Is it necessary to change the secondary fuel rail when upgrading to 1600cc secondary injectors.

Would i be better off buying the kit from rx7store and a fuel pump to upgrade the fuel system or to buy all the parts seperately?

well marren injection sells drop ins so you dont have to drill out the rail or lathe down the injectors

wish I had a part number or a manufacturer for ya (maybe I'll do some diggin later) but the guy who sold me my RX-7 had purchased some 1200cc primaries and 1600cc secondaries (dont ask why... I dunno) and neither set fits the stock fuel rails.... as a matter of fact they're still sittin in my spare parts bin. so be careful with what you do decide on, I'll give him a call and try to get back to ya on those #'s and manufacturers.

injector.com aka Marren Fuel injection.



Just buy the size you want in the "Pro Import" variety (NOT american)



it'll drop right into your stock rails, primary or secondary.



i can take pics to prove it if needed lol.



kevin.

well no word on the manufacturer of my injectors that dont work, but the guy told me they were purchased off of RX7store.com. or something like that. (I didnt look to see if I could find it to be honest) if you needed to double check the part #'s with what I got let me know so you dont spend money on ghetto injectors too. dont know about you, but I dont have the cash to be buying wrong parts.