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| Convertors. Slant v.s. V8 https://slantsix.org/forum/viewtopic.php?t=34977 |
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| Author: | Bren67Cuda904 [ Tue Apr 21, 2009 11:10 am ] |
| Post subject: | Convertors. Slant v.s. V8 |
Its my understanding that a convertors stall is based on torque. If a slant 6 puts out 300 ftlb of torque and 235 hp and a V8 puts out 300 ftlb and 230 hp, they should stall the same right? |
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| Author: | Joshie225 [ Tue Apr 21, 2009 11:19 am ] |
| Post subject: | |
It really depends upon the RPM at which the torque is developed. If your engine doesn't make 300 ft/lbs until say 3000 RPM and the torque converter stalls at 2000 RPM you are not putting 300 ft/lbs of torque to the converter at the converter's stall speed. All else being equal the larger engine should produce it's peak torque (and horsepower for that matter) at a lower RPM and generate a higher stall speed. I learned something valuable when I changed the engine in my B300 van. The engines were both 318s, but the fresh one with the 360-2bbl cam produced slightly less torque at the converter stall speed than the worn out 318 with the standard cam. So with the fresh engine the torque converter stalled at a lower RPM and it was harder to spin the tires from a stop. Freeway cruising was considerably improved however. |
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