Performance figures for your FD??

Started by FDDreamer, May 30, 2006, 08:07:26 PM

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FDDreamer

I was just wondering if anyone has solid performance figures for their car? I\'ve read numerous threads about which cars a particular FD has beaten, or indeed been beaten by...but i was wondering if anyone has actually timed their car on a 0-100mph run, for example, or perhaps 40-120mph etc???

Be really interesting to see how modifications improve the time (and not just the power, as sometimes peak power isn\'t a brilliant measure of a car\'s flat-out potential) and also to compare an FD in various states of tune to contempory cars.

So come on guys, don\'t be shy!!!  :wave

Cheers,
Adrian
Adrian

sdminus

80 MPH to 130 MPH 4th gear pull from the log i have is 5 seconds flat. I have no idea if this is good or bad but its good for a 12.4 1/4 mile

Scott

fd with all bolt ons stock twin seq

FDDreamer

Awesome, thanks for that. I\'m interested as i\'ve recently acquired a 2-axis accelerometer and i\'ve been using it to time various cars in various states of tune, it\'s a great bit of kit as it\'s fully programmable to do runs from any speed to any speed (not just standing starts), and also measures G force whilst cornering. It\'s accurate to within 3% as it is, or 1% if configured correctly (to take aerodynamics, rolling resistance and squat etc into account).

So far my automotive guinea pigs have included a EP3 Civic type R, Impreza RB5 with light mods, Pug 106 Rallye with a 16v conversion and zero interior and a tuned Sapphire Cosworth. It\'s great practice for launching too, as you have hard data to compare.

All i need now is an FD or two to measure!!! :) Was thinking of bringing it along to a meet, as there\'s no installation whatsoever...but i\'m not sure if people would be interested?

Cheers,
Adrian
Adrian

noyzboy

It would be interesting to see it strapped onto Martin Yates FD at the next Autosolo on 9th July. Lots of start, stop, & turn

Noyzboy

FDDreamer

I\'d never heard of the Autosolo events! Just had a look on their website though, it looks great! The next one is at Bordon, is that right?

Do many members head over for these Autosolo events?
Adrian

noyzboy

I guess I\'ll be doing it with Martin Yates.
Oldone, Robedwards99 & CosmoDude have shown interest in the past. Hope they show in July

A video taken from one of the faster cars, a Caterham Superlight is still up on Putfile.   See :

http://media.putfile.com/Spring-Solo-Run-2006 (11MB - so may take a few mins to download)

Noyzboy

John Yorke

Bruntingthorp last year J Tuner day 0-60 4.7 0-100 10.3 that was on the old turbo and cr#p tyres unofficial times with new turbo and Yoko\'s 0-60 4.2, 0-100 8.5, 60 - 120+ dam sight quicker than an 03 Porker turbo :wave

sdminus

It would be most accurate to log times at speed rather than from a standing start. A few rotary tuners use it and it is very reliable R & D. It removes the traction variable.

TBH if you have a power fc you could always get a datalogit kit which will let you log time against many other variables. The logs can also be viewed as a text file. I will attach one underneath if my none member status will let me.

Scott

sdminus

Well i guess i cant then ... how pathetic......

FDDreamer

Ah shame...that would have made interesting reading...nevermind.

John, that\'s an incredible amount of performance you have on tap there!! Nevermind faster than an 03 Turbo, that\'s probably quicker than the 06 GT3!!! I say probably as i haven\'t seen any tests of it yet but Porsche are claiming a 0-100 time of sub nine-seconds, although they\'re normally conservative.

Still, the old turbo hit 100 in about 10 seconds flat, and is still surely considered one of the fastest real world vehicles around. A real achievement owning an FD quicker than that. (And by some margin!)

I agree that ideally times should be measured rolling, 0-60 times are great for pub ammo but not really a true reflection of a RWD car\'s potential. The cossie i mentioned is very very quick from about 60 up, but struggles with wheelspin something rotten up to that point. But i suppose in fairness rolling starts would lean the bias to RWD as opposed to 4WD as the transmission losses would be less.

But, ultimately, if you were to have a tussle, it\'s performance from rolling that counts, and the same for track work (start apart!).

This is very intersting though. Scott and John, do you chaps know your car\'s current HP?
Adrian

sdminus

Sorry mate. According to my last time slip i go from standing to 90mph in 8 seconds.

i have no dyno results tho

John Yorke

Trying to upload the graph at the mo ....... 465.2atw, approx 550fwh

FDDreamer

QuoteTrying to upload the graph at the mo ....... 465.2atw, approx 550fwh

 :2eek Wow no wonder the Porker didn\'t see which way you went!! Assuming your car is relatively close to the stock weight (i\'m assuming you don\'t have scissor doors apparently made from lead on your FD? :) ) i think that would give you a power to weight ratio of about 430bhp/tonne! That is amazing, i\'m guessing there really isn\'t much on the road that will keep up??

QuoteSorry mate. According to my last time slip i go from standing to 90mph in 8 seconds.

Hey no worries! Considering you went from 80 to 130 in about 5 secs i\'d say you are probably looking at about 9 secs to 100! That\'s also amazing, considering the mods you have. I\'m guessing you\'ve got your launch technique down? :)
Adrian

Marky B

Probably not much help but when I got my car (stock ) with proven 265 bhp at WGT I ran a 14.2 sec 1/4 @ york raceway

Then with Apexi filters, downpipe decat cat back, an Power FC it dyno\'d at 309.4 bhp (both figures at the fly an on the same dyno pak - WGT) an I ran a 13.03 1/4 @107.4 mph  the next day at Japshow - Santapod last year.

Mark

FDDreamer

OK, thanks. That\'s interesting, i was watching a long video i found via a torrent site somewhere and the 280bhp later spec FDs were running 13.5 secs, which splits your two times in half, but that\'s as it should be considering the power differential.

I found an interesting formula which is proving reasonably accurate on some test calculations.
                                 
Potential 0-60 time = Weight of Vehicle/Max BHP (fly)*0.9

Of course this isn\'t definitive, or anything close, but it is reasonably telling. For example, your stock car would be running, at best, a 5.3 to 60. After your mods, this time dropped to about 4.7 secs. Looking at your results down the quarter, i\'d say that was feasible!

With very high power cars it looks a little optimistic (John\'s beast returned a predicted 2.6 to 60!!) but i think it is showing the car\'s potential, if every other factor (traction, elevation, driver skill, torque and power curve, gearing etc etc etc) is perfect. It seems for very powerful cars the multiplier needs to be reduced to 0.6 or so, but it\'s OK for a bit of fun! :)
Adrian