High-torque starter is a subtype of the interia starters. Such starters are usually installed on the modified vehicles, which have got certain performance upgrades to the engines and transmission. When the engine compression rating is increased, the OEM starter may not cope with the spinning, not only because of higher compression, but also due to stiff valve springs.
If the camshaft is replaced with a performance-oriented one, there may be a cranking problem as well. High-torque starters feature higher rpm and are more resistant to heat, which means that they do not lose power because they do not get overheated in terms of gear reduction construction.
High-Torque Starter
High-torque starters
| ENGINE COVERAGE | COMMENTS (All Models 12 Clocking Positions) | PART # |
|---|---|---|
| Chevrolet Small Block/Big Block 262 - 454, V6/V8 | A/T or M/T (153 or 168 Tooth Flywheel/Ring Gear) | PSL 100 |
| Ford 221 - 351W, L6/V8 | A/T (Windsor Engine) | PSL 101 |
| Ford 221 - 351W, L6/V8 | M/T (Windsor Engine) | PSL 102 |
| Ford 351 - 400M, V8 (429 - 460 Boss/Big Block) | A/T or M/T (Modifi ed Engine/Late Model) | PSL 103 |
| Ford Modular Engines ( V8, 4.6L/5.4L and V10, 6.8L) | A/T or M/T | PSL 104 |
| Chevrolet Small Block/Big Block 262 - 454, V6/V8 | A/T or M/T, 3 Clocking Positions (153 or 168 Tooth Flywheel/Ring Gear) | PP 106 |
| Ford 221 - 351W, L6/V8 | A/T, 3 Clocking Positions (Windsor Engine) | PP 101 |
| Ford 221 - 351W, L6/V8 | M/T, 3 Clocking Positions (Windsor Engine) | PP 102 |
| Ford 351 - 400M, V8 (429 - 460 Boss/Big Block) | A/T or M/T, 3 Clocking Positions (Modifi ed Engine) | PP 103 |
| Oldsmobile/Pontiac 330 - 455, V8 | A/T or M/T, 2 Clocking Positions. Located on Backside of Mounting Block (Using Stock Flywheel/Ring Gear) | PP 105 |
| Chevrolet Small Block/Big Block 262 - 454, V6/V8 | A/T or M/T, 3 Clocking Positions (153 or 168 Tooth Flywheel/Ring Gear) | PE 106 |
| Ford 221 - 351W, L6/V8 | A/T, 3 Clocking Positions (Windsor Engine) | PE 101 |
| Ford 221 - 351W, L6/V8 | M/T, 3 Clocking Positions (Windsor Engine) | PE 102 |
| Ford 351 - 400M, V8 (429 - 460 Boss/Big Block) | A/T or M/T, 3 Clocking Positions (Modifi ed Engine) | PE 103 |
| Oldsmobile/Pontiac 330 - 455, V8 | A/T or M/T, 2 Clocking Positions. Located on Backside of Mounting Block (Using Stock Flywheel/Ring Gear) | PE 105 |
