hi people,
my first ever rebuild
got a serious problem with me subaru impreza 1994 wrx sti,big end bearings are knackerd and possible connecting rod bearings too.ive got a full subaru engineers workshop manual with all the diagrams on the cylinder head and block,blown out and step by step guides on rebuilds.is a rebuild as easy as it looks on the diagrams?

at the moment ive stripped everything away from the engine ready for removal,which then again went from the manual and all parts i taken notes,pictures and then placed each item in a separate bag,wrote on what the location is.

am i really biting more than i can chew?tell me what u think.
cheers
simon

 

Simon -
The build/reassembly is the easy part - the cleaning and prep.work will
take longer to do than the build IMHO.
The block halfs and cylinder head oil gallerys need to be 100% clean of all
oil/dirt/debris and old sealant - dont skimp on the cleaning and you will be ok.
There is plenty of build info about and if you are confident in doing it - do it.

 

All doable but alot of work. Good chance you will need another crank if the journals are scored, plus mains and big end bearings, plus gasket set. If you value your time it's better to let specialist at it.

As Merlin said, meticulous cleaning is essential. Add a parts washer to the list.

 

thanks for the info people.i really want to do this job,learning everything about the subaru engine as much as possible,as with time i got loads and for 1 thing for sure is not to rush the job otherwize it be a waste of time.

just one other thing is there any stretch bolts located in the engine?i know that some engines have them just not sure if the scooby has,if so which one r they and will they need replacing 2?

cheers
simon

 

I would fit ARP head bolts if your going to the trouble of a rebuild. I am in the same possition as you, and ARP bolts is deffinatly on the list

 

nice 1 m8