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Author Topic: AAZ dual stage injectors - Opening pressures?  (Read 3543 times)

December 28, 2012, 06:26:42 am

Alcaid

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AAZ dual stage injectors - Opening pressures?
« on: December 28, 2012, 06:26:42 am »
Hi,

The first opening stage / pilot injection on these are 150-158bar according to Bosch spec, but what is the second stage set at?

Anyone got experience with running slightly higher opening pressures? I have a set that will be set up with the Bosio BNOSD308 "GTD" nozzles soon.
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'03 VW Golf PD130 4Motion Highline
'10 VW Passat 1.6TDI Highline
'83 VW Jetta 1.6TD, 11mm pump, H-beam rods, girdle, fully reworked AAZ head +++ Going Compound ;)
Reply #1December 28, 2012, 09:55:55 am

burn_your_money

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Re: AAZ dual stage injectors - Opening pressures?
« Reply #1 on: December 28, 2012, 09:55:55 am »
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Tyler
Reply #2January 14, 2013, 04:41:48 am

Alcaid

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Re: AAZ dual stage injectors - Opening pressures?
« Reply #2 on: January 14, 2013, 04:41:48 am »
Anyone else got information on the second opening pressure? (preferably from a more official source than a forum post)

Anyone experimented with higher opening pressures on these?
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'03 VW Golf PD130 4Motion Highline
'10 VW Passat 1.6TDI Highline
'83 VW Jetta 1.6TD, 11mm pump, H-beam rods, girdle, fully reworked AAZ head +++ Going Compound ;)
Reply #3January 15, 2013, 10:48:00 am

8v-of-fury

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Re: AAZ dual stage injectors - Opening pressures?
« Reply #3 on: January 15, 2013, 10:48:00 am »
The 1.9AAZ has a higher break pressure than the AHU and ALH TDI?

I have heard all three 1.9's were 195 bar. The 2.5L 4 cylinder Land Rover I have heard rumored a 220 bar break pressure.
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