Yeah, pretty disappointed.

15.5 is about a stock time for my car :confused:

A lot of it maybe refining technique and my inexperience but I don't think this is a sub 15 sec car.

Thinking it over in the cold hard light of day -

The 380 has a lot of torque but also a lot of weight. The engine is trying to drag a huge ball and chain behind it. RWD has some compensation in that the weight will increase traction but the combination of weight and low down torque for FWD doesn't have any advantage only negatives.

Magtone and I had a run and he pulled at least threee car lengths while I was spinning. Once we got around 130 my car was holding him but it doesn't matter by then.

Although I think with practice I could get my car down to 15.2, I don't think there is any way I could break into the 14s.

I think the lighter Magna with more power up in the rev range works better on the strip, and if I was really serious about a good time I would work the engine over and remove most of the low down torque higher into the rev range. Then it would no longer be such a good daily driver so it's not going to happen.

I did three runs, the second two without TCL which made a positive difference. The first two I feathered the throttle to reduce wheelspin whereas the last run I just mashed it to the floor immediately and ran every gear in manual to 6000rpm. That was the slowest time!

So I think I could refine my approach quite a bit to get the best out of it but my best trap speed was 91mph so if there was a sub 15 in there somewhere this speed should be at least 5mph faster.

End of the day we could pump lots more horsepower out of the motor but it's all being wasted in wheelspin. The best FWD cars there were small light turbos whose power kicked in up the rev range. They did great times avoiding masses of wheelspin.

So how does the Aurion get good times? Well i think that example backs my theory. For a start, it's lighter by a hundred kilos or so, which maybe crucial for FWD, and its power delivery is further up the rev range so it can use it all instead of wasting the torque in wheelspin.
The other example is the Wheels test of the TMR380 manual where they couldn't get better than a 15.5. Same thing, lots of wheelspin and no speed.

I hope I'm wrong but...

go buy a LSD and stop sooking :P

:bowrofl:

What was your MPH?

What was your MPH?

my best trap speed was 91mph so if there was a sub 15 in there somewhere this speed should be at least 5mph faster.
2nd time I've done this now in the past week or two for you :P That's a similar speed to what Boozer's TL VRX was pulling isn't it? Practice on better launches therefore may get you into high 14's perhaps?

2nd time I've done this now in the past week or two for you :P That's a similar speed to what Boozer's TL VRX was pulling isn't it? Practice on better launches therefore may get you into high 14's perhaps?
Thanks Rhys. Your the best. I was doing 96 (more HP :D ) and Boozer 93... I think.

Knotched. My manual 380 was doing a trap speed of 92.5 MPH and did a 15.49.

Knotched. My manual 380 was doing a trap speed of 92.5 MPH and did a 15.49.

Ok, so you got slightly better traction?
I was hoping even if the 60ft time was not good, the trap speed would be reasonably high :doubt:

But... I know the auto was taking the engine well above the best shift point - i.e. in the third it runs out of useful torque at about 5400rpm so shifting early might be worthwhile. Plus getting a good launch with TCL off might drop me a couple of tenths. For instance the first run was TCL on and the second run it was off - I dropped two tenths immediately on the second run.

So I think there is definitely more in it but needs practice. I thought it would be easier, a lot easier than a manual and it is, but need to work around those factors.
Even preloading the torque converter may not be such a good idea...

But it's still not going to get me close to 14s lol

I had just worked a 9.5 hr shift ( up at 4.30am) and driven 2 1/4 hrs to get there so was pretty tired by the time we got to light up. Added to that I had to get used to the environment so if (?) I go again I might concentrate a bit better on what I have to do.

It definitley takes a lot of practise to find out where your car runs best. I have been out a few times now, and have only just starting to discover where my car runs at its best. I know next time i will have a 14sec pass. you can still get there :)

Tony, it's great you improved all night.

Thanks for the encouragement. I haven't given up yet :D

good to hear, because I 'll be damned if I will before the car is gone.:badgrin:

What tyres are on now Knotched?

I'm surprised by that time Rich because it seemed your car was responding really well to the mods....certainly the power its putting out indicate that.

Just out of curiosity, did you have less than a quarter of a tank of fuel & remove your spare tyre, jack, the cover over the spare tyre, floor mats, music C.D's, baby seat, street directory, first aid kit etc because all that weight adds up??

Give me a drive!!!!!!!

I'll get it into the 14's or die trying!!!!!!!!!!!!

Ok, so you got slightly better traction?
I was hoping even if the 60ft time was not good, the trap speed would be reasonably high :doubt:

I had Kumho's on the car when i did that time. Wheelspin wasn't really an issue. I have more problems getting the TL off the line.




So I think there is definitely more in it but needs practice. I thought it would be easier, a lot easier than a manual and it is, but need to work around those factors.
Even preloading the torque converter may not be such a good idea...

But it's still not going to get me close to 14s lol

Here is an idea to try... I have found that auto cars (stock) bog down bad when you hold them on stall. My guess is that your stall speed for your auto will be around 1800 rpm so instead of holding it there, try flaring the revs from idle to stall whilst holding your left foot on the brake. I have found the momentum of the revving engine against the stall gives you a sort of slingshot off the line. Then when you get a green light, foot off brake and give it the berries while containing the wheelspin to the best of your ability! Personally i have found that this technique gives good results. Then you can play around with the tipshift for even better results.

Give me a drive!!!!!!!

I'll get it into the 14's or die trying!!!!!!!!!!!!

Bwahah!

Ok - but can I have the car back in one piece???



Here is an idea to try... I have found that auto cars (stock) bog down bad when you hold them on stall. My guess is that your stall speed for your auto will be around 1800 rpm so instead of holding it there, try flaring the revs from idle to stall whilst holding your left foot on the brake. I have found the momentum of the revving engine against the stall gives you a sort of slingshot off the line. Then when you get a green light, foot off brake and give it the berries while containing the wheelspin to the best of your ability! Personally i have found that this technique gives good results. Then you can play around with the tipshift for even better results.

Sounds good. Something to try, thanks.


Just out of curiosity, did you have less than a quarter of a tank of fuel & remove your spare tyre, jack, the cover over the spare tyre, floor mats, music C.D's, baby seat, street directory, first aid kit etc because all that weight adds up??

Yeah, all that - but I forgot the nail file in the glovebox :headbange

:D

Weight is your problem here, as with all lard ass family sedans. Don't get too hung up on the quarter mile times, it was never meant to be.

What are your guys 60 foot times. The trap speeds do show a 14second run, provided there is enough traction.

What are your guys 60 foot times. The trap speeds do show a 14second run, provided there is enough traction.

Knotched first run of 15.7 had a 2.59. i had a 2.34 with the 15.04. We are still determined. we will get 14's in an auto. Maybe Lenda can help the auto segment a little after his mods.

unfortunately i couldnt hear for the most part but i believe the tyres should be squealing to get a good trap. Not a burn out but i think it'd be ideal to start rolling with a bit of traction and then fight for it (traction) from about 10k's/hr.

Defs not good having an 11sec car next to you can't hear yourself think.

60ft is defs where it's at especially in an auto and the earlier on you are the bigger difference it makes at the finish. Read at multiple places that any time lost at the 60ft mark you can double at the end of the track.

Defs not good having an 11sec car next to you can't hear yourself think.

60ft is defs where it's at especially in an auto.

It was loud alright.

60ft was 2.44 so lots of improvement needed there.

mate, you'll get into the 14 second club easy. i knocked a full second off my times, first time i went i was pulling high 17s, now im into the 16s and will be low 16s soon :D if i ever find time to get out there that is...

but the first time is always horrible:doubt:

but the first time is always horrible:doubt:

Thanks mate. I must admit I thought it would be fairly easy lol being an auto etc with TCL blah blah.

Haha - brought back to reality :redface:


I'm surprised by that time Rich because it seemed your car was responding really well to the mods....certainly the power its putting out indicate that.

i think there is plenty of power - it's just trying to get it down on the track is the prob. Also the spare weighs an absolute ton, being steel. It must be 30kg alone. :nuts:

Marty, tyres are Falken.

I have said it somewhere before but I think anymore power would definitely need a LSD. Mine has plenty of wheelspin when I put the foot to the floor. Don't know if you remember my dyno run comments on 100 octane but I got an extra 3kw with wheelspin on the dyno in 3rd gear which when previously dynoed didn't spin. Once they put it in 4th gear I produced an additional 3kw. I have Yokohama tyres which are faily soft but I can still spin them up very easily, so super expensive rubber & LSD will see the times drop dramatically I think.

When I took my auto VRX to the drags, I found that stalling it up actually hindered my times due to axel tramp.

These best you can hope to achieve for your 60' is a 2.1sec... The rest would come down to gear shifts at the opportune times.

The tiptronic autos are crap - you have to be around .2 - .5 of a second ahead of when you need to change gears.



Dont be to disheartened with the times though.. They are still faster than most stock XR6's and equivalent Holdens..


Part of going to the drags is to have fun. If you achieved that then keep going back.

When I took my auto VRX to the drags, I found that stalling it up actually hindered my times due to axel tramp.

These best you can hope to achieve for your 60' is a 2.1sec... The rest would come down to gear shifts at the opportune times.

The tiptronic autos are crap - you have to be around .2 - .5 of a second ahead of when you need to change gears.



Dont be to disheartened with the times though.. They are still faster than most stock XR6's and equivalent Holdens..


Part of going to the drags is to have fun. If you achieved that then keep going back.

Good comments, guys.

I think I've been a bit harsh on the car and not enuff on my lack of skill. If I could get 2.1/2.2 for 60ft I'd be under 15 secs. Magtone was 15.04 with a 2.3 60ft so it seems acheivable.

Next time I'll be a lot softer on the takeoff and concentrate on shift points.

some tricks i have pulled out of my backside over the years that have helped me get decent times, seriously i only have just over 200kw atw's and i got a 12.9 so it has to work.

1stly get awesome sticky tires. Ive raced with street tyres but they're not the best. I got a 13.1 with street tyres and a 12.9 on slicks. Whatever you use drop the presure down to 15psi and do a mad 2nd gear burnout. LSD helps to get both going cause i might shat the diff if you do a single legger in 2nd gear.

2ndly, gut the car!!! I have nothing in the boot what so ever cept for my battery, empty glove box the works and i make sure the tank is almost empty with either 98 or 100 octane fuel.

works for me :D