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7" Race Converters
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If you would like a
specific recommendation from a TCI® product specialist based on
your vehicle specs, click
here. |
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Group
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Description/Application
Super Stock, Modified & Comp Eliminator Classes
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Stall Range (RPM) |
Vehicle Weight (lbs.) |
Engine CID
600-900 horsepower |
Rear Gear |
Tire Size |
Fuel CFM |
Engine RPM Range |
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1 |
Heavy Super Stock Cars. 8500 rpm, Low-Torque
|
5700-6200 |
2900-3200 |
SB 265-327 cid |
5.38 to
6.50 |
28" to
32" |
750 to 1050 |
6500-8500 |
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2 |
Heavy Super Stock Cars, 8500 rpm,
Low-Torque |
5900-6400 |
3200-3400 |
SB 265-327 cid |
5.38 to 6.50 |
28" to 32" |
750 to 1050 |
6500-8500 |
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3 |
Heavy Super Stock Cars, 8500 rpm,
Low-Torque |
5600-6100 |
3400-3700 |
SB 265-327 cid |
5.38 to 6.50 |
28" to
32" |
750 to 1050 |
6500-8500 |
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4 |
Heavy Super Stock Cars, 8500 rpm,
Low-Torque |
5600-6100 |
3400-3700 |
SB 265-327 cid |
5.38 to 6.50 |
28" to
32" |
750 to 1050 |
6500-8500 |
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5 |
Heavy Super Stock Cars. 8500 rpm,
Low-Torque |
5700-6200 |
3200-3400 |
SB 265-327 cid |
5.38 to 6.50 |
28" to 32" |
750 to 1050 |
6500-8500 |
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6 |
Heavy Super Stock Cars. 8500 rpm, Low-Torque |
5600-6100 |
3400-3700 |
SB 265-327 cid |
5.38 to 6.50 |
28" to
32" |
750 to 1050 |
6500-8500 |
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7 |
Light Super Stock or Comp
Eliminator Cars, 10,500 rpm, Low-Torque |
7500-8000 |
2100-2800 |
SB 300-360 cid |
5.38 to 6.50 |
28" to
33.5" |
750 to 1050 |
8500-11,000 |
| 8 |
Light Super Stock or Comp Eliminator Cars, 10,500 rpm, Low-Torque |
7700-8200 |
2100-2800 |
SB 300-360 cid |
5.38 to 6.50 |
28" to
33.5" |
750 to 1050 |
8500-11,000 |
| 9 |
Light Super Stock or Comp
Eliminator Cars. 10,500 rpm, Low-Torque |
7500-8000 |
1500-2900 |
SB 300-380 cid |
5.38 to 6.50 |
28" to
33.5" |
750 to 1050 |
8500-11,000 |
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10 |
Light Super Stock or Comp
Eliminator Cars, 10,500 rpm, Low-Torque |
7500-8200 |
1500-2900 |
SB 265-327 cid |
5.38 to
6.50 |
28" to
33.5" |
750 to 1050 |
8500-11,000 |
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11 |
Light Super Stock or Comp
Eliminator Cars, 10,500 rpm, Low-Torque |
7500-8200 |
1500-2900 |
SB 265-327 cid |
5.38 to
6.50 |
28" to 33.5" |
750 to 1050 |
8500-11,000 |
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12 |
Light Super Stock or Comp
Eliminator Cars, 10,500 rpm, Low-Torque |
7500-8000 |
1200-2200 |
SB 231-260 cid |
5.38 to 6.50 |
28" to
33.5" |
750 to 1050 |
8500-11,000 |
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13 |
Light Super Stock or Comp
Eliminator Cars, 10,500 rpm, Low-Torque |
7800-8200 |
1200-2200 |
SB 231-260 cid |
5.38 to
6.50 |
28" to
33.5" |
750 to 1050 |
8500-11,000 |
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14 |
Light Super Stock or Comp
Eliminator Cars, 10,500 rpm, Low-Torque |
8000-8400 |
1200-2200 |
SB 231-260 cid |
5.38 to
6.50 |
28" to
33.5" |
750 to 1050 |
8500-11,000 |
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Description/Application
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Group 1 |
Group 2 |
Group 3 |
Group 4 |
Group 5 |
Group 6 |
Group 7 |
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1967-87 Torqueflite 904, 24-spline input, (except lock-up) |
143801
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143803
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143809
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143814
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143816
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143819
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143821
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1965-90 TH350/400 small bolt pattern (except lock-up) |
254601
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254603
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254609
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254614
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254616
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254619
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254621
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1962-73 Aluminum Powerglide |
740701
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740703
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740709
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740714
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740716
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740719
|
740721
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1966-89 C-6, 289-302-351-400-429 with 1.375" crank pilot |
446701
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446703
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446709
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446714
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446716
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446719
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446721
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1970-1981 C-4, 26-spline, 1.375 pilot (MUST SPECIFY bolt circle 10-1/2" or 11-7/16"
& case-filled or pan-filled transmission) |
470701
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470703
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470709
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470714
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470716
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470719
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470721
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Description/Application
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Group 8 |
Group 9 |
Group 10 |
Group 11 |
Group 12 |
Group 13 |
Group 14 |
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1967-87 Torqueflite 904 24-spline input, (except lock-up) |
143823
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143826
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143838
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143839
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143846
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143861
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143866
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1965-90 TH350/400 small bolt pattern (except lock-up) |
254623
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254626
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254638
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254639
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254646
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254661
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254666
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1962-73 Aluminum Powerglide |
740723
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740726
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740738
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740739
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740746
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740761
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740786
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1966-89 C-6, 289-302-351-400-429 with 1.375" crank pilot |
446723
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446726
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446738
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446739
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446746
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446761
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446766
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1970-1981 C-4, 26-spline 1.375 pilot (MUST SPECIFY bolt circle 10-1/2" or 11-7/16"
& case-filled or pan-filled transmission)
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470723
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470726
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470738
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470739
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470746
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470761
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470766
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