LT1-LT4 Modifications 1993-97 Gen II Small Block V8

CC306 question

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Old May 21, 2007 | 11:21 AM
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Default CC306 question

Got my car back together last night with the 306 primed the oil pump got pressure. Went to start the car it turned over for a little and fired up but it wont idle. My question is will the car even idle with the stock tune and the 306?
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Old May 21, 2007 | 11:36 AM
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It should mine did, but it would take a while to find idle. I drove mine for 500 miles on the stock tune and then had it dyno tuned.

Edit: Have you double checked all of your plugs and wires to make sure everything is hooked up correctly? And how is your opti?
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Old May 21, 2007 | 11:49 AM
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Originally Posted by lt197formula
It should mine did, but it would take a while to find idle. I drove mine for 500 miles on the stock tune and then had it dyno tuned.

Edit: Have you double checked all of your plugs and wires to make sure everything is hooked up correctly? And how is your opti?
everything is hooked up its a new opti. How long should it take to find idle?
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Old May 21, 2007 | 01:24 PM
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Originally Posted by themadspoon
everything is hooked up its a new opti. How long should it take to find idle?
Mine would take at the max a couple of minutes. Reason I asked if everything was hooked up is because when I installed my headers (stock engine at the time) when I went to start it up, it would only fire a few times and die. Reason being I had the Taylor OTV wires and I hadn't done a good enough job on the optispark ends, so had to recrimp them and it fired right up.

So it is just firing a few times and dies?
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Old May 21, 2007 | 03:18 PM
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Originally Posted by lt197formula
Mine would take at the max a couple of minutes. Reason I asked if everything was hooked up is because when I installed my headers (stock engine at the time) when I went to start it up, it would only fire a few times and die. Reason being I had the Taylor OTV wires and I hadn't done a good enough job on the optispark ends, so had to recrimp them and it fired right up.

So it is just firing a few times and dies?
It starts up you and to get it to run at all you have to open the throttle a little bit
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Old May 21, 2007 | 03:24 PM
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Originally Posted by themadspoon
It starts up you and to get it to run at all you have to open the throttle a little bit
Hmm I'm not sure, hopefully someone else will check this thread out and have an answer.
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Old May 21, 2007 | 03:35 PM
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Originally Posted by lt197formula
Hmm I'm not sure, hopefully someone else will check this thread out and have an answer.

It hasnt run for more than a total of a minute maybe
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Old May 21, 2007 | 04:46 PM
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Sounds like the rockers may need readjusting, or crossed wires.
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Old May 21, 2007 | 05:46 PM
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Mine did that with a vacumn leak plugged the hole in the intake then it was all good.
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Old May 21, 2007 | 05:53 PM
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I couldn't get mine to run on the stock tune, with the cc306 cam. I had to get a mail order tune, just to get the car home about 100miles from where I lived...once I put it in, it was good enough to get me home...
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Old May 21, 2007 | 09:47 PM
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Originally Posted by 95greenZ
Sounds like the rockers may need readjusting, or crossed wires.

I think im going to reset the rockers and try that
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Old May 21, 2007 | 09:56 PM
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It should idle but ive seen were some computers take a little more time to find its idle then others. Let me know if you still cant getit to idle by it self and I'll send a free base tune to you.
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Old May 21, 2007 | 09:57 PM
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Originally Posted by MEAN LT1
It should idle but ive seen were some computers take a little more time to find its idle then others. Let me know if you still cant getit to idle by it self and I'll send a free base tune to you.

Yea i will let you know. Thanks
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Old May 22, 2007 | 01:51 PM
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i have a mail order tune and a 306 and mine wouldnt idle still. i ended up adjusting the idle up on the side of the throttle body and now its fine
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