Tuning Injectors?
Darth ModerVader
Joined: Jan 2001
Posts: 11,539
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From: Mustafar
Re: Tuning Injectors? (all-mtr-teg)
From Injectors.com:
It is sometimes possible to increase an injector’s static flow rate at a given pressure by machining or enlarging the pintle or internal passages of the injector. However, this procedure is usually not a good idea! A fuel injector cycles on and off thousands of times per minute to feed an engine the proper amount of fuel. Because of this, the electromagnetic coil and pintle of an injector are very carefully matched to one another. Modifying the pintle or other portions of the injector may cause it to flow more fuel at its limits (wide open or statically), but at lower engine speeds the injector will be extremely inconsistent. This creates drivability problems, idle fluctuations, higher emissions, rich/lean conditions, etc. We have performed extensive laboratory tests on many modified injectors and have yet to find one that performs as well as an unmodified injector of the same capacity.
Basically, if you want injectors in that flow range, pick up a set of H22 Prelude injectors from the Marketplace.
It is sometimes possible to increase an injector’s static flow rate at a given pressure by machining or enlarging the pintle or internal passages of the injector. However, this procedure is usually not a good idea! A fuel injector cycles on and off thousands of times per minute to feed an engine the proper amount of fuel. Because of this, the electromagnetic coil and pintle of an injector are very carefully matched to one another. Modifying the pintle or other portions of the injector may cause it to flow more fuel at its limits (wide open or statically), but at lower engine speeds the injector will be extremely inconsistent. This creates drivability problems, idle fluctuations, higher emissions, rich/lean conditions, etc. We have performed extensive laboratory tests on many modified injectors and have yet to find one that performs as well as an unmodified injector of the same capacity.
Basically, if you want injectors in that flow range, pick up a set of H22 Prelude injectors from the Marketplace.
Thread Starter
Honda-Tech Member
Joined: Apr 2006
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From: Right, Here, .
Re: Tuning Injectors? (Padawan)
what year prelude injectors do i need for a 97 gsr? I already have a resistor box, do i need the vtec or non-vtec prelude injectors, and from what year?
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