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Found 23 results

  1. 2017 Chevy Sliverado. Does anyone make a cheaper 4.3 LV3 intake tube, that goes between the airbox and throttle body, than Airaid? $169.00 is a lot of money for a curved piece of plastic. I just want to get rid of that huge piece of plastic so I can see the down the front of the engine. I could make one from a turbo plumbing kit, but it would be easier to plug and play. Thanks.
  2. Here's an issue that has me stumped. 2000 Silverado, 4.3, 200K mi. Truck runs great, no oil consumption. I have a very random oil pressure fluctuation, normally I have 40 psi (+ or - 5psi) pretty steady, not affected by rpm or temp. about 20,000 mi. ago I started getting a lifter tick on start up accompanied by crazy fluctuation in oil pressure relative to rpm ( 15psi at idle and 60+ at 3500) It will do this for maybe a week and then stop....no tick and steady oil pressure again. Truck has always had regular oil changes with quality oil (dino) and a Wix filter, I've tried Lucas oil additive, Marvel, different viscosities between 10-30 and 15-40 nothing makes it worse or better. Seems to go away by itself and then return completely at random. Sometimes it will go 5k with no issues, other times maybe 2k. Not affected by oil changes or mileage...just comes and goes. Always lifter tick and oil fluctuation....tick goes away and so does crazy oil pressure. WTF is going on?
  3. I am really interested in swapping out my 4.3 Vortec for a v8 in my 2003 Silverado 4x4 5speed manual. Any tips or advice and what is needed for this swap? I have read some posts about this but they all have different info on what is needed and difficulty etc.. thanks!
  4. I picked up a 2018 Silverado custom with the 4.3 a few months ago, i love it so far but the only thing i dont like is that it is way to quiet compared to my old silverado. Has anyone put an exhaust on that makes a little more noise but dosen't make the v6 sound like a subaru? I want some noise out of this beast!
  5. I'm looking at a 2015 1500 with a 4.3, 3.42 gears. I would add a leveling kit with 33x12.5s. What should I be expecting for gas mileage? Would a 5.3 get better MPG with the lift/tires? What is your current tire/lift/engine/mpg? I tried the search feature but couldn't find a ton of what I was looking for.
  6. GM/Chevrolets claimed tow rating doesn't add up when crunching the numbers between the 4.3 V6 3.42 model vs the 5.3 V8 3.08 model (2014-2018). Look at the last two columns in the below chart for torque (ft./lbs.) coming out the differential towards the wheels. (These numbers do NOT account for drive train loss, at the wheel ratio changes due to various tire sizes, and the engine torque was taken as published (383 for 5.3 and 303 for 4.3 V6). The ROWS are gears 1 (top) through 6 (bottom). The formula used was: Step 1) Transmission gear ratio multiplied by Rear end gear ratio = Final Drive Ratio. Step 2) Final Drive Ratio multiplied by engine torque = TORQUE coming out of the differential to the wheels. Torque coming out of the differential and to the wheels what gives a vehicle its POWER to pull and move weight. The 5.3 with 3.08 BEATS (MORE POWER) the 4.3 with 3.42 in EVERY GEAR I understand there is more to ratings for tow capacity than just pulling power, however the 5.3 and 4.3 share the same frame, suspension, 6 speed transmission, etc. which means the only variable between the two models is the engine. Since the 5.3 with the 3.08 rear end CLEARLY has MORE torque going to the wheels than the 4.3 with the 3.42 rear end how does Chevy/GMC claim that the V6 model can tow more? The only thing I can think of is MAYBE the 4.3 runs cooler than the 5.3 so the engine is capable of sustaining high RPMs for a longer period of time...
  7. Hey fellas. New to the site. Just picked up a new 2017 Sierra 4.3 Ecotec3 a few weeks ago. As you can see by the pic, I wasted no time in sprucing her up. I did a ton of research on this new V6 prior to buying, and decided to give it a try. Anyway...Ive read alot (mostly from GM sources) talking about the performance benefits with with using E85 in this particular engine. The numbers are impressive, but I remain skeptical. Everything I've ever been told about Ethanol in flex fuel motors, is "stay away". The long term damage on metal components just isnt worth it. But I'm being led to believe that is no longer an issue with this new V6? Open to any and all suggestions. Keep in mind, MPG is not a factor. My drive to work is 8 miles, and E85 here in Indy is a full $1 cheaper than unleaded per gallon.
  8. Thinking about doing this but not sure how it will sound? It's a larger V6 so I'm thinking, not bad? FlowMaster, Borla? This isn't something you can easily "take back" so I'm looking for people who have actually done it and are pleased with the sound. I'm not going to do it if it sounds like a "V6".
  9. I am hoping to start up a good conversation on upgrades/information/etc on the 4.3L V6 Ecotec3 engine. There isn't much info on here about it. Well...I can't be the only Silverado 1500 owner with that engine. Just looking to see what people have done. Any issues? Just a good informational forum/topic.
  10. 2015 Silverado Regular cab with 4.3 V6. Has just under 14,000 miles. The other day after work I drove to the store and was gone for about 15 min. I kept my phone plugged into the charger. Came out, started the truck and it acted like it was gasping for fuel. Almost like starting up an old lawn mower. It then started surging a few times until I hit the gas and gave it some real juice. Then it became normal. This has only happened one time but it scared me. The only thing different I've been doing lately is running E85 fuel. On my 3rd tank of E85. Temperature has been in the high 50s to mid 60s. So not sure. Any input? Was just inspected and had synthetic oil change two weeks ago.
  11. Hello everyone! I recently purchased my first GMC sierra, 4.3l work truck to haul some kayaks and get me through the winter. while driving it home i tested the 4x4 and it all worked, the 4lo was a little clunky to get into but i had no problem engaging it. after a few miles i started hearing a clacking sound, it sounded a lot like a U-joint so i investigated when i got home and found it to be coming from the transfer case. there was a leak at the rear output shaft seal, so i replaced that and went to drain and put fresh fluid in, but to my horror there was almost nothing in there, and what came out was a black thick sludge, so i put fresh fluid in and drained it again. again what came out was better looking than before but still clearly dirty. so i finally put in another 2 quarts of dex IV that the dealer said i should be using, and have been driving it for a day or two less than 50 miles. when today noticed that the shift lever is stuck and i cant move to any of the 4x4 gears. the linkage is free i played with it and it moves around. the things that has me perplexed is that the 4x4 worked after the fluid change. i don't know much about transfer cases, and am hoping someone with more knowledge could point me in the right direction on what my issue could be. sorry for the rambling i was trying to get as much information in as possible that i thought could be helpful.
  12. Yesterday my odometer turned 10,000 kms. on my trouble free V6 in my 2015 Sierra 1500 CC 4X4. I have used my truck for every type of task I would/will use it for and haven't once been disappointed. The V6 will provide more than enough power for the majority of people and is only lacking in the bragging rights enjoyed by its bigger brothers. I decided to do something about it because nobody riding I'm my truck can tell its not a V8 unless I tell them! (I did post this picture on the thread telling what you did to your truck today)
  13. I have a 2006 Silverado WT with the 4.3 and NV3500, and am in the process of ordering everything for a clutch swap within the next week or so. I'm almost fairly certain I want to go with an Exedy clutch kit, including master and slave cylinder. I've used Exedy before and have been happy with it thus far. What I really can't decide on is what brand flywheel to use. I'm leaning toward a Sachs NFW1055, but I've only seen one review on it and the person mentioned it was incorrectly balanced and it had to be sent back. Just seeing if anyone else has done a clutch swap on a 4.3 and what brands were used. I probably wouldn't normally ask, but Exedy doesn't appear to make a flywheel for this truck, leaving me to find an alternate brand flywheel. Also, the main reason I'm doing a clutch swap is because the truck shifts and drives horrendously. Grinding gears, clutch pedal engaging at the floor, jerky engagement, etc. I've seen mixed information on different forums about this issue never really being resolved and some people never get a properly functioning clutch before it's over. I've seen comments as simple as someone had the same symptoms and swapped the clutch and it drove like new. Then I've seen people say there is a GM service bulletin out over trucks assembled in Mexico using the wrong master cylinder and a revised replacement part has to be used, a clutch swap has been done with little change in symptoms, etc. I'm hoping replacing the entire clutch system will take care of all this. Input on this would be greatly appreciated as well. Thanks!
  14. I have a 96 GMC Sierra 1500 with a blown 4.3. I just want to put a another 4.3 in it. Could anyone tell me if I can use a 4.3 out of like an s10 or blazer? I know I'll have to swap things like harness, intake manifold, exhaust manifolds etc. But isn't the over all engine the same? And is there a year range I should stick too?i figured 96 to98 or so but I'm no gm expert. Thanks in advance.
  15. After searching multiple threads trying to decide what brand of new/used truck to buy I landed at a Silverado because of the range device. My goal was to have a light duty truck that gets around 20 MPG. My mechanic buddies said hell no to the Siverado due to AFM problems. No to Nissan because alot of the stuff under the hood needs the cab of the truck removed to access. No to Ford because it's Ford and I just flat out don't care for a Dodge. So I picked up the new V6 which broke my rule of never buying the first year of a new motor. On slightly hilly and curvy county roads in Mid Missouri I got 21.4 mpg average with v4 activated. I am averaging 19.4 with the Range plugged in. It has yet to run my battery down. Longest without a start would be 3 days. The shift points were definitley smoothed out except first to second going up hill and that doesn't happen all the time. Stock tires also. The reason I didn't do the tune is that I didn't want to take a chance on voiding the warranty by making changes to the computer. Truck had 26,000 miles when purchased. If you get the V6 on a flat highway you could probably jump the MPG up to 21 or higher as I have seen this on short trips. Hope this helps.
  16. When I bought my 2015 silverado it came with 255/70/17 tires/rims, but I recently purchased some 22-inch rims with 285/45/22 tires. I'm not sure what gear ratio I have on my truck and I also don't know if I need to changed them. It's a 2015 Regular Cab Silverado LS 4.3L
  17. I have been researching a lot and I'm trying to figure out what the best 4 inch lift is by people that actually has experience in the lifts. My truck is only 2wd just want the lift for looks and not getting stuck as easy. I have also ready the 2.5 leveling kit with 1.5 body lift will give a better ride quality then a suspension lift. Is this true? I was thinking about going with bds but because it's not going to truly be an off road vehicle I don't want to put too much money into the suspension I also just don't want to go cheap. Can anyone share their experiences with the lifts?
  18. Hi, picked up a 2005 Silverado v6 for cheap that needed a valve job. I've got the thing running now but it will start to misfire then die after it gets near 210 temp. Up until it starts to run rough, it runs great, like it has no issues what so ever. 81k miles. I've replaced plugs, wires, rotor, cap, ignition coil, ignition coil module and coolant temp sensor as far as electrical goes. Tested fuel pressure once I had the motor put back together and it tested 55lbs with almost no leak down after key is off. I did redo the timing cover and reused the old crank sensor. I read that it should be reset via scanner, but it's ran besides the heating up problem so I thought I just lucked out. I was looking for the fuel filter on the truck "drivers side inside frame rail" and had no luck finding it. I ordered all my parts online and they sent me a normal canister filter with the threaded fittings but after calling the local store, they said it's actually a screen on the fuel pump? Can anyone confirm where the exact location is or is it part of the fuel pump? Pics would be awesome. What else could be causing this issue once being warmed up, but have it run great up until it heats up?
  19. I'm placing this here because so often I see the gear ratio debate and it's often very subjective. I see a lot of posts picking on GM for even offering 3.08 gears and new owners being discouraged by having 3.08 axles. To understand this more completely I think a chart that shows the final drive ratio's of the Six Speed and how they stack up to the Four Speed Autos with common axles ratios. You can see 3.08 gears compare very well to the 4 speed with 4.10 gears and I can still remember when that was plenty of gear.
  20. From the album: 2014

    2014 crew cab LT 4.3 v6
  21. I'm hoping that the new 4.3 V6 & 6 speed are offered.
  22. I have a 4.3 in my bowtie, and I want 35 inch tires, what the best thing to do if I get the lift and tires?
  23. Hi maybe someone can help me with my engine swap issues ! I have a Silverado Sportside pickup from 1989 with a 4.3 Liter V6 engine. I have now removed the 4.3 L engine and fixed up the engine room with new paint and wiring and so on..... and i am about to put in a 5.7 L V8 from 1989 to get better perfomance. My Question is: On the torque convertor it is a label with: 8653702 on. Must i change convertor for the new engine (5.7 L), and if so are there anything else i must change ? If so what convertor number is for 5.7 L V8 engine (Gasolin) Best Regars from Finland Patrik
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