View Full Version : Horsepower Estimate
Lukn4trbl355
11-18-2008, 05:41 PM
i dont have the money to get my truck dynoed but i did run it at the track last summer and i was wondering how much power im around. if any of yall have a good estimate let me know. my truck ran a 14.18@99.06 and id like to know how much power it makes at the flywheel or wheels
thanks
Fast305
11-18-2008, 05:52 PM
i dont have the money to get my truck dynoed but i did run it at the track last summer and i was wondering how much power im around. if any of yall have a good estimate let me know. my truck ran a 14.18@99.06 and id like to know how much power it makes at the flywheel or wheels
thanks
Anywhere from 50 hp to 5,000 hp. Depends on many other things that we do not have info about.:dunno:
custm2500
11-18-2008, 06:04 PM
With the total lack of info anything running low 14s I would bet has 350+ hp. The heavier you are the more power obviously. I am guessing being you have a truck you aren't terribly light so I am guessing near 400 hp. This is a rough guess.
Lukn4trbl355
11-18-2008, 06:20 PM
fast305 what other info do you need? and custm2500 i could only wish i had that much power but idk n i doubt im making anything near that to my knowledge its got a stock cam and i have no clue if the heads have been touched or not
Fast305
11-18-2008, 06:24 PM
fast305 what other info do you need? and custm2500 i could only wish i had that much power but idk n i doubt im making anything near that to my knowledge its got a stock cam and i have no clue if the heads have been touched or not
Gearing, Tire size, Vehicle weight, frontal area, transmission, suspension modifications. Its important to have all the specifications on your truck. A truck that is ligher and uses its power efficiently will move down a measured distance quicker than a heavier truck that waste its power to driveline losses and cannot grip the road due to tires/suspension.
Lukn4trbl355
11-18-2008, 07:26 PM
i have no clue what u mean by frontal area. but heres what i know. 3.42 LSD, tires r 33X12.50R15s weight idk, trans 5spd with stgII clutch, 5 inch total lift, as far as engine mods, 355 forged flattops, CR 10:1, forged crank n rods, stock cam,no head work that i know of, edelbrock intake, Hedmann LT's with 2.25 dynatech powercats dumped off headers. and a few more mods i cant think of at the moment. oh btw fast 305 that story bout the whole undercover cop this is bada$$!!! i wish the cops around here were cool. they all hate me cuz of my exhaust and its not even that loud
Fast305
11-19-2008, 08:46 AM
as far as engine mods, 355 forged flattops, CR 10:1, forged crank n rods, stock cam,no head work that i know of, edelbrock intake, Hedmann LT's with 2.25 dynatech powercats dumped off headers. and a few more mods i cant think of at the moment.
It will depend on the stock cam and heads you are running. I am going to say with those mods, even a stock TBI motor will be 280-300 flywheel horsepower and atleast 350 ft/lbs of torque. It will be a lower rpm powerband, all power under 5,000, most likely flat lined by 4,500.
Quicksilverado
11-19-2008, 02:25 PM
If you know the weight of the truck this will give general idea.
http://www.race-cars.net/calculators/et_calculator.html
Lukn4trbl355
11-19-2008, 05:42 PM
im not 100% sure its the stock cam, might be a really mild one. but sounds like a stock cam. noses over at 5500 but i usually shift it anywhere from 5k to 5200 depends on what im racing lol. and id be totally satisfied with that amount. i dropped 2tenths from shifting at 4500-5k wich was weird. i dont like pushing it over 5k. btw do u think with what i had then and the chip im getting i could possibly break a 13.99 i was 3 tenths off n would a chip make the 3tenths difference? and thanks to everyone who helped
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