Is 3900 rpms at 70 mph bad?
Originally Posted by fr130
Nope, still 3K@70mph as before. How about tire pressure? Recommended on stock steelies/tire is 29/30psi as per manual. I'll check my cold air pressure early tomorrow morning.
doesn't matter what your tire pressure is
doesnt matter if you have lego wheels or monster truck wheels.
when the speedo says 70mph the tach is gonna say 3500 if you have the 5speed.
Originally Posted by jackmott
doesn't matter what your tire pressure is
doesnt matter if you have lego wheels or monster truck wheels.
when the speedo says 70mph the tach is gonna say 3500 if you have the 5speed.
doesnt matter if you have lego wheels or monster truck wheels.
when the speedo says 70mph the tach is gonna say 3500 if you have the 5speed.
[quote="George"]
The solution isn't all that cheap. The Echo final drive might fit and would lower engine RPM by about 25%. A partial solution is to fit larger diameter tires, which would lower engine RPM by about 10% max.
George
I am really interested in this Echo final drive. Do you think it would throw the ECU out of whack? :?:
Also, How "not cheap" are we talking here? 1000$? More?
Thanks
Originally Posted by OC Scion
The solution isn't all that cheap. The Echo final drive might fit and would lower engine RPM by about 25%. A partial solution is to fit larger diameter tires, which would lower engine RPM by about 10% max.
George
Also, How "not cheap" are we talking here? 1000$? More?
Thanks
Guest
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Originally Posted by George
The solution isn't all that cheap. The Echo final drive might fit and would lower engine RPM by about 25%. A partial solution is to fit larger diameter tires, which would lower engine RPM by about 10% max.
George
George
Find out more about trannys at www.precisiontranmissions.com just click on the FAQ area.
Anyone able to inform me as to how the xB runs at near 100? Due to my large 15 size feet they weigh more you see,...so the pedal is pushed farther down
. Actually I can't stand anything less than 90 on the freeway. Around towning is always 50-60 unless school zone...I'm not a complete pyscho. Tee hee.
Originally Posted by xtremeOrange
Anyone able to inform me as to how the xB runs at near 100? Due to my large 15 size feet they weigh more you see,...so the pedal is pushed farther down
. Actually I can't stand anything less than 90 on the freeway. Around towning is always 50-60 unless school zone...I'm not a complete pyscho. Tee hee.
gas mileage isnt anywhere near the rated 36mpg or whatever tho when you get above 70mph =)
hell I ran all day at texas world speedyway constantly near redline and the engine didn't complain one bit.
Originally Posted by fr130
I guess this is a manul tranny issue (70@3.9k rpm)? At 70MPH, mine (auto-tranny) is at 3K. Then again, I drive slowly to 70MPH on a flat freeway.
at least that is what mine does.....and i have 5 speed...
Guest
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the auto is supposed to have higher RPMs then the 5 speed. The auto is a 4 speed and the manual is 5. I know because when I make a manifold back system for any scion, I have to ask if it is an auto or stick. The auto is louder on the freeway then the manual. I have done testing and heard the complaints!
does anyone know what gear ratio is in the axle? i thought i read somewhere that it had 4.11's so the it could make better use of the 108hp. if this is so then of course it turns 4k at 80, that what my 5speed does too. its the price you pay for low gears and a little engine.
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