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SANTAPOD...FAST SHOW...9th March

Brett928S2

Brett928S2

New member
Hi All
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If anyone is interested in seeing the 928, I will be at SANTAPOD all day on Sunday in the Wizards of Nos display area...

I will be the old guy with the grey hair and the blue race suit with the big Porsche badge on the back
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All the best Brett
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Hi All :)

OK....here is what went on at the Pod... :)

After a couple of teething problems with my piping, where a Nitrous pipe released at 950 psi and I managed to lose the contents of both my 15 lb bottles rather rapidly lol...

I then set it all up again and having refilled with another 30 lbs , I turned on my twin bottle heaters and once pressure was back up at 950 psi , I headed for the fire up lane...

I then got to staging....I rolled it through the water for a rolling burnout under Nitrous power :)

I shot past the tree ..lol and had to reverse back to stage in the cloud of smoke that I had created...

I then staged and waited for the green....

Green hit the light and I hit the loud pedal....

That when it got really funny lol....

I have no LSD and so I had so much power that my rear left started spinning....

And kept spinning as I headed up the track......1/4 track...STILL SPINNING..

Half track.....STILL SPINNING

3/4 track......STILL SPINNING

Full track....STILL SPINNING

Time was a 17.46 at 94.87 mph.....lol


I have NEVER felt so much power in a street car and obviously my car/Nitrous system is designed for high speed runs....not drag racing...and all I did for the whole run was keep pulling the wheel to the left to try and keep it straight :)

I did see 7500 revs on the tacho at one stage although I did melt a plug as I went through the timing light at the top end...

The plug gone meant my day was finished (why is it always the LAST one you change out of 8 thats the bad one lol)

I will add 2 pictures of the melted plug...

In total it was a great and relaxing day, got a lot of setting up done and will now move to NGK B9ECS (retracted nose plugs and 2 more heat ranges colder) to save melting any more, I will also alter the fuel/Nitrous ratio to a safer level, lol...






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All the best Brett :)
 
Arrrrrg [&o]

Too much power is never a good thing when the car can't put it down on the ground, any plans to get round that problem?

Hope you get the plug issue sorted. Just switching to a colder plug is really masking the problem, it would be best to solve why it's happeneing first and then go to a colder plug for safety.

p.s can you come back to Northants and take all this tyre smoke away - we can't see the sun anymore [:D]
 
Hi Paul :)

You are right of course and I am thinking about an LSD......Paul A has a GTS Auto box with PSD system that can be used as an LSD with a bolt to turn to manually set the lock rate for the internal LSD...It cannot use the whole PSD system as too much wiring and pump hydraulics etc...

I am trying to figure out whether I need it as for my 200 mph plus runs, I will be doing 90 ish BEFORE I hit the Nitrous and I should be able to ramp it in on percentages fairly slowly...hopefully WITHOUT breaking traction....

The box and labour will cost me around a grand ,so am trying to avoid the cost lol
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All the best Brett
 
ORIGINAL: nathan 1981 930 G50

Brett, they do LSD's. www.gripper.co.uk

Hopefully the link will work one day soon...
Click to expand...

Hi :)

The problem with an LSD...is that they can be "overpowered" in cases like mine, which would mean I would be zigzagging up the track...

If I was using it for drag racing , with the sort of power I am running I would have to do what the Top Fuel cars do....LOCK the diff totally..

But thats not possible on mine as a daily driver, I couldnt afford a set of tyres once a week lol...

All the best Brett :)
 
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