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Old Mar 22, 2008 | 08:14 PM
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Default injector upgrade

I need bigger injectors if I go from 42 to 65 do I have to retune it will be for a couple of months only. I am procharged.
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Old Mar 23, 2008 | 03:14 AM
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Go with the Siemens 60s. Bob at EPP has them at a good price. And hell yeah you need to tune for them. The 60s should not be hard to tune for a competent tuner.
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Old Mar 23, 2008 | 03:18 AM
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Originally Posted by Urban Legend
Go with the Siemens 60s. Bob at EPP has them at a good price. And hell yeah you need to tune for them. The 60s should not be hard to tune for a competent tuner.
X2 Get a good tuner, so you dont end up with a lazy tune.
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Old Mar 23, 2008 | 01:12 PM
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I am waiting on the lsx tall deck block and we will have a new motor byu then. I will need 96's then. so tuning is a waste of money for me i will wait.
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Old Mar 24, 2008 | 11:26 PM
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Originally Posted by js2fst
I need bigger injectors if I go from 42 to 65 do I have to retune it will be for a couple of months only. I am procharged.
if you go that much larger you will need a re-tune as it will run rich as crap.

are you sure you just don't need some 60#ers? what power are you making? have you seen my excel sheet and checked out rcengs website?

i just don't want you getting to large an injector and running rich at idle and other areas with low airflow and wondering why
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Old Mar 24, 2008 | 11:33 PM
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Yo!

Please note:
Most injectors will max out at 80% duty cycle and this is the accepted industry standard.

I did not make this up! This is from SAE - Society of Automotive Engineers.

The website article is http://www.rceng.com/technical.htm

and of course the website is http://www.rceng.com
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