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RPM's to high?
Posted: Fri Dec 04, 2009 11:11 am
by shane1992
Hey when im sitting on 80km/h my RPM's read 3000 and 100km/h reads 4000
Is this to high for a 91 vitara 1.6L Carby? Its also an Auto if that helps.. My mate said that it sounds a little too high, but hes not sure cause he dosnt know much about the vitara's.
If its to high, what are the possible problems?
regards, shane
Posted: Fri Dec 04, 2009 11:45 am
by alien
lol bit weird someone saying theyre revving too high =) haha
my sierra with 1600 EFI in it, 31's and 5.14 tcase does 2400rpm at 80 in 5th and about 3400ish for 100km/hr which i find just nice. Keep in mind 5th was designed more as an overdrive in early zuks, nothing wrong with grabbing 4th to get up a hill =) haha
Im sure an expert on vitara gearing will chime in with stock RPM rates - but if you're driving bog stock vitara it does sound a little high to me.
Posted: Fri Dec 04, 2009 11:48 am
by oldmate
Does a vitara that old (auto) have an overdrive? if it does is it shifting into it?
Posted: Fri Dec 04, 2009 2:58 pm
by joeblow
there is no problem. its a trimatic, no overdrive.
Posted: Sun Dec 06, 2009 3:09 pm
by Gwagensteve
I get 3700rpm calculated for a stock auto carby vitara @ 100.
I'm aware there's some converter slip on the highway, but you do seem to be revving a bit harder than normal.
Checked the level/condition of the auto fluid? How quickly does it shift into reverse after you've moved the lever?
The auto might need a freshen up.
Steve.