Injectors
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Evolving Member
Joined: Oct 2006
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From: Dirty Jersey
Bigger than you'll need
680s would be fine for you. Even if you used methanol injection, 680s are fine for you, because methanol reduces the load on injectors, not raises it. Even if you used race fuel, I'd be tempted to say that 680s are probably still fine for you. Be sure you upgrade your fuel pump if you haven't already.
680s would be fine for you. Even if you used methanol injection, 680s are fine for you, because methanol reduces the load on injectors, not raises it. Even if you used race fuel, I'd be tempted to say that 680s are probably still fine for you. Be sure you upgrade your fuel pump if you haven't already.
What do you base that on? The injector drivers from the stock ECU could loose control over a 1000 cc injector. It would make for a dangerous tune and "loosing control" over injectors could quickly result in a blown engine.
All the injector sizes discussed here are low-Z peak and hold types, and all have the same resistance.
There is no reason why the stock ECU cannot effectively control a 1000cc injector, however, there is no reason to use an injector that large unless one is using a turbo larger than a GT35R, which isn't best suited for the stock ECU/MAF setup anyway.
The HKS DLI II seems to improve the efficiency of the stock ignition and reduce the incidence of misfire. I'd still recommend gapping the plugs to 0.022".
There is no reason why the stock ECU cannot effectively control a 1000cc injector, however, there is no reason to use an injector that large unless one is using a turbo larger than a GT35R, which isn't best suited for the stock ECU/MAF setup anyway.
The HKS DLI II seems to improve the efficiency of the stock ignition and reduce the incidence of misfire. I'd still recommend gapping the plugs to 0.022".
680s would be fine for you. Even if you used methanol injection, 680s are fine for you, because methanol reduces the load on injectors, not raises it. Even if you used race fuel, I'd be tempted to say that 680s are probably still fine for you. Be sure you upgrade your fuel pump if you haven't already.
Evolving Member
Joined: Feb 2007
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Im not sure what you mean with those words "loose". Please explain.
As Ted has explained there really isn't a need for anything that large unless your running avery large turbo, and loss of efficiency causing brake specific fuel consumption rates well over stock like levels.
Hense the reason I mention go with 880cc for future use. Precision Turbo sells a stable set for a good price.
However, I might mention that for big turbo setups, one may not realize it if the pump cannot maintain the desired line pressure, in which case he would find himself needing unusually large injectors to keep things together.
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