#4127, "Is mph a good indication of your hp if you don't launch the car?" May-14-04 02:43 PM by eclipse804
Hey all,
I had a question about quarter mile times. Is my mph a good indication of how much power the car makes, even if I don't launch my car? The reason I ask is that I see some N/A 2gnts running 88-89 mph trap speeds. That's the same as I got with my WRX, except I didn't really launch it. I just slip the clutch from 4-5k. I can manage 2.1-2.2 sec 60 foot times (whereas people that launch hard manage 1.8 sec). So does that mean when my WRX was stock, that it would be even with an N/A 2gnt in a race?
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2004 WRX - WR Blue Pearl 1997 Eclipse GS - Royal Sapphire Pearl
#4128, "RE: Is mph a good indication of your hp if you don't launch the car?" In response to Reply # 0
I wouldn't think so becuase my best run in my SRT is a bit of a mind boggler.
In all I ran a 14.3 @ 95 mph. That's a pretty low trap speed IMO. I should be seeing 100 flat. I think this becuase on that run my 60 ft was 2.6 and I see other stock SRT's trap higher.
#4129, "RE: Is mph a good indication of your hp if you don't launch the car?" In response to Reply # 1
dunno really...but when i ran boosted i was trapping 97-98mph with 14.5 runs...it seems that our eclipses trap really high for the times we run...i was trapping 90mph running 15.8's before turbo..
#4130, "RE: Is mph a good indication of your hp if you don't launch the car?" In response to Reply # 0
Originally posted by eclipse804 Hey all, I had a question about quarter mile times. Is my mph a good indication of how much power the car makes, even if I don't launch my car? The reason I ask is that I see some N/A 2gnts running 88-89 mph trap speeds. That's the same as I got with my WRX, except I didn't really launch it. I just slip the clutch from 4-5k. I can manage 2.1-2.2 sec 60 foot times (whereas people that launch hard manage 1.8 sec). So does that mean when my WRX was stock, that it would be even with an N/A 2gnt in a race?
MPH is a decent indicator if you launch consistently. MPH can jump when you spin your tires too much, even though you end up running slower 1/4 mile times.
Also, comparing AWD to FWD trap speeds doesn't work as a HP comparison. The AWD will (most of the time) have a lower mph for the same trap speed.
#4131, "RE: Is mph a good indication of your hp if you don't launch the car?" In response to Reply # 3
Thanks for the info guys...so in simple terms, if I ran one of you that traps at 88-90 mph from a roll, would it be even?
Since my 60' times are in the 2.1-2.2 sec range without a hard launch, and most 2gnt (NA) don't get lower than a 2.2 sec 60' time, then doesn't that mean that once both cars get rolling, they probably would be even? I launch with no wheel spin at all since I baby it. I've never launched an MT 2gnt so I guess I'm not sure how it goes. Is wheel spin a major problem even past first gear, or is it just the initial launch?
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2004 WRX - WR Blue Pearl 1997 Eclipse GS - Royal Sapphire Pearl
#4132, "RE: Is mph a good indication of your hp if you don't launch the car?" In response to Reply # 4
Originally posted by eclipse804 Is wheel spin a major problem even past first gear, or is it just the initial launch?
Depends on the car. Stock 2gnt? Launching only. My SRT for example or any other high horsepower 2g here....I have to watch traction in first and second. After modding I imagine I'll be into 3rd with no traction on a clutch dump.
#4145, "RE: Is mph a good indication of your hp if you don't launch the car?" In response to Reply # 5
marcus FUCK yea it is.. like chris said the gsr was no fun after boost really, I used to love stringing out 1st and 2nd.. if i gave it a bit of gas in 1st forget about it, I would spin spin spin
couldnt go over 6k in 1st and 2nd, gsr redline is 8100
if i shifted really hard from 2nd to 3rd it would spin a little and catch, sometimes I could get 2nd but I had to shift so fast
short gearing and a 12.5lb flywheel I revved pretty fast
highway was fun, stop to stop wasnt, though most of the time a solid 2nd gear pull would throw more then enough distance to not worry about 3rd
at 6lbs untuned, I had pretty good traction all around though and that was fun.. then tuned at 10.5 it was goodbye tires
but thats fwd
if I came out spinning unless I let off Id spin through all 4 gears until 5th
I love dino and 2gnt. ####ers (my word) bliz stole it but i let him borrow it
#4580, "RE: Is mph a good indication of your hp if you don't launch the car?" In response to Reply # 7
Me and my ex-roommate used to go screw around right after I got the jetta, just to compare the two vehicles.
Thing is, if he gave me any head start over 1 - 1.5 car lengths, the race would be very even. His AWD and shorter gearing would grip and launch like hell, and that needed some balancing. At 20+ runs, he can edge me slightly in 2nd, and can't pull any farther from 3rd on.
The point is... a WRX's weakpoint is it's high-end. The car has awesome midrange and can pull some sick launches, but the AWD system taxes accleration along with the car's weight (which is about that of a jetta.) This lack of high-end is what gives you bad MPHs. You get such a good start that you can cover the distance in 14.3, but the lasers at the end of the run will catch this.
There's no question that you'd blow a 2gnt out of the water, even many of the lightly turbo'ed ones. The majority of this lead is going to come from the 0-60, and the rate of gaining is going to diminish after that.
