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1JZ.747
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February 2003

Re: Zoom 1JZ Tuners Guide	Wed, 10 December 2003 03:05

when donnan made 250rwkw he already had 840cc injectors not the factory injectors, if you all care to look at the skyline forums, he turned up at a dyno day of theres and made 285rwkw with standard turbos, and it wasn't run at tillbrook, so it made more power on a different dyno. and all these skyline boys were shitty that there big turbo skyline's got an ass kicking. i was rather skeptical myself until i did some research of my own. Donnan is an exceptional tuner, that is the bottom line, the same car in another persons hands most probably would have made less power. you have to take into account he has spent relentless hours on dynos, out on road tuning, it has probably seen more time on a dyno than all of our cars put together. we don't have the finances or the connections to use someones dyno for a day a week for a year long like he does. and as for the comment about the 13second pass when he is making some 341rear wheel kilowatt. look at the mile per hour 122 MPH, it indicates a lot lower time is possible, you try side stepping a quad plate clutch and getting a sub 2 second sixty foot time. the car wasnt set up for drag. a normal 13 second pass would have a trap speed of between 92 to 105 MPH with a sixty foot time of about low 2 seconds. his sixty foot was high twos, and if you read the article it said the diff was F#$KED, that would also be a contributing factor. look at jases yellow rolla, it ran 11.81 at 118 MPH from memory, donnans car is certainly a mid 11 sec car, just not with the hard suspension setup it ran with. it amazes me how so many people are quick to criticize a person for putting in the effort when 1, they have never even ran a time at an ANDRA approved event which is world wide recognized, they think there GTECH times qualify as legit. remember ANDRA times are world recognized, gtech'd dyno plus's or what ever back yard invention isn't so as much as you think it is, ANDRA is a even playing field. 2, they haven't done the extensive research that the other person has, and that is why there own car isn't making the numbers. bigger the budget the more research you can do and make more power out of the same package. 3, manual boxes make more power on a dyno as they don't have the slippage factor. so if you have an auto you wont make as much. everyone is entitled to an opinion obviously, but maybe try emailing donnan or picking up a telephone and asking for his thoughts instead of calling him a liar. be assured i have never heard him call someones car a piece of shit or call there owners liars, he always seems to be helpful to me. just some food for thought guys, i am just gald to see a toyota being modified in the public eye instead of another $150,000 Nissan GTR that no one can afford. [Report message to a moderator]

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