Fox 5.0 Mustang Tech

Technical discussion related to the Fox body 5.0L Mustang.

Fox Engine Swaparoo

: 173

: 1.6K

Threads: 173

Messages: 1.6K

Speed density 302 to carb 351W

May 29, 2026
AeroCoupe

Filters

Engine Defective PIP sensor ?

bock
Sep 5, 2025

2

Replies: 20

Views: 1K

Oct 11, 2025

Mindseye007

M

Engine on3 Conversion to draw through MAF?

Replies: 2

Views: 280

Oct 11, 2025

sav22rem22

D

Engine 85 GT Backfires through Carb

Replies: 19

Views: 754

Oct 7, 2025

85GTStangGuy

1

Engine 91 mustang 302 Low acceleration car backfires pops and acts like it doesn’t want to take fuel

Replies: 16

Views: 1K

Oct 6, 2025

1991Fox5.0

1

C

Exhaust 4 Cats required for smog in California?

Replies: 11

Views: 1K

Oct 6, 2025

Scottyding73

S

Brakes The Ultimate 4-lug/5-lug Brake Conversion/upgrade Thread

Mustang5L5
Nov 28, 2009

22 23 24

Replies: 467

Views: 220K

Oct 5, 2025

limp

D

Engine Coolant and Radio Issues

Replies: 17

Views: 666

Oct 4, 2025

Don7Up

D

Forced Induction Vortech v3 low boost (like 2 psi)

Replies: 18

Views: 3K

Oct 2, 2025

Mindseye007

M

A

Drivetrain 91 AOD linkage at transmission

Replies: 7

Views: 353

Sep 29, 2025

JD1964

C

Engine Cylinder 5,,7, & 8 run significantly cooler than the other cylinders

Replies: 1

Views: 257

Sep 27, 2025

Noobz347

Electrical wiring for 1988 lx foxbody trunk release, a wood butcher cut the solenoid of the rear latch , were does the wire for the solenoid run and what color

Replies: 3

Views: 139

Sep 27, 2025

KAWMAN2

T

Engine Need help figuring out misfire and backfire

Replies: 8

Views: 307

Sep 26, 2025

Noobz347

V

Paint and Body Problem with 1985 GT T-Top outside mirrors

Replies: 9

Views: 371

Sep 26, 2025

Vatchy

V

G

Engine Pushrod Length Question

Replies: 12

Views: 603

Sep 25, 2025

Noobz347

C

Stock 1993 charging issue at idle

Replies: 7

Views: 378

Sep 24, 2025

Mustang5L5

Fuel FMU stuck?

Replies: 11

Views: 401

Sep 24, 2025

JD1964

G

Forced Induction Injector size for supercharger

2 3

Replies: 53

Views: 14K

Sep 23, 2025

Sparky714

8

Electrical Trying to find wiring diagram

Replies: 17

Views: 5K

Sep 21, 2025

evintho

Engine 87 NA - Tune or no Tune needed?

Replies: 8

Views: 384

Sep 17, 2025

R82148V

9

Electrical F150 ECU in a Foxbody? Idle surge help

Replies: 6

Views: 447

Sep 17, 2025

Mustang5L5

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