TCI 451903 - TCI Ultimate Streetfighter Torque Converters

TCI #890-451903

Ultimate Streetfighter Converter

1970-Up Ford C4

1.375" crank pilot

11-7/16" bolt pattern

Accessories

Share |

Complete list of TCI Ultimate Streetfighter Torque Converters

Details
Overview
Accessories

TCI 451903 - TCI Ultimate Streetfighter Torque Converters Details

Ford

Heavy-duty front anti-ballooning plate for nitrous applications

Dipstick goes into transmission pan

Converters Designed Specifically for Extreme Street Machines

Furnace-brazed hand-welded fins

Cast steel stator

Needle bearings

Dual bolt pattern

Hardened pre-ground pump hub

Computer balanced

High torque multiplication

Higher RPM launches

Lower elapsed times

Torque converters suited for street/strip cars up to 1200 HP

Note: Flexplate must be drilled for 7/16" bolts except LS1 applications

Street/Strip Performance Torque Converter General Application Chart

Torque Converter Series advertised
camshaft duration rear gear ratio engine characteristics expected rpm stall speeds

small block big block

Sizzler stock to 260° stock to 3.23 smooth idle, stock comp. ratio
1500 to 1700
1700 to 1900

Saturday Night Special
stock to 265°

stock to 3.23
smooth idle, stock comp. ratio
1600 to 1800
1800 to 2000

Breakaway
265° to 280°

3.00 to 3.73
fair idle, mild modifications
2200 to 2400
2400 to 2600

StreetFighter
280° to 300°

3.55 to 4.56
rough idle, large fuel system, raised comp. ratio
3000 to 3400
3400 to 3600

Super StreetFighter
280° to 310°

3.73 to 4.88
rough idle, large fuel system, raised comp. ratio top end power
3500 to 3800
3800 to 4000

Ultimate StreetFighter 290°+ 3.73+ 1000+ horsepower with power adders 3500+ 3800+