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Special Service Mustang Tech Any and all technical questions for SSP cars. |
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#1
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What Gears are You Running?
I can't live with the stock 2.73s so I'm going to upgrade to 3.55s. Anyone running this ratio?
Gary
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2003 AB Mach 1 1992 PASP ( Sold ) 2013 Focus ST 2008 P71 |
#2
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You will get many different opinions on this one. I have 3.55s in my '88 red SCHP 5-spd and really like them. They put the car in a range of performance and driveability ( haul but not over rev at sustained highway speeds) . If the car is an auto, you might want to consider 3.73s.
A lot depends on what you want it to do with it. IE: daily driver or howl the hides every time you leave the house (4.56s). Good luck with your decision.
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Gregg '89 FHP Unit # 435 (Deceased) '89 FHP Unit # 1526 Troop H (Madison)SOLD 12/3/13 '89 SCHP Marked Unit # 2-12-80 SOLD 6/21/15 '88 SCHP Unmarked Unit # 2-12-23 SOLD 9/3/12 '90 MSHP Marked Unit # P-162 Plate # 642-HP SOLD 12/17/11 '88 MSHP Marked Unit # P-162 Plate # 642 |
#3
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3:73's for me.
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#4
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3:73 in my notch too!
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#5
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I've ran both gears in my street Mustangs over the years and 3.73's are in my opinion, the way to go. You'll see around 2450 rpms @ 75mph on the highway with a 5 speed and 275-45-15 tires. If you have your heart set on going with 3.55's I have two new sets of Ford Motorsport gears for an 8.8that I will ship to you for $140. Please PM me if I can help you out...
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#6
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3.73 speedometer gear
I have a 3.73 in the WI SSP and the speedometer was way off when I drove it. I checked the gear at the end of the speedometer cable and it was a 21 tooth but some of the teeth were worn off which could count for the needle wondering. What did you guys do to get the speedometer close to accurate? I read that the trans drive gear in the 93s had 8 teeth and on the chart, it indicated I would need the max of 23 tooth gear on speedometer and it would still be a bit off. They also mentioned the nylon gears last a little while and then it may break some teeth like the one I have. The other choice was to change the trans drive gear to a 6 or 7 but it is a big job. Any help would be appreciated or will I have to just live with it. Thanks
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#7
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3:27
I have a 93' Cobra disc brake rear in mine it has limited slip and factory 3;27 gears, in the rain you can drift on demand and in the dry it will break'em loose at will
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John Costa 1993 EX-FHP #1357 1991 NCHP #91-1212 2005 GT UNMARKED www.photobucket.com/johnsrides |
#8
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Quote:
Gary, I HATE 2.73's.....in anything so I don't blame you. I have 3.27's (original gear ratio) in the 93 FHP with the auto trans and it runs alot better than the 2.73's. I also plan on putting 3.55's in the gray coupe to make it more fun to drive.
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Jim for the first time since 1998 there is only two left: 1984 Oregon SP unmarked 1986 Idaho SP |
#9
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Gears
I'm running 430 Gears on my 1988 Mustang SSP!
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#10
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I have this exact rear in my 85 (the original 7.5" rear is long gone). I like the 3.27's OK, but I am considering a gear change over the winter to 3.90's or 4.10's (keep in mind I have tall 255 BFG's out back). With the 3.90's and tall tires, my final effective gear ratio would be close to 3.73's, should I ever fix my speedo.
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Bill Jr. To everyone out there, wherever you are. Remember, the light at the end of the tunnel may be the police chasing you down in their own Mustang! |
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