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Fox Block Decode

  • Thread starter Thread starter PonyGTrider
  • Start date Start date Jun 9, 2026

PonyGTrider

5 Year Member
Feb 27, 2019
646
115
63
Mexico
Jun 9, 2026
#1
  • Jun 9, 2026
  • #1
Hi all,
Can someone tell me what block do I have on my 90 GT?
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,349
18,084
224
Massachusetts
Jun 9, 2026
#2
  • Jun 9, 2026
  • #2
F1SE block

Standard 5.0 block used on 91-95 Mustang and other ford vehicles around that era.

In that general area you’ll find a 4-digit date code
 
Reactions: Shakerhood and PonyGTrider

PonyGTrider

5 Year Member
Feb 27, 2019
646
115
63
Mexico
Jun 9, 2026
#3
  • Jun 9, 2026
  • #3
Mustang5L5 said:
F1SE block

Standard 5.0 block used on 91-95 Mustang and other ford vehicles around that era.

In that general area you’ll find a 4-digit date code
Click to expand...
Thank you much, now I know
 
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