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Isupra Conversion


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Well done mate, take my hat of to you, very nice power you geting there :) im all most there mate, once i get the wireing done i can then start her up :winky:

I hope you do make it over to JAE this year as i will be there with my IS :winky:

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so marcus how much you aiming at?

it should be around the 420/450 at the wheels, but as im useing the the LS400 autobox, i dont know how much power they can take, but for now ill be happy just to get the car up and running :)

right back to the Isupra that this post is for, sorry for takeing it away mate, i have some Q,s for you mate, about your Is ill PM u ok :whistling:

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  • 2 months later...
  • 4 weeks later...

LOL, cheers Gordon. Only got back to checking this thread now. Yeah I'm all married up now, was a good day.

Anyway I have been driving the car for a while now. Still got some missfiring on anything over 1.1bar or boost but it is very random and the odd time will run 1.3bar with no missfire. I'm working on it though.

I have now had the car at a track day earlier in the year at Kirkistown circuit, NI. The car went very well running just 1bar but it was wet so that was plenty lol. The engine never missed a beat and the car handled brilliantly. I was able to push it further than I ever have and got to know the car much better. Here's a couple of pics. These might not appear the correct size...

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Just yesterday I also had the car on the 1/4mile. We had amazing weather here and it was a brilliant day. I am still running just 1bar boost. I tried to creep the boost up slightly on the day but with the high air temps it didn't really like it so turned it down again. My fastest time was 13.392secs. I couldn't really expect much better than that considering I am only running 1bar and my gear ratios are ridiculously low. I crossed the finish line in 6th gear lol. Here is a quick vid that was taken on the day. The engine noise on the vid is from my car.

To add to the progress of the car itself I have got the cam covers airbrushed. It was a friend of mine who did the work and the detail really needs to be seen in the flesh to be appreciated

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I am still working on the missfire problem so when it is sorted it will be back on the rollers and back to the strip to get some more figures. Although I expect it will be next year before any good 1/4mile times appear.

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gob smaked matey!!!!!!!!the car and the airbrushing is amazing!!!!and the sound of the car is spot on.good work and congrats on the wedding mate but you know what that means.............every time you say oh i'm going to get this for the car all you'll hear is your not spending any more money on that bloody car....lol.

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Hi Gavin,

Following this thread is great.

I am sure you've seen these links below, but add your thread to this and it makes a very very interesting read for those who are keen and interested in these engine mods.

I can't wait to see your car up and running again with new photos.

http://my.is/forums/f114/building-aristo-s...-driver-329091/

http://my.is/forums/f114/2jzgte-vvti-dyno-...45/index28.html

Blinding...

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