IR Pinhole Failure part two

Last time I overexposed 3-4 stops, now 4 to 5 stops. still I don't get the desired IR effect

Photographer:
gauthierdumonde
Uploaded:
2012-06-08
Tags:
infrared ir panorama
Camera:
Holga 120 Wide Pinhole
Film:
Rollei Infrared
City:
Ghent
Country/region:
Belgium
Year:
2012
Time:
afternoon
Albums:
Pinhole 135pc 120pc and 120wpc
More photos by gauthierdumonde