmechanic007
H
Fuel starvation issues, 91 EFI to carb swap. Car dying after 1-3 gallons used. EFI tank, electric fuel pump, bypass regulator. Dual fed carb
  • hassler
  • Oct 11, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
8
Views
792
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Oct 12, 2025
nickyb
B
'03 GT Fuel Pump/Pressure/Delivery Issue
  • Brodach
  • Oct 21, 2025
  • SN95 4.6L Mustang Tech
Replies
8
Views
928
SN95 4.6L Mustang Tech Oct 31, 2025
gkomo
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1965 - 1973 Classic Mustangs -General/Talk-
  • Classic Mustang Specific Tech
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?