WebMay 22, 2019 · Run on the dyno, the modifications to the carbureted 5.3L increased the power output from 337 hp and 378 lb-ft of torque to 439.5 hp and 400.3 lb-ft of torque. The upgrade was worth a tad over 100
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WebSep 5, 2016 · 1999 GMC Sierra RCSB; 5.3 swapped from 4.3, built 4L60E. 2WD under construction. 2008 Saturn Aura XE 3.5 as the DD. 86mcss HUNTING Joined May 11, 2006 2,584 Posts #4 · Aug 27, 2015 Explorer_BigJon said: Apparently before I had bought the truck (bought it with 207k miles), the trans/torque converter was replaced.
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WebMay 22, 2019 · The 5.3L LM7 featured the mildest cam offered by GM in any of the LS applications. The truck cam offered a 0.457/0.466-inch lift split, a 191/190-degree duration split (at 0.050), and a 114 LSA.
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WebJun 22, 2018 · I have a 6.0 LS MOTOR CAME out of a 2003 Chevy express van 3500 Im going to put it in a 1969 or 70 Chevy Nova will all this information n part#s work for this custom build or swap work on this car n vehicle I'm trying to build-intake injector fuel rails ECU,Harness w/Tran n w/o trans Harness,throttle body kit.all that you mention for the 69 …
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WebJun 13, 2020 · A large number of 5.3 swaps make use of the Gen III LM7 engine, which offered between 270 and 295 hp and was sold from 1999 to 2007 across a wide range of Chevrolets and GMCs. Factory torque checked in as high as 335 lb-ft or as low as 315 lb-ft. There are, of course, a number of early 5.3-liter LS variants, including the flex-fuel L59 …
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WebIn either case, it essentially means the drive shaft and pinion need to rotate 3.42 times in order to rotate the axle shafts once. If the number of drive shaft turns required to turn the wheel goes up (i.e. 4.10:1) the ratio may be referred to as a higher numeric ratio. Higher numeric axle ratios require the driveline to spin more in order to
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WebNov 13, 2018 · I have to agree with Rayvoy, just get a truck with the engine you want and upgrade the V8. Cam swap, head work, on and on. Honestly to go from a 4.3 to a 5.3 is kind of silly to me. To give you an example, a 5.3 from that era of trucks had a horsepower output at the rear wheels of 240 hp.
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WebMay 22, 2019 · The 5.3L LM7 featured the mildest cam offered by GM in any of the LS applications. The truck cam offered a 0.457/0.466-inch lift split, a 191/190-degree duration split (at 0.050), and a 114 LSA.
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WebApr 8, 2000 · Expert. 5 satisfied customers. Chevrolet Silverado 1500: Just replaced a 4.8 liter chevy in. Just replaced a 4.8 liter chevy in my silverado with a 5.3 liter truck runs great at idle and runs fine going down the road but come to a stop or make … read more.
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WebJan 8, 2013 · After pulling a 5.3L LS truck engine out of a junkyard, I wanted to find out for myself how easy it was to get it running again. The junkyard guy said that the engine was in fact a 5.3L out of a
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WebJan 8, 2013 · After pulling a 5.3L LS truck engine out of a junkyard, I wanted to find out for myself how easy it was to get it running again. The junkyard guy said that the engine was in fact a 5.3L out of a
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WebEvery GMC truck, SUV and van are designed specifically for trailering, with power, handling and convenience features you can rely on for long hauls and heavy loads. Whether it's payload, torque or transmission, finding the best vehicle for you starts with knowing what you're looking for. Download the GMC Trailering Guide to learn how to
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WebNov 13, 2018 · I have to agree with Rayvoy, just get a truck with the engine you want and upgrade the V8. Cam swap, head work, on and on. Honestly to go from a 4.3 to a 5.3 is kind of silly to me. To give you an example, a 5.3 from that era of trucks had a horsepower output at the rear wheels of 240 hp.
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WebDec 31, 2020 · all you have to do is get a intake for the dbw and throw it on then by a pedel and module its super simple man u can do these conversions for less then 1500 bucks i am doing a 05 with a 4.3 5 speed now but im going 6.0 from a escalade.just by u a fly wheel and clutch kit for a 4.8 and year will work u dont need a spacer thats oon the earlier 6.
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WebThe 5.3L comes with an Active Fuel Management™ and an advanced timing system that ensures only the cylinders you need to deliver your desired power. It has one of the best fuel economies among other small-block V-8 engines. Cost The cost of a 5.3L varies, but you should get a good product within the price range of $2000.
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WebSince the stock 5.3L can only make maximum output at 5,400 rpm, the later cylinder head, cams, and intake ports shift the power curve further up the rev range. Is the 5.3 a good motor? The 5.3-liter Vortec 5300 V8 Vortec engine is known to be very reliable. Several car owners claim that the engine has no minor problems after 220k miles.
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WebMay 3, 2005 · The Generation IV 5.3L engines share all the improvements and refinements found in other Generation IV engines. 8 versions of the Gen IV 5.3L engine were produced: 3 iron blocks (LY5, LMG, and LMF) and 5 aluminum blocks (LH6, LH8, LH9, LC9, and LS4). All versions featured Active Fuel Management except for the LH8, LH9 and LMF.
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WebAug 15, 2007 · The 4.3 is certainly no powerhouse in stock form but it can be made to run. You would want heads from a 1996 and later 4.3 as they have the real vortec heads. Even so GM started to use the name in the 80`s and called them vortec, they had junk swirl vane heads before 96. There are 2 types of 4.3, the non balance shaft and the balance shaft …
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WebNov 13, 2018 · I have to agree with Rayvoy, just get a truck with the engine you want and upgrade the V8. Cam swap, head work, on and on. Honestly to go from a 4.3 to a 5.3 is kind of silly to me. To give you an example, a 5.3 from that era of trucks had a horsepower output at the rear wheels of 240 hp.
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WebJul 16, 2010 · Joined Jan 10, 2009. 1,292 Posts. #7 · Jul 14, 2010. Well,depends on how much $ you want to spend. The 4.3 is basically a 350 with 2 cyls. hacked off. I have seen performance heads,intake manifolds,cams,headers,TBI,all kinds of stuff out there. They can be made to run very well if you sink the $ into them. S.
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