anorak
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Everything posted by anorak
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Just checked the sheet. Max ambient temp was 45 degrees! Mina did a run at Stealth in April 2003 and got a max temp of 58 Where are these measured? In the radiator?
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Just had a look at 3 RR results on my car from the last 18 months. They show transmission losses of 58bhp (yesterday) 41 (Feb this year) and 53 (March '03). I did 2 runs in my 'Rado at Jabbasport on the same day and got a 6bhp difference in tranny loss, so you've got to wonder. :? So personally I'd take the run down figures with a bit of a pinch of salt (likewise the corrected flywheel figures unfortunately). The only actual measured reading that is comparable between cars is the power at the wheels. This time mine was down from 279 to 230, a big drop due to the fuelling problems no dou
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I'm bemused by the tranny losses as well. Mine lost 58bhp apparently this time but just 41 in Feb. Tracking? Binding brake pads? As Pete says - it's what is at the wheels that matters on the road. Mine was almost 50bhp down on last time so I've booked a date with Vince !heart
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I'm sure the temp. figures on my printout read; min ambient - 15 degrees max ambient - 45 degrees (which is a little Sahara like - so Ill check tonight) Not sure where the max ambient reading is taken from but I thought the corrected power (the one everybody quotes) took temperature and barometric pressure into account, giving a theoretical power figure at 10 degrees C and 1000mb pressure? Vince did say at an earlier meet that unless the cars had sat switched off for an hour or so heat soak after a long drive could adversely affect the power output. Mine went on after about an hour so I've
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Nice, Olly. None of the biturbo from Ingolstadt?
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Cool photos Shame nobody else lives out in the sticks of Cambridgeshire - I had a one car convoy home! :?
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If you've got any of mine it would be mucho appreciato jacksonm@deanandbowes.com (Grey 5 door on BBS RCs - came last in Show'n'shine )
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As above - big thanks to the organisers - cheers. Just got to get my 8psi pulley put back on now. Congrats to Pedrox and Binliner for the Show'n'shine. 2 fantastically presented motors. In fact I feel priviledged to have come 7th (out of 7!) All your cars were beaut! (the MK2 especially so Toby ) Olly - I think Jabbasport have a 4wd road (and they're quite near me ) [ Edited Sun Oct 31 2004, 04:07PM ]
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Torque is a twisting force so is a measure of how strongly an engine can turn a driveshaft and will dictate how quickly a car accelerates and how much weight it can pull. F1 cars have 900bhp but it's at enormous crank speeds (19,000rpm). At those rpm the engine is only developing about 250lbft. It's peak torque is probably produced at around 15,000rpm. While 290lbft sounds relatively low (I thought F1s made more like 400) it accelerates so quickly because it weighs just 500kg. Imagine a Golf with 1000lbft and you're getting close to F1 acceleration! A superbike engine works similarly to F1 eng
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I won't dispute a GPS reading (although they're not 100% accurate, they're certainly better than car speedometers) so if you saw 157mph on yours then that's how fast your Corrado could go. What I do stand by is how much power a Corrado would need to do 157mph. Assuming you might have had wind direction in your favour you'd still have had to have close to 240bhp. That's definately the most I've ever heard of a stock 2.9 VR6 making. (Sure it didn't have a supercharger bolted on somewhere? ) Top speed is entirely down to maximum power output, regardless of mid-range torque. Power is a by-produ
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I'll go halves with you if I can have the car at weekends Stage 1 looks awesome for £750 though - 388lbft - like having 2 Schricked VR motors! !amazed
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For pressin' the throttle!
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Just looked on the BBC weather site and Sunday has a low temperature forecast of just 1 degree in Southam. Good for engine performance but not for toes! %-6
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£305 is very good (fully comp, right?) That's about what I was quoted for a standard VR and I'm much older (mine's not quite standard, I was just curious)
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Shiny isn't it? It excites! We're not looking under bonnets at the Show'n'Shine though are we?
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Yes mate. Air resistance is why you need to cube the top speed increase to work out the required power increase. It means that increasing power by 10% only gives a 3% increase in speed. Or put anoother way - a bolt on cone filter giving a quoted 8bhp extra on a VR should increase top speed by just 2mph. With regard to tranny losses if you work on 15% for fwd' date=' 17% for rwd and 20% for 4wd you won't be far out. A lot of rolling roads quote higher losses (to bump up the flywheel figures, usually). I've seen lots of standard VRs give around 150bhp at the wheels on a RR Day. Allow a 15% loss
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She's finally Charged!! Now With Pics!!!!!!
anorak replied to mark@vagworx's topic in Engine Maintenance and Problems
HIC loaded mine an extra 35% for the 'charger. (That was quoting a 60bhp increase over standard ) -
I'm bored of tv' date=' so; The original (big turbo) Escort Cosworth was tested by Autocar in 1995 and did 0-60 in 6.3 and 0-100 in 17.9 The first VR Golf (3 door) recorded 7.1 and 18.7 So while the Ford is predictably quicker off the line with 4wd traction the 2 cars 60 - 100mph times are identical. The Golf was actually a tenth of a second quicker between 30 and 70 (6.3 secs). So I reckon a standard (if one exists) Cossie Escort and VR6 Golf would stay virtually side-by-side from 30 to 138mph (both cars' recorded top speed) If you ever follow one off a roundabout see what happens The 330
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She's finally Charged!! Now With Pics!!!!!!
anorak replied to mark@vagworx's topic in Engine Maintenance and Problems
Then get one, Pete. Once you've been blown you never look back :? -
She's finally Charged!! Now With Pics!!!!!!
anorak replied to mark@vagworx's topic in Engine Maintenance and Problems
8) Welcome to the world of forced induction! I'd have thought 260bhp was a conservative estimate with your spec. -
8) James is a really nice bloke - he did the article on my old (Toby's) MK2 VR in February. Said he's a big VR6 fan (probably tells everyone the same thing ) so I'm sure he'll do what he can to get it in print. [ Edited Tue Oct 26 2004, 02:12PM ]
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Pinking At 3500rpm - Anyone Else?
anorak replied to anorak's topic in Engine Maintenance and Problems
