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Old 07-29-2005, 07:24 AM
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Default stock fuel?

Is it pretty safe to run a 100 wet shot w/stock fuel system on a stock LS1?
Old 07-29-2005, 09:22 AM
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Yes you can spray up to 125hp using stock pump with stock LS1/LS2.
Old 07-29-2005, 09:35 AM
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It depends. Are you pretty much stock (bolt ons)? If so you'll be fine. Heads & cam + a 100 shot? You might want to think about upgrading your pump.

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Old 07-29-2005, 10:30 AM
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just headers, no heads/cam yet
Old 07-30-2005, 06:34 PM
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what about a 224/228 cam, longtubes, and 125? can the fuel pump handle that?
Old 08-01-2005, 08:28 AM
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so far, the wife's car is on a 175 shot with most bolt ons and heads using stock fuel system. last dyno i did showed still running rich through the whole curve. will know more this weekend.
Old 08-01-2005, 09:05 AM
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dont pay attention to the rated number of the shot. see what it makes on the dyno and the a/f ratio. my jets are drilled out. lol. generally on a stock head/cam ls1 a 125 rwhp shot is fine but i wouldnt personally go over that without a fuel pump upgrade if you are a wet shot.
Old 08-01-2005, 05:14 PM
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not all kits are rated at the wheels. some are rated at the motor. so, pay attention to what the jet sizes are for the given rating.

not everyone has a dyno right around the corner from them. if you do have a dyno you can have access to, then by all means start off with the rating given, then adjust from there to get the desired a/f ratio you are looking for.




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