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Old 06-23-2011, 12:32 AM   #1
Reziel_1983
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Join Date: Feb 2011
Location: Brownwood, Texas
Posts: 421
Motor sounds weaker after driving?

Whenever I first start my truck up after the motor has been sitting for a while and is cold, it sounds really nice and it runs really good. However, after it has been running for a while and is hot, it doesn't lope nearly as much and it tries to die if it's in drive, ever whenever it is idled higher. It just sounds weaker and feels weaker in general. It has a 350 with the stock quadrajet that has been rebuilt less than 500 miles ago. Any ides of what could be causing this?
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1983 Chevy lwb: 400 sbc destroked to 377, comp cams xe 268, Holley Street Dominator Intake, Holley Street Avenger 670 cfm, headers, flowmasters. SOLD

1998 Trans am, mostly stock with magnaflow catback

My build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=454329
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