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tc for 3.07:1 gears??

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Old Jun 24, 2004 | 07:29 AM
  #1  
Caprice2002's Avatar
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Arrow tc for 3.07:1 gears??

what i want is TCI StreetFighter but from the table http://www.tciauto.com/converters/index.htm
it shows that TCI SF is for 3.55 to 4.56 gears only
will my 3.07:1 gears be killed or hurt if i put TCI SF????

series > cam duration > rear gear ratio:
Saturday Night Special > stock to 265° > stock to 3.23
Breakaway > 265° to 280° > 3.00 to 3.73
StreetFighter® > 280° to 300° > 3.55 to 4.56
Super StreetFighter™ > 280° to 310° > 3.73 to 4.88
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Old Jun 24, 2004 | 01:37 PM
  #2  
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What kind of rearend does that thing have? An 8.8" perhaps? Anyway, you'll be fine with that converter.
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Old Jun 24, 2004 | 06:55 PM
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thanks and sorry this might look stupid to u but our measurments are different than urs
all i know is that my rear wheel drive ratio is 3.07:1

if i will be fine then why tci showed this table to us?? could u explain plz i think the table says that i shouldnt go larger than breakaway.. i dont want to buy rear gears i dont have enough money .. but i still want the best power i can get without killing my gears
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Old Jun 24, 2004 | 07:43 PM
  #4  
AK's WS6's Avatar
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Well i'm not really shure why some of the stuff they put in those tables is even on there?? And yes you will be fine with the 3.07 gears. That is kinda between what some of us f-body guys have....2.73 and 3.23(stock) and plenty of guys run 3500+ stalls with those gears. And yeah what kind of rearend (axle) do they put on those?? Is it a solid rear or indepedent rear like the GTO's have??
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Old Jun 25, 2004 | 04:27 AM
  #5  
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The rear is IRS like the GTO. The diffs are manufacured locally.
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Old Jun 25, 2004 | 10:13 AM
  #6  
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yeah its IRS.. now i know what u talkin about
so can anyone explain the reasons of table plz??
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Old Jun 25, 2004 | 12:10 PM
  #7  
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I haven't looked at that table but it's probably showing you what is typically done with old style engines, non-OD trannys, and non-lockup converters. You wouldn't want to run a 4000 stall in a heavy car with 3.07 gears and no lockup for example. You'de be slipping constantly, get terrible gas mileage, and you would create alot of tranny heat that would need to be delt with. However, with a lockup converter it's a different story.
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Old Jun 25, 2004 | 12:31 PM
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ok from what u all said i understand that its VERY ok to put 3500 tci on a heavy car with 3.07 gears.. and thats what im gonna do
thanks all
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Old Jun 28, 2004 | 08:26 AM
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Kevin Winstead's Avatar
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The Colonel knows some stuff! The table is indeed for a older non-lockup style transmission. It doesn't apply to lockup style transmissions and converters.
Kevin W.
TCI Automotive
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