[Diy_efi] gm vortec efi

[Bret Levandowski]

The SBC manifolds are very dependable. Very seldom do they leak. As for the injector assembly.... what a pile of garbage. Sticking, clogging, leaking... take your pick. HOWEVER, as one of the others suggested, Lindertech has designed and built aftermarket 'mini injectors' to replace the less cooperative plastic poppets. Haven't used them personally, but the write-ups and tests have all been good. So, after you drop a nice chunk of change on dependable injectors, you still need... fuel pump, fuel delivery, wiring harness, ECM, sensors and the equiptmnet to alter the BIN for the vehicle in question should the motor not be stock. All in all, can be done, lots of work. I'd reccommend GM TBI or TPI before this. Cheaper and easier.   Ski 

jb <jonnbell at gmail.com> wrote:  i was wondering if anyone has messed with the plastic intake port efi from c1999 gm vortec engines.  i have a sbc with vortec heads and realized that i have the intake, harness, and ecm from a 99 delivery box van.  do you suppose that would be worth replacing the holley 750/performer rpm setup ive got?  efi is what i want, but i was told by someone i dont necessarily trust that these plastic intakes arent worth much.  what do you guys think? 
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