Hello members! I need some dyno information

[JohnHenry]

Just tried to find some dyno results for a 2008 4.7 or newer..... Had no luck. Please do any of y'all have a link or info on the stock numbers to the rear wheels? I understand 310/330 are my stock numbers but havent found out if its to the crank or rear wheels. Either way, I really would like to know the RW numbers.

 

[Stangshcky12]

That's crank hp
The 4th gen hemi are rated at 390 hp at the crank and are putting down 305ish at the wheels I think
Typical driveline loss is 15-20%, usually 20% for automatics

 

[JohnHenry]

Okay thank you very much! That puts my truck hopefully around 260-290 RWHP currently. I'm guessing that my 310/330 crank numbers get me at least 230 stock RWHP. I have to wait for the local dyno runs in the spring to find out for sure.

 

[KGBIGCOUNTRY]

These trucks show 20-25% all the time

 

[HemiSwapped06]

These trucks show 20-25% all the time

240-250 is about right.....My 06 bone stock was around 181 RWHP and 280 RWTQ on an engine rated at 235 HP/300 TQ. After 08 intake, HO cams, catback exhaust and SCT tuning it was 240 RWHP/300 RWTQ

 

[JohnHenry]

Well alright then... Thank you for a closer comparison. Hopefully I can get to the 300 RWHP range within the next year. I still need the dyno ASAP so I know where its at. I hope that 310 crank HP still generates minimal of 225 RWHP stock. All three of my additions should have added 30-40 more HP. Putting me pretty close to your number stated.