What RPM

toy4whatever · 12-11-2006, 11:00 AM

I've got a '90 x-cab pickup, 3.0, 5spd and was wondering what rpm should I be at going 70mph. I'm usually pushing 3200. That seems kinda high to me. As for as I know I've got stock gears and I'm running 31" tires. I'm only the second owner and I dont think the old guy I got it from did anything to it.

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MMA_Alex · 12-11-2006, 11:04 AM

did it come with 31's stock? whats the gearing?

If it didnt come with 31's stock then you will be doing faster than 70 when the spedo says 70.

langzaiguy · 12-11-2006, 11:08 AM

MMA's right-- you'll be doing 3-5 miles per hour faster than what the spedometer is telling you. I've got a '91 22re with 31's on-- my tach registers about the same as yours at your speed. I'd say it's pretty normal. I've found that I get my optimal mpg's between 60-65 miles per hour.

4Crawler · 12-11-2006, 11:17 AM

You can try the calculators on this page to find out your gearing:
http://www.4crawler.com/4x4/4LoCalc.shtml

12-11-2006, 11:17 AM	#4 (permalink)
4Crawler Contributing Member Join Date: Jun 2002 Location: SF Bay Area, CA Posts: 7,832	You can try the calculators on this page to find out your gearing: http://www.4crawler.com/4x4/4LoCalc.shtml __________________ 1985 Toyota 4Runner SR-5, 22REC engine, dual t-cases, 4.88 gears, dual ARBs, 33x10.50 BFGs or 35x12.50 MTRs r.c.brown@ieee.org TruckEditor@tlca.org Project: 4Crawler 4Crawler OffRoad Gettin'Off 4WD Club

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12-11-2006, 11:04 AM	#2 (permalink)
MMA_Alex Registered User Join Date: Apr 2006 Location: Downeast, ME/Rochester, NY Posts: 1,421	did it come with 31's stock? whats the gearing? If it didnt come with 31's stock then you will be doing faster than 70 when the spedo says 70.

12-11-2006, 11:08 AM	#3 (permalink)
langzaiguy Registered User Join Date: Nov 2006 Location: Georgetown, KY Posts: 155	MMA's right-- you'll be doing 3-5 miles per hour faster than what the spedometer is telling you. I've got a '91 22re with 31's on-- my tach registers about the same as yours at your speed. I'd say it's pretty normal. I've found that I get my optimal mpg's between 60-65 miles per hour.