Originally Posted by
JamboRS
It is threaded. If you look in the hole where the return goes its threaded
The thread is a weird size mate
Think its around m16x2.0 or 5/8 12tpi bsw
Other option is to get an engine adaptor from carpartsexpress and thread the side your aeroquipping and use the std o ring on block side
Thanks alot for that mate. I'll have to investigate further I think but that's a good starting point. Do you know what the standard block side fitting is? My problem with that is I don't have the original fitting with the egg shaped plate that fixes to the block