C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Need help new!!! engine running rough

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Old Apr 30, 2011 | 10:15 PM
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gregs86
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From: Pace fl
Default Need help new!!! engine running rough

Just finished installing my new engine. here's what i have
accel 24lb injectors
zz4 short block
afr 180 heads
zz9 cam
1.6 roller rockers
tpis big mouth intake
tpis headers
slp runners
I have a polished system i bought from a forum member with a plenum
that is a 90 or newer. a asm 58 throttle body but its missing the iac plate so im useing my stock one until i get the adapter plate or buy a new one. I also have a chip from Alvin at pcm for less.

So i finally put the motor in started it for a few minutes and it runs very rough i shut it off because it was late and low on fuel so in the morning im going to try to break it in could anyone tell me the steps for setting up the motor ??? should i set base idle then iac i'm not to sure of the order any other advice will very helpful !!!

Thanks in advance
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Old Apr 30, 2011 | 10:58 PM
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gregs86
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Instructor
10 Year Member
 
Joined: Jul 2007
Posts: 112
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From: Pace fl
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If anyone is running a setup like this could you post what kind of torqe and horsepower results i can exspect Thanks
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