This is topic oh yeah how bout gearing for the cobra in forum Tech Talk at Northern California Ford Owners  .


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Posted by rollin5ive0 (Member # 8592) on :
 
i want to go 373's like i usually do with a fox body but if i went 3.55's in my 93 cobra would it be somewhat of a waste, who knows the rpm diffrence of 3.73 vs 3.55 and for that matter how bout the rpm diffrences from my stock 3.08's vs 3.55 vs 3.73's i only really wanna go 3.55's cause my lil bro's 5.0 seems to run out of gear on the frwy and hes basicly got ALL the bolt ons except heads and cam just curious on some opinions???????????
 
Posted by JohnB (Member # 969) on :
 
3.55s are a good all-around gear. Your RPM will be dependent on your tire size and transmission type.
 
Posted by MikeD. (Member # 8060) on :
 
yeah I cant keep my car in the gears long enough I pull for a second then I have to shift and that when I get passed. Do 3.55's.
 
Posted by rollin5ive0 (Member # 8592) on :
 
i think im goin for the all around 3.55 thank you gentelmen for the advice
 
Posted by MikeD. (Member # 8060) on :
 
JohnB's got some for a 100 bucks
 
Posted by whitelx91 (Member # 8317) on :
 
id stick with 3:55's on a blower car.
 
Posted by rollin5ive0 (Member # 8592) on :
 
uhhhh its a good thought but a blower is a lot further down the line i still have to save up for them gears haha lol...
 
Posted by whitelx91 (Member # 8317) on :
 
quote:
Originally posted by rollin5ive0:
uhhhh its a good thought but a blower is a lot further down the line i still have to save up for them gears haha lol...
My bad i was thinkn you had a blower lol oooops! Well good luck with saving for the blower. With that being said are you all stock? Ive always liked the 4:10's on an n/a car or even 3:90's is a good choice. I did have 3:55's and in wanted more gearing so i opted for the 4:10's. Its really all in what you like and how you drive.
 
Posted by jaejae (Member # 7958) on :
 
ve had both..i like the 3.73's better..not sure bout goin to 4.10's yet..but deciding on some 3.90's maybe...but yea 3.55's wasnt enough
 
Posted by 86- 50 (Member # 4723) on :
 
quote:
Originally posted by rollin5ive0:
i want to go 373's like i usually do with a fox body but if i went 3.55's in my 93 cobra would it be somewhat of a waste, who knows the rpm diffrence of 3.73 vs 3.55 and for that matter how bout the rpm diffrences from my stock 3.08's vs 3.55 vs 3.73's i only really wanna go 3.55's cause my lil bro's 5.0 seems to run out of gear on the frwy and hes basicly got ALL the bolt ons except heads and cam just curious on some opinions???????????
Don't 93 cobras already come with 373's.
 
Posted by Yellow94GT (Member # 431) on :
 
quote:
Originally posted by MikeD.:
yeah I cant keep my car in the gears long enough I pull for a second then I have to shift and that when I get passed. Do 3.55's.
Sounds like you need to learn how to shift faster. [Wink] There is nothing wrong with a stockish car and 3.73's. Back in the day my car would pull 1.6 60fts at the track and still get 25+ mpg on the highway. To each there own, but I would say 3.55's are a waist until you are making major power. JMHO [burnout]

[ March 16, 2009, 01:31 AM: Message edited by: Yellow94GT ]
 
Posted by FoX GT (Member # 4587) on :
 
quote:
Originally posted by rollin5ive0:
who knows the rpm diffrence of 3.73 vs 3.55 and for that matter how bout the rpm diffrences from my stock 3.08's vs 3.55 vs 3.73's
http://www.corral.net/tech/gearcalc.html
 
Posted by 1SicSVT (Member # 8991) on :
 
yup i say 3.55s my boy has an SS with 4.30s and i pull on him a lot more in between his shifts 3.55s are good
 
Posted by EXcobra/LS1NOW (Member # 8408) on :
 
Just get the 373's an run a taller tire wont have no problem with running out of gear... With 355's your probably gonna want more gear. If it was me I would run 390's but im not much of a freeway racer like to go from a dig!
 




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