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Old 02-03-08, 08:29 PM
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Learns the hard way.....

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Need Injector Help

I am in the process of building a 13b-re engine with a Haletch e8 ECU, GT40R, and a half-bridge. I need help picking a set of injectors. The fuel rails are aftermarket and both primary and secondary are top-feed. I was thinking of going 1000cc primary and 1600cc secondary, but have no clue what brand or impedance to go with. Suggestions?
Old 10-11-08, 04:45 PM
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Noticed your post and wondered what you decided on injector sizing.

I'm running my halfbridged 13BRE with an E8 and 1600cc secondaries and 550cc primaries and things seem good. I think the GT40R is larger than my Microtech 60-1, but 1000cc primaries sounds large depending on your horsepower goals.
550cc primaries and 1600cc secondaries should be good for
495.7 at 80%
526.7 at 85%
750cc primaries and 1600cc secondaries should be good for
541.8 at 80%
575.7 at 85%
1000cc primaries and 1600cc secondaries should be good for
599.4 at 80%
636.9 at 85%
For my turbo, the 550 primaries look to produce close to the max rwhp at 80% and larger primaries likely will exasterbate an already rich halfie idle.
So, what did you find?
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