Hey everyone, I recently bought a g-tech on ebay for $50. All of the functions seem to work good, but the horsepower ratings are only showing about 138-140 everytime. I'm using it on a nice flat road and have tried going through first gear only, second gear only, combination of both with no luck. Is my car really down on horsepower? I've been able to pull off a 6.93 0-60, so it doesn't seem like it would be too low?? Thanks.

 

I would never trust those things, but it's probably pretty close
to that in whp.

 

I was under the assumption that a stock SH should be in the mid to high 150 range at the wheels stock. Maybe I'm wrong??

 

Maybe on a DYNO, not a g-tech. All that thing is good for, at best, is measuring a base line, and then seeing if anything you do to the car improves the times. That is if you drive exactly the same each time you do a test. That thing will not give "real world" numbers, only a tool to use to compare one modification to the next, on the same car.

 

Alright, that makes me feel better. Would anyone that has a g-tech mind posting there HP numbers to see how they compare to mine?

 

That's kind of my point, you can't really use one of these things to compare from one car to another, only modifications you've made to your own car, to see if they were really worth it.

 

g-tech

 

The G-tech itself is a decent unit for the cost. But remember, it'll only work comparing for your test area. Not everyone's (or yours) test ground will be level, not bumpy, etc. Nor does everyone know the exact weight of their car. Just set an arbritrary weight and keep it, and keep one test area to test. That's about it... But if you wanna have fun, find an area where you have a flat ground where you start and then a steep hill upward. You'll get into the 600+ hp range depending on the hill.

 

g-tech HP is BS, quarter mile can be pretty accurate, but that's about all i would trust on it.

 

G-tech is not accurate, the only way to get a more accurate wheel horsepower measure is to go to a dyno. Even the acceleration measuring is not accurate go to the track for that, they have laser equipment solely for the porpose of measuring acceleration.