Time to up those 2.73 gears????

Stang Runner · 06-05-2001, 08:26 PM

I am thinking of geting some 3.55, will those work good on a street car?? How hard are there to do. What would I need to do it??

------------------
1988 LX 5.0
Drivetrain: 2.73 Stock Gears, World Class T-5, Lakewood Bellhousing, Summit Adjustable Cluch Quadrant & Cable, Alumminum Driveshaft, Flaming River Manual Steering Rack
Suspension: MAC Control Arms,Maximum Motorsports Front Grip Package, H&R Sport Spings, Bilstein Shocks
Engine: Steal Mounts, Ram air, K&N, Under Drive Pulles
Exhaust: 1 5/8 Un-Equal Length Mac Headers, X-pipe W\cats, Edelbrock cat\back

1BAD89 · 06-05-2001, 08:48 PM

Have a rear end shop do it. Unless your a skilled technician don't attempt it. What are your thoughts about 3:73's?

------------------
3:55's,BBK Off-Road H-pipe,BBK jet-hot coated equal length shorty headers,BBK 70mm Throttle Body,BBK adjustable clutch quadrant,C & L 76mm Mass air meter,Cobra R's 17x9 w/ 245's,Trick Flow Intake,Flowmaster Force II exhaust system, Super Duty T5,Centerforce II Clutch,Heavy Duty Radiator,9mm Ford racing plug wires,Accel cap and Rotor

www.geocities.com/i8urvpr/JM.html?987369348700

Stang Runner · 06-05-2001, 10:09 PM

How street able are they I plan on putting a 351 in it with about 400HP. Would that be to much of a gear? I eat my tires up with the 2.73 that I have now. What kind of MPG would I get. Thanks.

Stang Runner · 06-05-2001, 10:10 PM

I see you have 3.55, when do you shift??

Stang Runner · 06-06-2001, 09:02 AM

I got a quote of $275 For the labor is that about right, I am having it done in the car. Is there a difference in the brands of gears?? Thanks

06-06-2001, 04:19 PM

I'd go w/ the 3.55's if I were you (especially if yo ever plan on adding a blower).

------------------
'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; JMS Chip; 190 lb fp; TFS track heat Intake (12.299 @ 113)

06-05-2001, 08:26 PM	#1
Stang Runner Registered Member Join Date: Jun 1999 Location: Walker, MI, USA Posts: 1,202	Time to up those 2.73 gears???? I am thinking of geting some 3.55, will those work good on a street car?? How hard are there to do. What would I need to do it?? ------------------ 1988 LX 5.0 Drivetrain: 2.73 Stock Gears, World Class T-5, Lakewood Bellhousing, Summit Adjustable Cluch Quadrant & Cable, Alumminum Driveshaft, Flaming River Manual Steering Rack Suspension: MAC Control Arms,Maximum Motorsports Front Grip Package, H&R Sport Spings, Bilstein Shocks Engine: Steal Mounts, Ram air, K&N, Under Drive Pulles Exhaust: 1 5/8 Un-Equal Length Mac Headers, X-pipe W\cats, Edelbrock cat\back

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06-05-2001, 08:48 PM	#2
1BAD89 Tubbed and Juiced Join Date: Mar 2001 Location: Tulsa, Oklahoma Posts: 1,861	Have a rear end shop do it. Unless your a skilled technician don't attempt it. What are your thoughts about 3:73's? ------------------ 3:55's,BBK Off-Road H-pipe,BBK jet-hot coated equal length shorty headers,BBK 70mm Throttle Body,BBK adjustable clutch quadrant,C & L 76mm Mass air meter,Cobra R's 17x9 w/ 245's,Trick Flow Intake,Flowmaster Force II exhaust system, Super Duty T5,Centerforce II Clutch,Heavy Duty Radiator,9mm Ford racing plug wires,Accel cap and Rotor www.geocities.com/i8urvpr/JM.html?987369348700

06-05-2001, 10:09 PM	#3
Stang Runner Registered Member Join Date: Jun 1999 Location: Walker, MI, USA Posts: 1,202	How street able are they I plan on putting a 351 in it with about 400HP. Would that be to much of a gear? I eat my tires up with the 2.73 that I have now. What kind of MPG would I get. Thanks.

06-05-2001, 10:10 PM	#4
Stang Runner Registered Member Join Date: Jun 1999 Location: Walker, MI, USA Posts: 1,202	I see you have 3.55, when do you shift??

06-06-2001, 09:02 AM	#5
Stang Runner Registered Member Join Date: Jun 1999 Location: Walker, MI, USA Posts: 1,202	I got a quote of $275 For the labor is that about right, I am having it done in the car. Is there a difference in the brands of gears?? Thanks

06-06-2001, 04:19 PM	#6
bada$$lx Guest Posts: n/a	I'd go w/ the 3.55's if I were you (especially if yo ever plan on adding a blower). ------------------ '90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts); 30# injectors; JMS Chip; 190 lb fp; TFS track heat Intake (12.299 @ 113)