I have a 1985 GSL-SE that I bought a few months ago and have been doing a lot of work on but just realized that maybe I don't even know what engine I have... The previous owner said that the engine and transmission were from an 87 TII and maybe they are but I ran into something that goes against that. I ordered a list of parts from Mazdatrix with one being an oil pan gasket. I got the pan off last night and realized that the gasket does not match. After looking on their site, I do have the gasket for 86-92, but it looks like I need the one for 74-85. The pickup tube I have also matches the one they show for a 79-85 model. So yeah it seems like I have a stock 85 engine, but it seems to have TII parts also, like the intake and TMI. So I guess my question is, is there something I could check so that someone could help me figure out what I have?

 

in order to install a 2nd gen motor into a first gen chassis, it will need to use the oil pan and gasket, oil pick up tube, front cover and motor mount from a 1st gen , more specifically the GSL-SE. so it does sound , by your description, to be legit

 

+1 .. you have a GSL-SE sump and timing cover fitted to the FC engine.. this is normal

 

Thanks guys for the info, that is all new to me and good to know for future parts orders.