NNBS 4.8 Dyno results
i just have issues at 6300-6600rpm 
12-23-2011, 08:11 AM
#33
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To the OP, not trying to be a jerk by questioning the validity of your tuner's numbers, but I wonder if those came up a little bit optimistic on his end. A stock 4.8 has 305 hp at the crank, so I really don't see how a cam, exhaust, and tune are going to push you up 90+ hp. Not trying to start anything here, but I suspect that this was another case of the dyno not giving true numbers. Do you know what kind of dyno he has at his shop? IMO, I would say that your output is in the range of 340-360 hp at the crank. I could be wrong on this, so don't be offended, but those numbers just seem overly optimistic to me
12-24-2011, 06:36 PM
#35
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To the OP, not trying to be a jerk by questioning the validity of your tuner's numbers, but I wonder if those came up a little bit optimistic on his end. A stock 4.8 has 305 hp at the crank, so I really don't see how a cam, exhaust, and tune are going to push you up 90+ hp. Not trying to start anything here, but I suspect that this was another case of the dyno not giving true numbers. Do you know what kind of dyno he has at his shop? IMO, I would say that your output is in the range of 340-360 hp at the crank. I could be wrong on this, so don't be offended, but those numbers just seem overly optimistic to me
12-24-2011, 06:57 PM
#36
TECH Apprentice
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12-24-2011, 06:58 PM
#37
TECH Apprentice
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he has a bigger stall and 4.10's. he sprayed it into the 12's too. this is where I got the idea for my setup.
