I had a friend make me new fuel rails. I think the recieving bore for the injector my be just a tad tight. three of the four went in fine. on the fourth I think the oring rolled and was damaged. I orderd new orings what can I use to lubricate them without causing swelling?

Dave

 

a product from worth products called rubber care. its a non petrolium spray that makes rubber stuff extreamly slippery without swell.