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C5 cam swap

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Old Mar 16, 2010 | 02:03 AM
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Default C5 cam swap
hey guys i just finished installing a MS4 cam and 3400 stall converter on my vette and for some reason the car CANNOT IDLE at all.by tuning the car would that fix my problem?i would appreciate any help guys ASAP.
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Old Mar 16, 2010 | 11:14 AM
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Yessir, on a cam of that size it most likely will not run due to idle airflow tables and VE tables needing adjusting. Doublecheck all of your sensor wiring is hooked up as well, but more that likely you need a tune to get her running. You probably can crack the throttle body open by gas pedal during start and it should fire. It just won't idle on it's own or run too good. MS4= Donkey Di*k cam, a must tune cam.
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Old Mar 17, 2010 | 01:40 AM
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ya cus it does fire up but have to give throttle all the time to keep it running.well thanks man i appreciate your help means a lot
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Old Mar 17, 2010 | 01:35 PM
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you need a tune
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Old Mar 17, 2010 | 02:21 PM
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You could always drill a hole in your TB to let more air in at idle, but a tune would be a better idea.
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Old Mar 17, 2010 | 06:15 PM
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Second (#2) post said it all, need the tune, thats a huge cam well not for some.....eeeks.

Dont drill hole in TB, just tune it.
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Old Mar 17, 2010 | 08:56 PM
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What are the specs on an MS4 cam?
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Old Mar 17, 2010 | 09:17 PM
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Originally Posted by Its_Go_Time
What are the specs on an MS4 cam?
239/242, .649"/.609" (111 LSA Standard)
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Old Mar 17, 2010 | 09:54 PM
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Originally Posted by ctusser
239/242, .649"/.609" (111 LSA Standard)
You definitely need to tune that! My baby 228"/230" .576"/.595" 114LSA needed a lot of work to the idle airflow tables before it would idle properly. The throttle cracker needed work too before I could take off properly in 1st. Your VE tables are gonna change a lot with a cam like that as well. Get it tuned, or buy some software and have some fun with it
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Old Mar 17, 2010 | 10:34 PM
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Larger injectors might be a good idea for that size cam. You dont want to run it lean.
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Old Mar 18, 2010 | 02:05 AM
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what size injectors would you recommend me getting?and is any one selling after market injectors?
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