I've got my hands on a 340 gl 1.4 but wanting to put a Renault f7r/p engine in im under the impression I will need to 1.7 subframe mounts gearbox clutch is there anything else or anyone got a build thread or parts list any problems to look for?

Welcome to the forum, good luck with your project

Here is all the info you will need

viewtopic.php?f=13&t=11630

Sounds like a fun project. Keep us posted regarding the progress of your work.