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03-20-2000, 12:35 PM
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#1 |
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Registered Member
Join Date: Jan 2000
Location: Warner Robins, GA, USA
Posts: 210
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Rear End Gears
I have a '97 Cobra and need to replace the ring and pinion due to wear. Does anyone know what the factory gearing is? I cannot find it in my manual or supplemental manual. I would like to go a notch lower.
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03-20-2000, 01:12 PM
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#2 |
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Guest
Posts: n/a
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They should be 3.27 if your car is a 5spd not to sure about an auto but that is the factory option.
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03-21-2000, 12:53 PM
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#3 |
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Registered Member
Join Date: Jan 2000
Location: Warner Robins, GA, USA
Posts: 210
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Which gears would you recommend? I was thinking of 3.73 but that may be a little to low. Maybe I should go with 3.55.
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03-21-2000, 01:19 PM
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#4 |
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Registered Member
Join Date: Jan 1999
Location: Danbury, CT, USA
Posts: 273
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Go with at least the 3.73s. Most guys say 4.10s for Cobras.
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03-21-2000, 02:01 PM
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#5 |
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Guest
Posts: n/a
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I like my 3.73's but I also like the 4.30's in my Probe Gt. I would go with 4.30's if I had the chance to do it again. The high revving nature of the DOHC can easily manage it and 5th gear driving on the highway and around town would be very entertaining I would think.
------------------ (96Cobra/softtop-3.73,almdrvsht,fancontrl,steeda sbfrmes+shifter,eibachspgs,pulleys,Bassani X pipe,C&L 80mm Cobra DYNO 301rwhp horsepower w/out steeda timing adjuster 93 Ford Probe Gt(slower but turns) |
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03-21-2000, 07:18 PM
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#6 |
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Git jiggy
Join Date: Oct 1999
Location: MO USA
Posts: 865
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All cobras are 5-speeds. Go with the 3.73s. Especially if it's your daily driver and you want to keep some descent gas mileage. 4.10s if it sees alot of track work and you don't mind sucky mpg's. The 3.73s would be the perfect one's actually. Also to tell what you have in your 8.8" look at the back side of the differential. There will be a metal tag on it. I believe it's the second line on the tag that will tell you your gear ratio. It'll say something like 3L27 if you have the 3.27s. The L stands for the positrac. 3L08 or 2L73, or if no posi then like 3 27, 3 08 or 2 73. 3.55s would be pretty good too but with your DOHC I'd recommend the 3.73s. Good luck.
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03-25-2000, 09:04 PM
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#7 |
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Registered Member
Join Date: Jan 2000
Location: columbus, ohio
Posts: 22
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I have had every gear mentioned in this post. I am running 4.56's and I checked the mileage and it is 18.5 mpg. when I had 4.30's I got 21.5, 4.10's = 23 mpg, and 3.73's netted me 25 even. I run a N/A 97 cobra with 275 Nitto's. I think if you run 3.73 gears and a new Z-28 lines up next to you at a light you would be in trouble. 4.10 maybe not! 4.30 and you can beat him!!! Rpm with 4.30 at 65 mph was 2400 not that bad!!!
------------------ 97 cobra, 430-456 gears,mac-longtube headers,ect,ect,ect |
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03-26-2000, 08:32 PM
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#8 |
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Registered Member
Join Date: Apr 1999
Location: Clear Lake, Ia
Posts: 186
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James
That's good info, thanks! here come the 4.10's. ------------------ Bad Dad 99 Electric Green Cobra/Medium Parchment Tri-Ax shifter Remove Mass Air Screen K&N Air Charger System Pre FIX 255RWHP & 264RWTQ |
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