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Ehm ... is my PPPd scoob not PPPd ??

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Old 11 June 2006, 10:19 PM
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Dram300
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Default Ehm ... is my PPPd scoob not PPPd ??

We were coming out of some 40mph restricted motorway roadworks this afternoon and thought we'd see how quickly our WRX could do the 50-70mph jaunt (as you tend to do on a sunny Sunday afternoon).

I recall that someone on here said that a PPP'd car should bust the jaunt in around 7.5 seconds with a standard car puffing over the line in around 10.

Unfortunately, no VBOX was available, so the wife broke out the precision time piece that is the SonyEricsson K750i Stopwatch function. 9.5 seconds. On the way home through the same roadworks, said experiment was repeated, 9.5 seconds.

Possible causes of the modest discrepancy ...
1. Sainsburys SuperUL on board.
2. Brain lag between pilot and co-pilot (a second at most).
3. The cars not fully PPP'd.

Physical evidence of PPP is the Prodrive exhaust, the smattering of blue pipes under the bonnet and the ubiquitous installation certificate.

Am I missing a CPU or something?
Old 11 June 2006, 10:28 PM
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Crosstalk
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Your wife's extra weight must make a wee bit of difference to the acceleration. Did you do it in 2nd and 3rd or just 3rd?
Old 11 June 2006, 10:32 PM
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Bubba po
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Originally Posted by Crosstalk
Your wife's extra weight must make a wee bit of difference to the acceleration. Did you do it in 2nd and 3rd or just 3rd?
You're joking! In third it ought to take about half that! I'm assuming it was in 5th.
Old 11 June 2006, 10:55 PM
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Dram300
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Fifth of course, I'd be cutting my fuelpipes if it was in third !!! I think my TDI can muster 50-70 in about 10 secs in 3rd.

I would have thought the wife would add a few tenths, not 2 seconds.
Old 11 June 2006, 11:15 PM
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SPEN555
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Your TMIC in this weather could have had heatsoak and in this weather the power would be sapped thus your poor time?
Old 11 June 2006, 11:31 PM
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turbodan
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Aliens?
Old 12 June 2006, 07:34 AM
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Dave_68
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Originally Posted by Dram300
1. Sainsburys SuperUL on board.
My STi PPP feels like it looses 50 HP when I used this....Very slugesh.

Don't use it anymore.
Old 12 June 2006, 08:26 AM
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darren...
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IIRC the timings are as the car accelerates through from 50-70 in the gear, not doing a steady 50 and then accelerating.
Old 12 June 2006, 08:33 AM
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JohnD
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[QUOTE=darren...]IIRC the timings are as the car accelerates through from 50-70 in the gear, not doing a steady 50 and then accelerating. [/QU

Just about to say that myself! Already accelerating makes the world of difference.

JohnD
Old 12 June 2006, 09:35 AM
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Originally Posted by Dram300
We were coming out of some 40mph restricted motorway roadworks this afternoon and thought we'd see how quickly our WRX could do the 50-70mph jaunt (as you tend to do on a sunny Sunday afternoon).

I recall that someone on here said that a PPP'd car should bust the jaunt in around 7.5 seconds with a standard car puffing over the line in around 10.

Unfortunately, no VBOX was available, so the wife broke out the precision time piece that is the SonyEricsson K750i Stopwatch function. 9.5 seconds. On the way home through the same roadworks, said experiment was repeated, 9.5 seconds.

Possible causes of the modest discrepancy ...
1. Sainsburys SuperUL on board.
2. Brain lag between pilot and co-pilot (a second at most).
3. The cars not fully PPP'd.
4. I was in 5th Gear!

Physical evidence of PPP is the Prodrive exhaust, the smattering of blue pipes under the bonnet and the ubiquitous installation certificate.

Am I missing a CPU or something?
See above!!! In the right gear a PPP WRX should be doing that in 3 seconds!

Lag between co pilot and driver won't help, nor will starting from 50 as opposed to driving through it, which is how the official readings are taken I believe, then you have the extra weight of the passenger, the fact that the ambient temps have been through the roof etc....

Ns04
Old 12 June 2006, 07:33 PM
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Crosstalk
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Originally Posted by Bubba po
You're joking! In third it ought to take about half that! I'm assuming it was in 5th.
Haha, you're right of course, what a feejit I am.

OK, I timed the 50-70 out of curiosity, and got the following (standard MY05 wagon, no PPP) -

- 5th gear - 9.5 seconds
- 2nd and 3rd - 4.5 seconds

That was going through 50 on the way to 70, rather than sitting at 50 in the chosen gear and then flooring it. I was counting elephant 1, elephant 2 etc too, but I'm pretty accurate at that...
Old 12 June 2006, 07:42 PM
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Originally Posted by Crosstalk
Haha, you're right of course, what a feejit I am.

OK, I timed the 50-70 out of curiosity, and got the following (standard MY05 wagon, no PPP) -

- 5th gear - 9.5 seconds
- 2nd and 3rd - 4.5 seconds

That was going through 50 on the way to 70, rather than sitting at 50 in the chosen gear and then flooring it. I was counting elephant 1, elephant 2 etc too, but I'm pretty accurate at that...
Ah, but were they African or Indian elephants????

Ns04
Old 12 June 2006, 08:54 PM
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John57
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I don't try timing my Scooby but even though it's PPP'd the performance at the moment is unsurprisingly rubbish given the temperatures ..... when it is a bit cooler again I am sure it will feel a bit more energetic !
Old 12 June 2006, 08:57 PM
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I tend to find things work better with an Intercooler Waterspray. Good job I bought an Sti.
Old 12 June 2006, 10:03 PM
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Dram300
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Curisosity made me try the same in my VAG TDI (130), 7.4 in 3rd (rev limiter bouncing at indicated 75mph), 12.2 in 5th.

Thanks for the through 50-70 tip ... I'll try that in the dark of night when the aliens are in bed and the ambient conditions are at their coolest. Just to be sure, I'll stick in some race fuel and find a 40% gradient, you know, real world performance benchmarking !!!

Got to see the tank of a specC, surely all them gallons of water sloshing about in the boot tank is a bad thing for handling.

Thanks again.

Last edited by Dram300; 12 June 2006 at 10:10 PM.
Old 21 June 2006, 11:32 PM
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It was a dark, cool night last night and the aliens were in bed and the car told me it wanted to try accelerating through 50 onto 70 ... just like the Scoobynet heroes suggest ...

Jaunt 1: 7.6 secs
Jaunt 2: 7.8 secs
Jaunt 3: 7.8 secs

Call it 7 and a bit, close enough to PPP spec for me ... on supermarket 97RON as well !!!

Job done, I can sleep at night again.
Old 21 June 2006, 11:47 PM
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Shark Man
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Chug along at 50mph dip the clutch give the engine a good revving with full throttle prods to spin up the turbo and ease out the clutch again as per standing starts....zooom! 70mph in no time

Clutch might smell abit though
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