slow88stang New Member Jun 20, 2003 144 0 0 St Albert AB Jul 27, 2004 #1 Jul 27, 2004 #1 What is the rear gear ratio in my 88 5spd stang.
kiddiccarus The first widely accepted Tranny 20+ Year Stangneter Dec 24, 2003 1,789 1,051 143 30 Mins from a Ragged GT Jul 27, 2004 #2 Jul 27, 2004 #2 1988 with a T-5 I believe is 3.73:1 My guess. W whiskerz Member Feb 10, 2003 85 2 9 Lower Alabama Jul 27, 2004 #3 Jul 27, 2004 #3 3.45 is the most common 5 speed car gear. and 3.73 is the most common auto gear HTH Bearded Forever Type O Danzigative the Dark Founding Member Sep 4, 2000 4,927 3 98 Vinland Jul 27, 2004 #4 Jul 27, 2004 #4 3.45:1. Shawneebear93 20+ Year Stangneter May 4, 2004 518 17 49 Salisbury Twp, Allentown, PA Jul 27, 2004 #5 Jul 27, 2004 #5 Crovax said: 3.45:1. Click to expand... I would second that, but if you want to make sure check the sticker on the inside of the driver door. Code for 3.45:1 is 'F' 351wcoupe New Member Feb 13, 2003 1,811 0 0 Manhattan, Kansas Jul 27, 2004 #6 Jul 27, 2004 #6 or the tag on the rear, just incase its ever been changed and if the tag says 3L45 hang on to it. Its a GM POSI unit JamesBaumann Member Nov 26, 2003 624 0 16 Vancouver Island Jul 27, 2004 #7 Jul 27, 2004 #7 I agree that manuals have 3.45's and auto's have 3.73's. Ray III New Member Feb 10, 2004 586 0 0 fixin Boomhower's John Deere in Troy, NY Jul 27, 2004 #8 Jul 27, 2004 #8 I thought my T5 car had 3.73's but I would have to double check its worn out and an open diff so I got this junkyard traclok rearend lined up for the frankenstang kiddiccarus The first widely accepted Tranny 20+ Year Stangneter Dec 24, 2003 1,789 1,051 143 30 Mins from a Ragged GT Jul 27, 2004 #9 Jul 27, 2004 #9 Nice score for the trac loc, I am stupid the 3.73 is for the auto's because without that ratio the thing would not even get out of its own way. If your car came stock as a manual the 3.45 is correct I am ashamed. You must log in or register to reply here. Similar threads Drivetrain 5th Gear Ratio PonyGTrider Dec 8, 2025 Fox 5.0 Mustang Tech 2 Replies 33 Views 1K Fox 5.0 Mustang Tech Dec 31, 2025 Qtrhrse23 Q K Drivetrain '87 5.0 Installing New Ring Gear and Pinion - Pattern Questions karhoot Apr 23, 2026 Fox 5.0 Mustang Tech Replies 10 Views 355 Fox 5.0 Mustang Tech May 9, 2026 Mindseye007 M Fox Changed 2.73 ratio to 4.10.....how can I correct speedometer on 1985....EEK removed from car Milens Pit Stop Dec 10, 2025 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Replies 7 Views 237 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Jan 5, 2026 KRUISR T Newbie looking for some info on speedo gears TDM389 Nov 15, 2025 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Replies 3 Views 238 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Nov 16, 2025 TDM389 T J Rear alignment issues Jayjay001 May 27, 2026 2015 - 2023 (S550) Mustang -General/Talk Replies 1 Views 64 2015 - 2023 (S550) Mustang -General/Talk May 27, 2026 Noobz347 Share: Bluesky Email Share Link
W whiskerz Member Feb 10, 2003 85 2 9 Lower Alabama Jul 27, 2004 #3 Jul 27, 2004 #3 3.45 is the most common 5 speed car gear. and 3.73 is the most common auto gear HTH
Bearded Forever Type O Danzigative the Dark Founding Member Sep 4, 2000 4,927 3 98 Vinland Jul 27, 2004 #4 Jul 27, 2004 #4 3.45:1.
Shawneebear93 20+ Year Stangneter May 4, 2004 518 17 49 Salisbury Twp, Allentown, PA Jul 27, 2004 #5 Jul 27, 2004 #5 Crovax said: 3.45:1. Click to expand... I would second that, but if you want to make sure check the sticker on the inside of the driver door. Code for 3.45:1 is 'F' 351wcoupe New Member Feb 13, 2003 1,811 0 0 Manhattan, Kansas Jul 27, 2004 #6 Jul 27, 2004 #6 or the tag on the rear, just incase its ever been changed and if the tag says 3L45 hang on to it. Its a GM POSI unit JamesBaumann Member Nov 26, 2003 624 0 16 Vancouver Island Jul 27, 2004 #7 Jul 27, 2004 #7 I agree that manuals have 3.45's and auto's have 3.73's. Ray III New Member Feb 10, 2004 586 0 0 fixin Boomhower's John Deere in Troy, NY Jul 27, 2004 #8 Jul 27, 2004 #8 I thought my T5 car had 3.73's but I would have to double check its worn out and an open diff so I got this junkyard traclok rearend lined up for the frankenstang kiddiccarus The first widely accepted Tranny 20+ Year Stangneter Dec 24, 2003 1,789 1,051 143 30 Mins from a Ragged GT Jul 27, 2004 #9 Jul 27, 2004 #9 Nice score for the trac loc, I am stupid the 3.73 is for the auto's because without that ratio the thing would not even get out of its own way. If your car came stock as a manual the 3.45 is correct I am ashamed. You must log in or register to reply here.
Crovax said: 3.45:1. Click to expand... I would second that, but if you want to make sure check the sticker on the inside of the driver door. Code for 3.45:1 is 'F'
351wcoupe New Member Feb 13, 2003 1,811 0 0 Manhattan, Kansas Jul 27, 2004 #6 Jul 27, 2004 #6 or the tag on the rear, just incase its ever been changed and if the tag says 3L45 hang on to it. Its a GM POSI unit
or the tag on the rear, just incase its ever been changed and if the tag says 3L45 hang on to it. Its a GM POSI unit
JamesBaumann Member Nov 26, 2003 624 0 16 Vancouver Island Jul 27, 2004 #7 Jul 27, 2004 #7 I agree that manuals have 3.45's and auto's have 3.73's.
Ray III New Member Feb 10, 2004 586 0 0 fixin Boomhower's John Deere in Troy, NY Jul 27, 2004 #8 Jul 27, 2004 #8 I thought my T5 car had 3.73's but I would have to double check its worn out and an open diff so I got this junkyard traclok rearend lined up for the frankenstang
I thought my T5 car had 3.73's but I would have to double check its worn out and an open diff so I got this junkyard traclok rearend lined up for the frankenstang
kiddiccarus The first widely accepted Tranny 20+ Year Stangneter Dec 24, 2003 1,789 1,051 143 30 Mins from a Ragged GT Jul 27, 2004 #9 Jul 27, 2004 #9 Nice score for the trac loc, I am stupid the 3.73 is for the auto's because without that ratio the thing would not even get out of its own way. If your car came stock as a manual the 3.45 is correct I am ashamed.
Nice score for the trac loc, I am stupid the 3.73 is for the auto's because without that ratio the thing would not even get out of its own way. If your car came stock as a manual the 3.45 is correct I am ashamed.