as above plus..wb has bracketry differences under the dash for wiring clips and also has commodore style wiper jets...hq obviuosly has a totally different dash arrangement and does not have a hole for an accelorater cable.also has different plenum chamber beauty lines correspondin with the bonnet.
hq and hj have the square hole in the firewall for wiring ..hx hz wb have the round hole in firewall for wiring...wb has a different amount of holes to hold the scuff plates down..
wb bucket seat cars will not accept hq to hz seats without drilling 3 holes but bench seat will interchange across all models.
wb you will have to drill holes to accept hq to hz tailights and surrounds.
some very slight hole differences in firewalls from hj hx hz wb ..
thats all i can think of at the moment.
other than those differences if you take a hj hx hz wb body you can easily convert between the models..hq is the hard one to convert to hj to wb style.
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