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Old 04-28-2017, 04:34 PM   #11
xplorutah
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Originally Posted by AZDEFENDER110 View Post
Well when I cruise on the interstate it drives well. But I'm getting terrible mpg. Around 9-11 mpg. My engine is the LS 376/525 with the ASA cam shaft. I also have a 110. Is yours a 90 or 110 and is it the stock LS3 with 430 hp? Did u tune it after install?
Def a 110 you can see second row hinge in one pic.
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Old 05-11-2018, 03:40 PM   #12
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Quote:
Originally Posted by AZDEFENDER110 View Post
Well when I cruise on the interstate it drives well. But I'm getting terrible mpg. Around 9-11 mpg. My engine is the LS 376/525 with the ASA cam shaft. I also have a 110. Is yours a 90 or 110 and is it the stock LS3 with 430 hp? Did u tune it after install?
Probably the 430 HP. Your mileage will suffer with that cam, especially without a factory or any special tuning. It also loses low end torque.
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Old 05-11-2018, 04:20 PM   #13
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when I cruise on the interstate
How fast are you cruising?
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Old 05-12-2018, 06:39 AM   #14
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Swap in a stock camshaft. That ASA (while no one is willing to provide specs for it or the ASA tune) is a race configured profile. It was never intended for street use. I'm sure you're fueling/timing for your application is far off. I've got a GM streetrod ecu and harness for my IIA/90 LS1 project (started over 10 years ago before anyone else ever considered a LSx swap).
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