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Found 15 results

  1. My trucks going in for open heart surgery in a month. DOD delete, tsp stage 2 L83/5.3 cam in my L86/6.2. I eventually would love to put a blower on it. I drive the truck frequently and don’t want to do too big of a cam where I’ll have to change my torque converter. Will I get away with a L83 stage 3 cam with my stock converter or should I stick to the stage 2. Specs are 5.3L Stage 2 Camshaft w/ +32% Fuel Lobe: 218/226, 635", 113 LSA, 109 ICL All my mods will be intake, portable TB, (hopefully have my heads ported when it goes in for dod delete and cam) LT4 injectors, 1-7/8 long tube hears, off-road y-pipe. I’ll have a 3.5” electric cut out followed by stock exhaust for now. Trucks reverse level and blocks removed. 22x12 -51 285/35r22 no trimming or cutting
  2. So finally finished my truck. 2014 Sierra Single cab L83. GPI stage 2 cam kit, DOD delete, LS7 lifters.... 2.9L Whipple with a 4inch pulley Stock convertor Full exhaust Tune Got 517whp... Everything was running perfect untillll.... Started losing power, and quite a bit. Took it back to the garage, they tested pipes, vacuum, all seemed to be in order. Later found 3 spots where there were leaks im my exhaust where the headers connects to the y pipe and out the y pipe to the catback, they were clamped... So got flanges and bolted them on... All perfect... Still running 7.3psi high boost and its beginning to frustrate me. I also get rpm drops in 2nd gear at 4500 and above (this has been happening ever since i added the cams before having the supercharger) - doesn't happen everytime, but happens more often than not. Any suggestions? Any ideas? Oh i also have a gear oil cooler installed... Recently serviced everything, gear oil, diff oil, engine oil, spark plugs, changed the wiring to the MSD and added a heat shield to be safe.... Something is wrong and its quite annoying. Note: its hot AF where im at - Dubai... Easily hits 45degrees C during the day with insane humidity levels... Any feedback wld be helpful... Thanks Im going for a compression test tomorrow to see if that is fine.
  3. Not sure if this is the place for this or not. But I will be documenting the ls swap journey of my dream truck. I found me a fairly clean rust free 1992 gmc 1500 2wd. Sourced a junkyard 5.3, and a 4l80e trans. I am using a bp automotive harness, hp tuners and a lot of luck. This is my first ls swap so critics please tell me what I am doing wrong.
  4. John Goreham Contributing Writer, GM-Trucks.com 2-7-2019 Specialty Vehicle Engineering, Inc. (formerly SLP) has announced its newest vehicles, 1,000 hp versions of the Chevy Tahoe, Chevy Suburban, and the GMC Yukon SUVs. You may remember Specialty Vehicle Engineering, Inc. (formerly SLP) as the manufacturer who created the Firehawk back in the day. The company's latest creations are the all-new and incredibly fast, 2019 High Output, Stage 2 Tahoe, Suburban and Yukon powered by a custom 416 C.I.D. (6.8L) supercharged LT-1-based engine. The powerplant delivers 1000 horsepower and 875 lb.-ft of torque, and features a blueprinted LT-1 Aluminum block, Race-Quality computer-balanced rotating assembly including forged 4340 steel crankshaft and forged steel H-Beam rods, forged aluminum pistons, CNC ported high-flow LT4 cylinder heads, custom supercharger, and 8 Rib Belt Drive System. The vehicle comes with a 3 Year/36,000 Mile Engine and Supercharger Assembly Limited Warranty. A Heavy-Duty transmission upgrade is standard on the Stage 2 1000HP package and includes a 12 month/12,000 mile warranty. About Specialty Vehicle Engineering, Inc. For more than 25 years, Specialty Vehicle Engineering has been a Second Stage Vehicle Manufacturer and Tier One Supplier to GM and its dealers, having built over 65,000 cars, trucks, and SUV specialty vehicles; making it the #1 GM Specialty Vehicle Manufacturer in the USA. The company was chosen as the exclusive builder of the current generation Yenko Supercars.
  5. I am going to look at a 2001 Chevy Tahoe tomorrow that I think I can pickup for a pretty decent deal. He originally had it posted for $4500 and has been reducing the price slowly. I've been talking to him the last couple of days and I think I can pick it up around $3000 +/-. It's has a Magunson MP112 supercharger installed, all leather, 200K miles, and the body looks to be in excellent shape. The interior seems to be in fair condition, with some minor wear and tear. He said recently it threw a check engine light for a random misfire on cylinder number six at idle. He did a tune up on it thinking it was bad plugs/wires but it still is present. I talked to my buddy about it and he think's since it is only at idle, it's probably a lazy injector which I agree. It hasn't been for sale that long but I think the way he has it listed, it is hard to find so that's probably why someone hasn't picked it up yet. I found it by accident honestly lol. Does this sound like a pretty decent deal if everything checks out? Also, is there an easy way to test the injector? I can bring a code reader from work but he seems like a pretty honest guy. The mileage doesn't really scare me if it has been maintained well. Hell my 2005 Silverado 1500 has 219K on the clock and I drive it everyday and wouldn't hesitate to take it anywhere. He also just had new tires put on which tells me he was planning on keeping it at least for a little while otherwise he wouldn't have wasted the funds for that. For me that is kind of a tell tale sign if it's a decent rig if someone is willing to spend the coin on some new skins for it. Reason for sale is supposedly to free up some cash. Let me know your thoughts, I'd sure appreciate it.
  6. New to this whole forum thing so let's just get down to business. I have a 2015 Silverado 1500 with the L83 5.3L currently I have an Edelbrock E-Force 2300 stage 1 supercharger and Borla atak cat back exhaust. I have been researching all over and for the right camshaft size for my application (1/4 mile/street) and haven't really gotten anywhere. what Camshafts are performing well in these SIDI engines with superchargers? I'm aware that I would need stronger valves, springs, and most likely rods, I've heard great things from Texas speed and Comp Cams but I am not partial to either. once I do the Camswap I will also be looking into a smaller pulley and new injectors which I will also need feedback for. I'm currently running the SCT tune that came with the kit from Edelbrock but I'm sure it will not be adequate once I put in the new cams, smaller pulley, and injectors. ANY INPUT WILL HELP!!!!
  7. Our experience with the all new Camaro has been outstandingly positive. Just last fall, GM-Trucks.com drove a 2016 Camaro SS over 1,600 miles from Minneapolis to Salt Lake City in an epic road trip. The SS turned out to be a strikingly composed vehicle. In our time with the last generation Camaro ZL1, we were equally impressed but the vehicle's extra weight made it harder to control on the track. This generation is over 200-lbs lighter. The all new ZL1 will dial this lighter generation pony car up to the proverbial "11". Specialized bodywork on the ZL1 improve aerodynamics and cooling. A larger front splitter, unique rockers, larger rear spoiler and wide front fenders are designed to keep the Camaro ZL1 stable at high speeds. A special "flow-tie" Chevrolet bowtie insignia is open to allow more airflow to the engine compartment. Inside the ZL1 has standard Recaro front seats, a suede flat-bottom steering wheel, and suede shift knob. Chevrolet's performance data recorder (PDR) is also available. The ZL1 also comes with unique 20-inch forged aluminum wheels with exclusive Goodyear Eagle F1 Supercar tires [285/30ZR20 Front / 305/30ZR20 Rear]. Those huge tires will get help stopping with massive 15.35 inch rotors squeezed by six-piston Brembo brakes up front. 11-heat exchangers throughout the Camaro ZL1 make this four-person car track ready straight from the dealership. Pricing and availability have yet to be announced.
  8. From the album: Drag truck

    509 CI with 12.71 supercharger on meth. 1480 HP, street legal
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