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4 Attachment(s)
Re: vnt adjustment
How to Adjust your VNT turbo,
To adjust the way the boost comes in on a VNT turbo all you need to do is adjust the following:-
The grub screw on the side of the VNT (see attached picture)
Winding the grub screw in brings the boost in later up the RPM range and unscrewing the grub screw brings it in earlier.
Obviously when you mess with the grub screw you will need to adjust the pre-load on the actuator arm (this is the same principle as any normal actuator) so tighten up gives more boost, etc.
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VNT adjustment
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Re: VNT adjustment