720cc Injectors
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720cc Injectors
I want to upgrade my injectors to 720cc's. I am trying to decide wether i should only do my secondaries, or also do my primaries. Does anyone know what the difference in outcome is? I am also worried that if i do both my primaries and secondaries, will i need to upgrade my fuel pump to keep from running lean? I need to order the injectors and a warlboro pump(if needed) to be overnighted for a wednesday delivery in MA, does anyone know a good place to order from?
#3
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Originally Posted by Slo Motorsports
I want to upgrade my injectors to 720cc's. I am trying to decide wether i should only do my secondaries, or also do my primaries.
I am also worried that if i do both my primaries and secondaries, will i need to upgrade my fuel pump to keep from running lean?
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Well you can see what mods i have in my signature. and recently i just pulled my a/c and all of my emission equipment. Do you think i need the upgrade? Based on the mods i have, and the manufacter's specs for each part, i am supposed to be making roughly 270-280hp i believe, but my engine has just over 120k on it, so it is not in great shape. I autox the car, and am looking for a bit of extra kick, do you think that upgrading my injectors and pump are a good idea?
#5
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So you're already making that power? If you've been driving around like that and it's still going then you obviously have enough fuel. Adding more won't make it more powerful.
You have an Rtek 2.0, so I assume you had it properly tuned, and so I assume you know what mixtures you're getting. If that's the case you should know if you more more fuel or not. If you haven't, do it, or that Rtek is a waste of money. The only way to know if you have enough fuel is to measure the mixtures.
If you're running a stock turbo at sensible boost (10psi max) then it's unlikely you need bigger injectors. An FD fuel pump (or similar) would be a good idea. Cheap insurance.
You have an Rtek 2.0, so I assume you had it properly tuned, and so I assume you know what mixtures you're getting. If that's the case you should know if you more more fuel or not. If you haven't, do it, or that Rtek is a waste of money. The only way to know if you have enough fuel is to measure the mixtures.
If you're running a stock turbo at sensible boost (10psi max) then it's unlikely you need bigger injectors. An FD fuel pump (or similar) would be a good idea. Cheap insurance.
Last edited by NZConvertible; 08-16-06 at 01:38 AM.
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