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Dave Runs A 9.4

datsqik
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datsqik Enthusiast

datsqik

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We took Daves GTR out for a test and tune day yesterday and ended up with a 9.4 with something like 137mph. The first run the fuse for the injectors popped as he launched (fuse was to small). Second run he knock it into neutral instead of second (thank god for rev limiters). The third run was the 9.4 but a lot of time was spent on the limiter (need to lower the shift lite rpm). Unfortunately it popped the camshaft seal out on that pass and oil ended up everywhere so rather than fixing the seal and cleaning the oil off only to have it run out from under the car somewhere and onto the tyres we called it a day. We were hoping for some more passes to try to get the car where it should be as it has a lot more in it yet.

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datsqik Enthusiast

datsqik

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Yeh Grant spent most of the day working on the arse end trying to tame the beast down off the line. The last pass he did the car launched much flatter and straighter so he was able to keep his foot into it and ran a 8.9. The 120y will definately go into the deep 8's with some more boost and taller gearing.

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Ryan1200 Proficient

Ryan1200

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Yeh Grant spent most of the day working on the arse end trying to tame the beast down off the line. The last pass he did the car launched much flatter and straighter so he was able to keep his foot into it and ran a 8.9. The 120y will definately go into the deep 8's with some more boost and taller gearing.

Any other info on the 120y engine setup ect?

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datsqik Enthusiast

datsqik

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The GTR runs a 26/30 with Nitto I beam rods, Mahle pistons, Supertech valve train with Tomei cams. Has an EMS ecu with M&W cdi and innovate data logger on methanol. It uses a Jatco 4speed auto with a TCE converter. Turbo is a borgwarner rated to 1200hp but we arent pushing it yet. Suspension is hks prodrag and has custom en26 axles. Slicks are 26by10by15.

The 120y has a commodore v6 with mechanical fuel injection and a t04z turbo on around 20psi. Pretty sure he runs a glide. The car was built to eventually index racing in one of the super stock classes which is why he uses a 2 valve motor with mechanical fuel injection. He will eventually destroke it a bit which should give him a decent weight break and a doable index.

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