Hi All,
In my R33 Gtst I have an RB25/30 and I'm going to need to massage the firewall a little to fit the rear cylinder head oil drain fitting that I am using. Has anyone done this before that can share their experiences? Is there much behind the firewall in this position keeping in mind with the 3litre block its a 25mm or so higher than standard?. Its positioned in the rear top welsh plug spot that sits between the cams. (see sample pic)
Everyone's thoughts are welcome.
Cheers
Steve