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Toymods » General Car Talk » 4.5 L Turbo Crown-THE RESULTS ARE IN!! Show: Today's Posts  :: Show Polls  Email to friend

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MS-75 Regular Location: Adelaide Registered: June 2002	4.5 L Turbo Crown-THE RESULTS ARE IN!! Sun, 06 June 2004 23:38 After a few false starts, the crown has had both a successful dyno session and visit to the drag strip. On friday arvo the crown was tied down on a dyno dynamics unit and managed 281rwkw with the dyno in shootout mode at a lazy 4700rpm, 13.5 psi boost, 16.5 degrees timing on pump premium. AFR was 11.2 on boost, with the mixtures being kept a little rich as insurance, as leaning it out proved to have no effect on power. The new converter has also made it less prone to wheelspin on the rollers. Then on sunday was jugement day at AIR. The first run was good but didn't feel as fast as I had been expecting. It got out of the hole well with a 1.9 sec 60ft time, then when I shifted to second and buried it, it went all over the track. I had to get off it, then back on and hit third, where it went well, but didn't feel as quick as I was expecting. The timeslip told the story. 12.4@112mph-hmm, a bit average. When I was mucking about under the hood I saw that the boost guage line was off, so I put it back on. What I didn't twig to was that the blowoff valve runs off the same line, so during the 1st run the blowoff valve was just being pushed open by boost-limiting the car to under 10 psi. I lined up for the second run and let rip, with the car feeling pretty awesome once I'd hit 3rd and got traction. Towards the end of the strip the rear started to bounce around a bit. I kept my foot down hoping to drive through it, but the power was just reinforcing the bounce. I got off the gas about 100-150 ft out and rolled through the lights with my hands shaking on the wheel. (the bouncing at 190 kph was a little hairy) The run had felt much faster than the first, but as I'd rolled through I was expecting another 12-However the slip told another story 11.65@108 I did'nt get another run as it was sooooooo busy-although as had cracked the 11's it didn't really matter-I was happy and NOTHING BROKE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! About f**ken time. And I havent even pushed the motor yet AND that time was run with Simex light truck tyres (225/75) And I had to back off......... YAY. Anyone care host a couple of pics? (timeslips, dyno sheet and track pics) Sean [Updated on: Sun, 06 June 2004 23:39] [Report message to a moderator]

	Subject	Poster	Date
	4.5 L Turbo Crown-THE RESULTS ARE IN!!	MS-75	Sun, 06 June 2004 23:38
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	gianttomato	Mon, 07 June 2004 00:02
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	draven	Mon, 07 June 2004 00:05
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	Nark	Mon, 07 June 2004 00:29
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	draven	Mon, 07 June 2004 00:42
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	Norbie	Mon, 07 June 2004 00:30
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	justcallmefrank	Mon, 07 June 2004 01:04
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	IRA11Y	Mon, 07 June 2004 02:23
	Pictures - enjoy.	gianttomato	Mon, 07 June 2004 03:14
	Re: Pictures - enjoy.	IRA11Y	Mon, 07 June 2004 03:21
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	draven	Mon, 07 June 2004 03:57
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	Lambolica	Mon, 07 June 2004 04:01
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	bbaacchhyy	Mon, 07 June 2004 05:59
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	draven	Mon, 07 June 2004 06:19
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	Cyber-punk	Mon, 07 June 2004 07:26
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	Grega	Mon, 07 June 2004 07:28
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	>>>R3G<<<	Mon, 07 June 2004 11:11
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	thetoyman75	Tue, 08 June 2004 03:12
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	Allan	Tue, 08 June 2004 03:13
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	Mr DOHC	Tue, 08 June 2004 07:27
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	TheStitt	Tue, 08 June 2004 08:16
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	Joshstix	Thu, 10 June 2004 02:31
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	thetoyman75	Thu, 10 June 2004 03:06
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	MS-75	Thu, 10 June 2004 05:30
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	Allan	Thu, 10 June 2004 13:58
	Re: 4.5 L Turbo Crown-THE RESULTS ARE IN!!	YelloRolla	Thu, 10 June 2004 14:25

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