Ok, I was reading some other topic and I read if you have a five speed and you take the car up to 70 in fourth gear, then it should read at about 3400 rpms.(If you have 3.42 gears) So the 3.42 gear ratio came stock with my car and I wanted to test this out. But when I got to 70, it was reading like 3200 rpms. Does this mean I have like 3.23 gears? Because the last owner of my car broke the axle and replaced it before he sold it to me. Could he have replaced it with an axle with those gears? And if they are 3.23 gears, does that hurt performance any? Just thought I would ask, thanks a lot!

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1992 Polo Green RS 3.1L K&N conical and working on the ram air....

"Yeah, it's a V6 SO WHAT!?"

 

It's possible that maybe he got different gears as well, but do you have stock tire heights, this will alter the reading. There is a more accurate way of telling, it has something to do with rotating the tires in the air and how many times they turn, or something like that I'm sure someone else can elaborate.

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"Rice burners are like tampons...Every pu$$y has to have one"
'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat, just switched to 180* b/c of winter coming and going to college in the mts.
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite

 

this belongs in Transmissions and Drivetrain