TYG01 DVD-R - 8x on Pioneer 107?

Anyone had any experiences with TYG01 DVD-Rs being burned at 8x on Pioneer 107s?

This is the Disc ID and Write descriptors I get on the DVD-R with the patch 1.18 firmware (to enable 8x burning):

Unique Disc Identifier : [DVD-R:TYG01]

Disc Type : [DVD-R]
Manufacturer ID : [TYG01]
Disc Application Code : [Unrestricted Use : Consumer Purpose]
Recording Speeds : [1x - 2x - 4x]
Blank Disc Capacity : [2,298,496 Sectors = 4,489.3 MB = 4.38 GB]

[DVD Identifier - http://DVD.Identifier.CDfreaks.com]

** INFO : An Empty Writable Disc Is Recommended For Accurate Results
** INFO : PIONEER DVD-RW DVR-107D [FW 1.18]
** INFO : [DVD-R:TYG01]
** INFO : Write Speeds (Supported By This Drive On This Disc) Listed Below

** INFO : GET PERFORMANCE Write Speed Descriptor(s)
Descriptor #1 = 11080 KBPS (8.00x) - [CLV/Non-Pure CAV]
Descriptor #2 = 8310 KBPS (6.00x) - [CLV/Non-Pure CAV]
Descriptor #3 = 5540 KBPS (4.00x) - [CLV/Non-Pure CAV]
Descriptor #4 = 2770 KBPS (2.00x) - [CLV/Non-Pure CAV]
Descriptor #5 = 1385 KBPS (1.00x) - [CLV/Non-Pure CAV]

** INFO : MODE SENSE Write Speed Descriptor(s) [Legacy Command]
Descriptor #1 = 11080 KBPS (8.00x) - [CLV/Non-Pure CAV]
Descriptor #2 = 8310 KBPS (6.00x) - [CLV/Non-Pure CAV]
Descriptor #3 = 5540 KBPS (4.00x) - [CLV/Non-Pure CAV]
Descriptor #4 = 2770 KBPS (2.00x) - [CLV/Non-Pure CAV]
Descriptor #5 = 1385 KBPS (1.00x) - [CLV/Non-Pure CAV]