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9lbs pulley = what size injectors?

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Old 10-13-2004 | 04:32 AM
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Default 9lbs pulley = what size injectors?
In an effort to be proactive, I'm trying to ascertain the best size injectors to use when I upgrade to the 9lbs pulley for my Comptech sc. AEM EMS is forthcoming. I believe there is a formula, but I was unable to locate one.

Thanks.
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Old 10-13-2004 | 04:46 AM
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I would say at least 550 CC....
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Old 10-13-2004 | 05:28 AM
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http://www.rceng.com/technical.htm
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Old 10-13-2004 | 06:01 AM
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i'm using 550cc injectors and they are plenty good enough for a 9lb pulley. I know two other people around town that have been running 550cc injectors on theirs as well.

I honestly wouldn't go any higher.

Dave
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Old 10-13-2004 | 06:09 AM
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bigger is never bad... it leave some cushion for other mods such as an Alaniz head maybe????
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Old 10-13-2004 | 08:30 AM
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Originally Posted by honda9krpm,Oct 13 2004, 08:28 AM
BINGO! That's what I was looking for!
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Old 10-13-2004 | 08:53 AM
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[QUOTE=beroznikmal,Oct 13 2004, 10:09 AM] bigger is never bad...
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Old 10-13-2004 | 09:00 AM
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Originally Posted by kane.s2k,Oct 13 2004, 11:53 AM
except for idling
proper AEM tuning will take care of that close buddy runs 1000 CC injectors in his car.... idles like stock
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Old 10-13-2004 | 11:13 AM
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looks like I'm gonna upgrade then if I can keep the 1000rpm idle even with the large valves, 1000cc injectors, and possibly higher lift cams.
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Old 10-13-2004 | 03:12 PM
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kane, im idling at 1050-1300 rpm with the 1000cc injectors too
very smooth idle and only small fluctuation in AF reading...which I assume is normal....I think
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