Accel injectors, now injector matching
timsiford at hushmail.com
timsiford at hushmail.com
Sun Jan 7 16:57:21 GMT 2001
Amen. That's what I've been preaching for some time now.
Tim
At Sun, 7 Jan 2001 10:28:41 EST, ECMnut at aol.com wrote:
>
>I think about this way too much, but a big strokey 500+ inch
> street engine that never revs past 4,000 RPM could get
>by with smaller injectors than say, a 350 that pulls to 8,000 rpm.
>That 3rd demension of intector size (time) is often overlooked.
>Toy-Supra single turbo engines have 40lb injector (w/.5L's per cylinder)
>while the 4.3 GMC trbo six has 30lb injectors (.72L per cylinder)..
>The GMC is programmed to shift at 4,000rpm under WOT.
>Not sure how much high the Supra revs, but it has 30% less
>engine diplacement, and 33% more intector capacity.
>Just food for though.
>Mike V
>
>>
>> Lets see, Duty cycle of 80%, intake valve open about 25%, of the
>time, the
>> fuel mostly is being blown on a closed valve, given those stats you
>really
>> think the atomization is much of a deal?.
>>
>> It's alot more about HP, and torque then engine size
>> 19s will support about 300 HP.
>> Your results will vary
>> Bruce
>>
>>
>>
>> > I, too, have heard that a 350 can get away with 19#'ers at a
>> > higher-than-stock pressure. It has been said that, all things
>equal,
>> > you'll run better that way because of better fuel atomization.
>> >
>> > Anyone care to confirm/deny this? Any of you guys running a 350
>with 19#
>> > injectors?
>> >
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