What size injectors w/ 272/272 cams

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Jul 16, 2005, 07:01 PM

PHILLY EVO

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What size injectors w/ 272/272 cams

These are my mods, was going to get a bigger turbo but got screwed by the bank....
Need to know what size injectors to get now......

Exedy Twin Disk O2 HOUSING. TURBO XS DOWN PIPE, CAT DELETE PIPE, TURBO XS CAT BACK, WALLBRO FUEL PUMP, HALLMAN MBC,AND DYNOFLASHED. Buschur Intercooler and lower & Upper pipe and Tail BOV HKS 272/272 Cams, HKS rs Suction Intake..

So just need some opinions.............................

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Jul 16, 2005, 07:14 PM

PHILLY EVO

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anyone

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Jul 16, 2005, 07:28 PM

Widebandphillip

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atleast 680cc.

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Jul 16, 2005, 07:47 PM

PHILLY EVO

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cool that is what I was thinking but dont want to go to big

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Jul 16, 2005, 07:51 PM

naucrx

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Some 720cc injectors sound good.

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Jul 16, 2005, 07:52 PM

Shaker Motorsports

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Unless you switch out the turbo don't go bigger than 680cc

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Jul 16, 2005, 08:00 PM

tke_413

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I was thinking 680cc, that's what I've been told to get for mine.

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Jul 16, 2005, 08:49 PM

lil'evil_evo

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680 to 720's

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Jul 16, 2005, 09:47 PM

evo81

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stock.no need for injectors, even more so with a since you have a dynoflashed ecu

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Jul 16, 2005, 09:50 PM

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144mph

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you should pick injectors based on your hp goals, not your cams or small mods.

www.rceng.com/technical.htm

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Jul 17, 2005, 09:57 AM

#11

EvilDylan

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i have 272 cams and im running stock injectors. only sitting at about 90% duty cycle at WOT.

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Jul 17, 2005, 10:02 AM

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DSMotorsport

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I generally recomend evo owners change the injectors at about 340whp on pumpgas, 365whp on racegas. That's when I hit 95% duty cycle on the stock injectors with the ems and the AF ratio would be out of my control past 6000rpm or so.