need help math wizards - The 1947 - Present Chevrolet & GMC Truck Message Board Network

pkj · 01-17-2007, 11:08 AM

i am trying to figure out what my rpm will be at 55, 60, 65, 70 mph using a 31 1/2 inch tall tire with 3:73 and 4:10 gears. no overdrive. thanks, pkj

67ChevyRedneck · 01-17-2007, 11:14 AM

This should work for you...

http://www.csgnetwork.com/multirpmcalc.html

**Yukon Jack** · 01-17-2007, 11:14 AM

Go here scroll down a bit and input your info.

pkj · 01-17-2007, 12:15 PM

thanks both great sites. pkj

redz 1970 K5 · 01-17-2007, 12:27 PM

He said 'MATH' wizards, not 'LINK' wizards... Cheaters...

67ChevyRedneck · 01-17-2007, 02:06 PM

Quote:

Originally Posted by redz 1970 K5

He said 'MATH' wizards, not 'LINK' wizards... Cheaters...

I used to know how to do it, but I dropped Mechanical engineering sophomore year to be a Civil engineer, so unless he has a question about storm drain boxes I'm a "link whore"

mnunn454 · 01-17-2007, 06:56 PM

And here I was, reading the posts and thinking I was going to see someone work some fancy math, some advanced calculus or something.

No. I've got it....."differential equations"........

01-17-2007, 11:08 AM	#1
pkj Senior Member Join Date: Jun 2006 Location: waycross ga. Posts: 438	need help math wizards i am trying to figure out what my rpm will be at 55, 60, 65, 70 mph using a 31 1/2 inch tall tire with 3:73 and 4:10 gears. no overdrive. thanks, pkj

01-17-2007, 11:14 AM	#2
67ChevyRedneck Hittin E-Z Street on Mud Tires Join Date: Nov 2004 Location: Greenville, SC Posts: 23,090	Re: need help math wizards This should work for you... http://www.csgnetwork.com/multirpmcalc.html __________________ Jesse James 1967 C10 SWB Stepside: 350/700R4/3.73 1965 Ford Mustang: 289/T5-5spd/3.25 Trac-Loc 1968 Pontiac Firebird: Project Fire Chicken! 2015 Silverado Double Cab 5.3L Z71 2001 Jeep Wrangler Sport 4.0L 5spd 2020 Chevrolet Equinox Premium 2.0L Turbo 2011 Mustang V6 ~ Wife's ride American Born, Country by the Grace of God 1967 CST Shop Truck Rebuild! My 1967 C-10 Build Thread My Vintage Air A/C Install Project "On a Dime" Trying my hand at Home Renovation! 1965 Mustang Modifications!

01-17-2007, 11:14 AM	#3
Yukon Jack Post Whore Join Date: Feb 2000 Location: Rose Hill, KS, USA Posts: 12,684	Re: need help math wizards Go here scroll down a bit and input your info. __________________ 1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14

01-17-2007, 12:15 PM	#4
pkj Senior Member Join Date: Jun 2006 Location: waycross ga. Posts: 438	Re: need help math wizards thanks both great sites. pkj

01-17-2007, 12:27 PM	#5
redz 1970 K5 OBS guy Join Date: Jun 2004 Location: SoCal Posts: 1,060	Re: need help math wizards He said 'MATH' wizards, not 'LINK' wizards... Cheaters... __________________ 88 Suburban Goodies- Alpine, Auto Meter, BDS, Bilstein, B&M, BFG, Borgeson, Bushwhacker, Cowl hood, Flowmaster, Genuine Gear, Holley, Infinity, JVC, K&N, MB Wheels, MSD, Pioneer, Skyjacker, Sony, Thorley, Walker + more

01-17-2007, 06:56 PM	#7
mnunn454 Registered User Join Date: Dec 2006 Location: Rhode Island Posts: 602	Re: need help math wizards And here I was, reading the posts and thinking I was going to see someone work some fancy math, some advanced calculus or something. No. I've got it....."differential equations"........ __________________ 69 C-10 SWB Fleetside 454/TH400 (For Sale) http://67-72chevytrucks.com/vboard/c...ct=1299&cat=12 70 El Camino 454 TH700 29 Model A 4-DR Sedan Deluxe



Register or Log In To remove these advertisements.

Register or Log In To remove these advertisements.