Restated your powerband with a 292/108 cam may be from ~4100 to 5900= 1900rpm.īut your trans has a requirement of. And 6000 in Third will be around 136 mph so that would be a pretty long pull from 77 to 136 lol. With a 727, that means on the 1-2 shift, the Rs will fall to 3540, which is well below the torque peak.īut 6000 in first gear with 3.91s and 27" tires is around 44 mph, and the 2-3 comes at about 77mph, dropping from 6000 to 4140, back into the basement as regards the torque peak. Which means a torque peak around 4100, and a shift rpm of about 6000. To get the 450hp number you will need it to be on a 108LSA or less. This will require something like the Mopar 292 cam,(248*.050) which makes peak power at about 5600. A 450 hp 360 with 3.91s may not be that street-friendly been there done that.
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