Re: Unusual Cars Mkii Gti

Postby ShoreBoy on Tue 5/Oct/10 2:37pm

Yep it sure does! Bloody gorgeous IMHO!!
The ad where he drives on the tunnel roof annoys me though.
I much prefer the Lexus LF-A ad. What a sound!!:
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Re: Unusual Cars Mkii Gti

Postby philstar on Tue 5/Oct/10 3:46pm

jeyboi wrote:
word. The guys I used to work with at Toyota "experimented" with these two theories, and found the cars thrashed from the outset always just went "better". Hardly scientific, but certainly a good excuse to give someone else's car the jandal.


a friend thought this was caused by the flex in the rings, if you thrash it they flex up a bit more ( as they are under more acceleration at higher revs). If you take it easy when you are running in, then you get a small lip on the cilinder wall at the top on your rings travel. then if you thrash it after you finishing running in, your rings flex more and go over the lip.

don't know if I beleive him, but it would explain you workmates observation
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Re: Unusual Cars Mkii Gti

Postby FLATULENTFRIEND on Tue 5/Oct/10 6:50pm

philstar wrote:
jeyboi wrote:
word. The guys I used to work with at Toyota "experimented" with these two theories, and found the cars thrashed from the outset always just went "better". Hardly scientific, but certainly a good excuse to give someone else's car the jandal.


a friend thought this was caused by the flex in the rings, if you thrash it they flex up a bit more ( as they are under more acceleration at higher revs). If you take it easy when you are running in, then you get a small lip on the cilinder wall at the top on your rings travel. then if you thrash it after you finishing running in, your rings flex more and go over the lip.

don't know if I beleive him, but it would explain you workmates observation


Rings only travel so far up the bore – they don’t suddenly have the ability to go further once an engine is run in….if the bottom end bearings are really wore they’ll go a bit further up though :(

I think manufacturer’s have required running in procedures for good reasons. Best to stick to them :)
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Re: Unusual Cars Mkii Gti

Postby ShoreBoy on Tue 5/Oct/10 7:28pm

That's what I reckon. Having said that, surely every engine is bench tested these days before being installed, so it's not like the first time the customer turns the key is the first time that particular engine was started.

Did a track day on Saturday with the Primera Club. Good fun as per usual, and I managed my fastest time so far (2:07.5) on track 1 (A1GP track w/ super sharp exit from back straight) on the time attack. I didn't come last!!! Also got to be entertained by one of the primeras exploding rather spectacularly, fire and all!
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Re: Unusual Cars Mkii Gti

Postby Fraser on Wed 6/Oct/10 6:47am

Newer cars just have better machining tolerances. However a car that is driven hard will get hot and burn all the soot/shit off the internals. A bit like you riding your bike compared to some punter sitting on their arse in a car.

Bench tested...yeah right. :D

You can be sure every effort is taken to make sure that the envelope of your new car is checked. The guys doing burnouts at the docks, the hairy arsed trucker who gives it a quick spin before they put it on the transporter, the technician who does the pre-delivery inspection illustrating to the apprentice(s) just how fast the new model is on the road, the cleaner who gives it some toe for all the guys who no-speaky english. It is then given a quick spin by the bloke who sells you the car as he has to be able to relate to his customer when he makes comments like "it steps out on fast corners and sure is quick".
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Re: Unusual Cars Mkii Gti

Postby FLATULENTFRIEND on Wed 6/Oct/10 7:22am

[quote="Fraser"]Newer cars just have better machining tolerances. However a car that is driven hard will get hot and burn all the soot/shit off the internals. A bit like you riding your bike compared to some punter sitting on their arse in a car.

Come on Fraser – cars only get to a certain hotness – whether driven hard or not. They’re more likely to get the hottest while crawling in traffic.
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Re: Unusual Cars Mkii Gti

Postby kiwi_zg on Wed 6/Oct/10 7:52am

FLATULENTFRIEND wrote:
Fraser wrote:Newer cars just have better machining tolerances. However a car that is driven hard will get hot and burn all the soot/shit off the internals. A bit like you riding your bike compared to some punter sitting on their arse in a car.

Come on Fraser – cars only get to a certain hotness – whether driven hard or not. They’re more likely to get the hottest while crawling in traffic.


FF your are wrong. An engine running temp will be much hotter at full redline than 90% redline.
City driving, idling in traffic is not good for the engine, ever notice how a vehicle performs better after a long hard run. As Fraser said, cleans out the crap.
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Re: Unusual Cars Mkii Gti

Postby Spyder on Wed 6/Oct/10 8:00am

FLATULENTFRIEND wrote:Come on Fraser – cars only get to a certain hotness – whether driven hard or not. They’re more likely to get the hottest while crawling in traffic.


Never been in a race/rally car then? The passengers floor off the Evo used to get so hot that I could barely rest my feet on it. And you don't spend much time crawling in traffic in a rally stage :p
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Re: Unusual Cars Mkii Gti

Postby dented on Wed 6/Oct/10 8:52am

Regarding newer cars with better machining tolerances, here is a true story...

I used to work for a company that sold new cars in NZ, just before the government of the day changed the rules, and they stopped getting assembled here. At that time the engines were completely built up in NZ, at a prior time they were only installed as a complete crate unit that had been assembled in Japan.
Anyway, the car was sold to its owner, had the pre-delivery check done, etc, etc, and out the door it went. 1 month later it came back in for its first 1 month/1500km check, which was really just an opportunity for the customer to let us know about any faults/rattles/creaks, and get them fixed up. Aside from that it was a cursary look at fluid levels under the hood and that was about it. This particular customer said that on cold start-up, they werent 100% sure, but it seemed like it was mis-firing, this then cleared up a few minutes later when the engine got warm, and aside from that ran faultlessly.
Long story short, it was found that the engine had been assembled without a head-gasket. Aluminuim engine block, Aluminium cylinder head. The only real sign was that the radiator coolant resevoir bottle was empty, obviously at initial startup the engine temp meant that before the parts expanded, a little bit of coolant was able to seep into the combustion chamber, and cause a misfire.

The only real trick with this whole operation was to fix the fault without letting the customer know what had happened.
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Re: Unusual Cars Mkii Gti

Postby FLATULENTFRIEND on Wed 6/Oct/10 8:57am

kiwi_zg wrote:
FLATULENTFRIEND wrote:
Fraser wrote:Newer cars just have better machining tolerances. However a car that is driven hard will get hot and burn all the soot/shit off the internals. A bit like you riding your bike compared to some punter sitting on their arse in a car.

Come on Fraser – cars only get to a certain hotness – whether driven hard or not. They’re more likely to get the hottest while crawling in traffic.


FF your are wrong. An engine running temp will be much hotter at full redline than 90% redline.
City driving, idling in traffic is not good for the engine, ever notice how a vehicle performs better after a long hard run. As Fraser said, cleans out the crap.


I used to race two of my cars – at Puke and gymkhanas etc.
On both cars the temp gauge never went up further than they did stuck in traffic commuting.
I'm not saying that race cars don't but mine didn't.
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Re: Unusual Cars Mkii Gti

Postby kiwi_zg on Wed 6/Oct/10 9:51am

FLATULENTFRIEND wrote:I used to race two of my cars – at Puke and gymkhanas etc.
On both cars the temp gauge never went up further than they did stuck in traffic commuting.
I'm not saying that race cars don't but mine didn't.


Most temp gauges only measure water (coolant) temp from a sensor in the cylinder head. The engine only get relatively hot in city traffic because there is limited airflow though the radiator to cool the engine.
Various other parts of the engine get rather hotter than the coolant at full noise. ie your exhaust manifold would be starting to glow red. That wouldn't happen stuck in traffic at idle.
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Re: Unusual Cars Mkii Gti

Postby dented on Thu 7/Oct/10 7:44am

Just had word that there is going to be FOUR R35 Skylines competing in this years Targa. Tony Quinn, Steve Millen, Clark Proctor and Harry Dodson. Thats going to be very interesting
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Re: Unusual Cars Mkii Gti

Postby ShoreBoy on Thu 7/Oct/10 10:51am

Harry Dodson's got an R35??
That would explain why he's flicking off his R32s. Pretty sure the road legal one was sold a while back, and looks like he's getting rid of the track specific one too:
http://www.trademe.co.nz/Trade-Me-Motor ... 592265.htm
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Re: Unusual Cars Mkii Gti

Postby dented on Thu 7/Oct/10 6:39pm

I heard that Dodson and Proctor had formed a company that is making stronger gearboxes for R35's
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Re: Unusual Cars Mkii Gti

Postby ShoreBoy on Sun 17/Oct/10 7:07pm

I've been told by someone in the know that Harry Dodson is a bit of a shit driver.

It would appear that I may end up being a fire marshall at Puke for the Fujitsu 200 round in 1st weekend of November. Sweet! :thumbsup:
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