Choosing a stall converter
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spend on performance mods. So I paid attention to what I had. | spend on performance mods. So I paid attention to what I had. | ||
The converter was an 1800-stall. I could, occasionally, chirp a tire from a dead stop. But i soon got curious | The converter was an 1800-stall. I could, occasionally, chirp a tire from a dead stop. But i soon got curious | ||
| − | + | about the [b]converter slippage[/b]: | |
| − | + | Cruising along at 55 MPH, lift off the throttle, the RPM instantly dropped 200 RPM. Ease back into it, it came | |
| − | + | back up by 200 RPM. In later years, I came to learn that this is typical of most stock GM converters, though I | |
| − | + | doubted, and still doubt, that that converter was stock. | |
| − | + | But then I tried it the other way: stomping the gas, RPM climbed another 200 RPM. Did that mean a total of 400 RPM | |
| − | + | of slippage? I lifted off. Yes, a total slip at WOT of 400 RPM. Again, fairly typical it turns out. | |
| − | + | [b]Lesson learned[/b]: normal slip of torque converters. Also applies to lockup style when not locked. | |
Combo 2: '78 Camaro LG3 ( 145-HP 305 ) TH350, swapped stock 1200-stall for B&M TorkMaster 2000 converter, 3.08:1 | Combo 2: '78 Camaro LG3 ( 145-HP 305 ) TH350, swapped stock 1200-stall for B&M TorkMaster 2000 converter, 3.08:1 | ||
axle, 235/70R15 tires. | axle, 235/70R15 tires. | ||
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