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  1. Well, seeing as how I can't find much on this subject no matter what forum I go to, why not try to start the discussion here and see what kind of following I can get and see where we end up. If you're reading this thread, chances are you have thought about modifying or swapping out your current transmission in your 2014+ GM truck. In my case, I don't mind my 6L80 in my truck. It does fine for what I do right now and it's holding up just fine, but I think the big issue is when you start to search for big power (like I'm starting to do), that 6L80 is not going to hold very much (or so we think). Now, let's all face it. We've seen posts after posts, comments after comments, photos, videos, etc. of guys with built motors with turbos or prochargers shooting down the quarter mile in search for the best time on these 6L80s. Some say they're completely stock, others have them built, and we all ask ourselves the same question: Reliability. How well are these transmissions going to hold up to the abuse on the track? Especially if you want to make it a fast street/strip truck and drive it back home to the garage afterwords. We know for a fact that 6L90s can hold quite a bit of power. Even though I've mostly seen it in Camaro ZL1 applications, there is a guy on YouTube (GuitarmaggedonZL1) who is running a stock 6L90 on stock converter making 1000HP (give or take on an unloaded dyno) and the transmission hasn't puked all over the ground just yet. (Exaggeration, I know.) So, needless to say, a 6L90 swap sounds nice, at first... After you figure the extra length and weight (and in my case, relocation of the transfer case and getting custom driveshafts made), it starts to look a bit unpromising, but still not out of the ball park yet since it will be able to handle the power some are seeking, but where these newer transmissions lack significantly if you want to do boosted applications at the track (or even just launch control on N/A), no one has developed a transbrake. Very, very few forums are talking about this, and only one video exists of a guy in his BMW testing out a transbrake on a 6L80/6L90, and who knows how reliable it is. So, now, you start to think: Well, gee. What can I do now? How about a TH400 or 4L80e swap? So far, I've seen few posts on that as well. No one is talking about it, and I think the biggest problem people seem to be facing is the new PCM: E92. Also possibly the fact that the TCM on the newer transmissions is inside the transmission and whatnot, but whether that plays a part in this, I don't know yet. Now, adapting a TH400 or 4L80e can be done (most likely with a different bellhousing since the bolt holes are in a slightly different spot), but you run into the issue of getting it to speak/cooperate/communicate with the new E92, which I don't think anyone has tried. The only video I've seen of anything working in this application was on a 1320Videos video with a Nova where they were using an LT4 long block (built motor to 388 C.I.) and twin turbos, and it had a powerglide in it. Don't know if it was a manual valve body or computer-controlled, but what I do know is that they used the factory computer to run the DI injection system and piggybacked the rest to an MS3 Pro. After dealing with some issues, they were able to make that thing boogy to a 9 second pass at 148mph. So, these engines have potential to haul ass, but we just haven't figured out how to crack the system. So, at this point, I'll just leave what I've discussed here and see where the thread goes from here, and I'm hoping people chime in and vendors are watching/listening. Even though the demand isn't hot for it right now, there's going to be a surge for good transmissions when people can buy these trucks/cars/motors/transmissions for pennies on the dollar. Unfortunately, I feel like we'll have to wait that long in order to see results, but oh well. Just to give you guys an example: In the next year or two (2019 or 2020), I'd like to go turbo with my truck. (Doing all the supporting mods before going there minus built bottom end until I see where I can get with stock bottom end before sending a rod through the block or oil pan) Ideally, it'd be best to have a transbrake in that application with 2-step, but can't do it on the new transmissions. So, 4L80 seems to be the option, but I can't do that either because no one supports adapters or harnesses to make them work with the new motors/ECUs. That's the boat I'm in. I like to research everything before I go whole hog into something. Risk assessment, I guess.
  2. Hello, I’m new to this forum so I’m not sure if this question has ever been posted? I have been looking all over the internet but just can’t seem to find an answer? I have a 2018 Silverado 1500 Custom And I was wondering if it’s possible to swap my grille to a Z71 grille? I’m not sure if the Z71 grille is a different shape then my front end? I’m not a big fan of the black honeycomb look being that I’m going for a more sleek all white look. (Need to paint doors and mirror caps) If I can’t swap grills does anyone know where I can buy the grille insterts from a z71 grille? first 2 pictures are of my truck and second is a picture of the Z71 grille I want.
  3. Hi all, Next weekend I am going to be replacing the bed on my wife's 2007 Sierra 1500 (115k miles). The old one is rusty, and I picked up a new one for a amazing deal. while the bed is off, ill clean up the frame. I have been researching this, however I still have a few questions, I hope you guys can help me with: Are there 4 or 6 bolts? I can only find 4. Is it worth replacing the fuel pump? What Size are the bolts? Do I have to remove the bumper? Is this a fairly quick job? Thanks!
  4. Hello all, This may be a stupid question but I’ve been on the phone and gone in person to parts counters at my local Chevrolet dealerships and cannot find anyone with an answer. I’m wondering if anyone might know if I can swap the tail lights from a 2018 Silverado into my 2017? I think the 18s look much better but have no clue if they would fit perfectly in. Any information or answers are much appreciated
  5. I have a 2016 Silverado LT2 and do have the new style projector bulbs and LED running light strips in the reworked front end vs the 2015 style... but I like LED lights more than bulbs. Anyone have the smarts to have looked into it to know if the LTZ lights would plug and play into an LT? The LTZ has LED front signal lights and tail lights where the LT has bulbs. Not saying I will do it, but it would be nice to know if it's possible so my truck would have the same look as an LTZ. Thanks
  6. I have a 13 Sierra extended cab 4x4. 17 yr old kid backed up and destroyed my passenger quarter-up to bed rail, taillight, and bumper. If I were to buy a 6.5 bed off a single cab would it fit? Or a bed off a non 4x4 truck would it fit. Same model years 07-13? Looking to save money do it ourselves and have their insurance cut the check to pay it off vs repairing it because it will never be to my satisfaction.
  7. Hi All, About 6 months ago we created a youtube video showing how to remove your front seats and center. That video has received over 7K views and we received many requests for a detailed video guide of how to swap to the center console found in the LTZ models into the trucks with the 40-20-40 bench seats. The parts cost between $600-$750 depending on the source. This is not an upgrade I particularly want in my truck but I have setup a go-fund-me me page (click here). If we can raise enough money, Pete and I will shoot a detailed guide for everyone's benefit. I hope we can get this video created for you!
  8. Hello, I have tried called my local dealerships parts department and cannot seem to get an answers so I thought I might have better luck here. I have a 2017 silverado but I think the tail lights on the 2018 look way better. will the 2018 tail lights swap directly with the 2017? any help is appreciated
  9. Hey guys. So I just bought an 03 1500 LS and I hate the look of the steering wheel. My buddy has an extra wheel from his 08 1500 (which I much prefer). Is there anyway of swapping the second gen wheel into my first gen? Thanks for your time.
  10. Hello, So this is my first post here, Don't hate on me if I posted in the wrong forum. I'd like to get a 2000 - 2006 Sierra, and I want to have a 5 speed manual tranny. and to my knowledge the 5 speed only came for the V6 and the smaller V8 (4.8). neither one is enough. And that's why I'd like to do an engine swap. I think I would buy a V6 so I can get it for less. I'd like to swap it to 6.0 or 6.3 if it fits. I looked around and googled this, most of what I found were people doing the swap them selfs. I however, would like a shop or a tuner to do the whole job for me from start to finish. So basically, once I buy a truck. I would send it to the tuner shop, and then they have a look at it, and tell me what can stay and what has to leave. What engine is best for this application. what tranny .. etc. Any suggestions? Any personal experiences? Thanks.
  11. A few months ago I bought a 2007 GMC Sierra (new body) with 150,000 miles on the clock. It has the LH6 in it. It has since gotten cold outside and when I start it in the mornings It has what I am sure is a rod knock. It goes away after the engine warms up. It has good oil pressure. I have always been a ford guy and wasn't too familiar with these engines otherwise I would have avoided these early AFM engines like the plague. It sounds a lot "deeper" than a lifter click. I have removed the valve covers and confirmed that I don't have a collapsed lifter or flattened cam. The thing consumed over a quart of oil in the last 2,000 miles. I had a cylinder 1 misfire and when I pulled the plug it was pitted and the porcelain was cracked showing tons of detonation. I replaced the plug and that fixed the misfire. All the other plugs look great. Onto my question. With all these issues an the reputation of these AFM lifters and oil consumption I kinda want to get ahead of it and plan on putting an engine in it. This is my daily driver so i need to minimize down time. I was looking to get a block and get it ready to go in the truck (as money permits) so there is no huge rush or surprises. The problem is these specific LH6 Aluminum blocks were only used from 2005-2009 and are not the easiest/cheapest to find. The LY5 however is the iron counterpart to it and cheap and easy to find since they produced them 2007-2014 and were more common. I don't care about the 100lbs. Does everything bolt up? And would the computer freak out? I plan on eliminating the AFM and putting some trustworthy lifters and a cam in it so I will need some computer work done anyways hopefully it can be programmed enough to handle a different block? Would someone with HP Tuners be able to do the computer work or does the whole thing need to be sent off/replaced?. I've rebuilt a few engines It's just this computer stuff that gets kinda hayzey. If I am deleting the AMF is there another Gen IV block that would work for this application? Screw it and get a 6.0 and stroke it?
  12. Hey all, I have a 1995 Sierra K3500 with a 14 bolt 10.5'' 4.10 30 spline rear, but it's not a posi and I'm looking to make it one the cheapest way possible. My father had a 1978 K30 with the exact same rear (14 bolt 10.5'' 4.10 30 spline) but with a posi. He ended up swapping it out with a open diff. Currently that posi unit is sitting at my Grandma's house in the shed and I'm wondering if I can use that. It is completely stock with the 4.10 still on it. So, I'm wondering if I could just take my current diff out of the cover and place the '78 unit in there no problem or is there more to it/not even possible? I'm not too familiar with rears so I'm not sure if the 17 year gap between the 2 trucks make a big difference in terms of rears. Thanks, Hawk.
  13. I am currently the proud owner of a 2016 Silverado LT. However, I am looking to upgrade one part in particular: the Headlight Assembly. I noticed on the '16 and '17 models there are some higher equiped trucks that come with the clear turn signal headlight assembly. i was wondering if there was any way to swap my assembly, with amber hallogen bulbs, for the assembly with the clear lense and amber LEDs that some of the '16 and '17 trucks have. Thanks for the help!
  14. I’ll try to keep this short and sweet. I have a 2014 Sierra 1500 4x4 (Crew Cab, SLT, Z71, blah, blah, blah) with 3:42 gears. I’m running stock rubber. 275/55 R 20. I believe these are 31.9 inch tall tires. My plan is to lift my truck and tune it as soon as I hit 36,000 miles. I want to run 35’s after I get my 6 inch lift installed. I found this calculator. http://www.4lo.com/calc/geartire.php I’ve been pretty obsessed with it and the numbers it’s giving me since I found it. If I want to run a 35 inch tire, my current tire size is 31.9, and I have 3.42 gears front and rear, to keep the same gear ratios, I’d need a 3.75:1 axle ratio. Which is pretty close to 3.73. Catch my drift? I know I’ll never get the acceleration and fuel economy back after taller and heavier tires, but shouldn’t my truck be pretty close in drivability and at least in the same ball park with stock fuel economy and acceleration if I were to install some 3.73 gears at the same time as I installed the tires? Someone out there has to have done this same swap with this setup. Just curious about the results.
  15. Hey everyone! I'm new to this site and just got my 2017 Silverado LT 1500 last week. I did a search on this topic but came up empty. I love the headlights with the LED switchback strip on the LTZ, Z71, and High Country. I was wondering if anyone has tried or considered putting those on an LT package. Are the harnesses the same so it would be a simple plug-and-play or am I just having wishful thinking to think its that simple. If not plug-and-play, what kind of modifications would have to be done (or potential harness replaced) to make these lights work? Let me know your thought, concerns, or problems this upgrade may have. And if anyone has a picture of the wiring harness of the switchback LED strip headlight and could post it so we can compare the 2 to see if they are the same or even similar and what differences there are between the two headlights. Thanks in advance!
  16. Hi I need some technical help! I have an 03 GMC with 8.1 and need a trans rebuilt due to overheating while towing. I found a good used trans from an 05 Dmax with 32K on it. I need to know if anyone has done a swap and if the electronic side will work with the gas verse's the diesel. I know the diesels are set up a different but know one knows for sure what is exactly different. I don't want to make a $1,500 dice roll and have to do this twice. Thanks for any feed back. 
  17. Hey guys, I did some research on this looked like the door trim pieces arent hard to get out. Not sure about the console trim though? Ran across what seems like a pretty good deal for all included. Has anyone bought this package and done the swap? or done something similar? http://www.shopchevyparts.com/interior/2015-silverado-1500-interior-trim-kit-crew-cab-synthesis/23147676-p-92282295.html
  18. 06 L96 vortec 6.0 engine. (Crank is not extended) T56 transmission (bolts up fine) Pulling my hair out on this one. Mainly cause i dont know the differences in the engines to decide on. I need a clutch kit and flywheel to work properly What will work in this setup. I cant find any info for a l96 but everything for lq4 and the other iron block truck motors with a t56 trans.
  19. So I had sort of a weird idea, and I've seen some guys on youtube do it, so here's my plan: swap out the stock stereo deck for an iPad mini (obviously some modifications to the dash required there but that shouldn't be too bad) and then just install a high quality single din stereo somewhere else on the dash.. Ideally I'd like to put it where the 6 disc CD changer thing is if possible? just because it would be pretty convenient location and I don't think I've used a CD since i was 7 years old so I'm more than fine with taking the disc changer out haha. I'm assuming I would have to be a little creative mounting the deck there as well but i'm hoping it doesn't take anything major. Just wondering what you guys think and if there's anything I should be aware of moving forward? Basically just wondering how hard it would be to fit a single din stereo deck in the place of the disc changer?
  20. Evening folks, The time has come to look into selling my pickup. I have copied the text from my Craigslist ad below, but some quick details are as follows: --2001 Silverado 1500 RCLB --LQ4 6.0 swap. Tuned by Justin at Blackbear. Truck originally had a 4.8; the 6.0 donor vehicle was a 2002 1500HD. --Built 4L60E (5 pinion plantearies, high energy clutches and band, TransGo 1800 converter, modified valve body, etc.). The trans shifts well and can take the 6.0 power with ease. --Tasteful upgrades to the interior, exterior, and audio areas of the pickup. Feel free to ask any questions you may have, as I'd be happy to answer them and/or provide additional pics! I can meet anywhere in the LA area. Asking $3900 OBO. Thanks, --Scott http://losangeles.craigslist.org/wst/cto/5387577421.html 2001 Chevy Silverado for sale. I have owned this pickup for over 5 years, but recently bought a new vehicle and can't justify keeping this one. Pickup runs excellent and has no mechanical problems. It's ready for whatever you can throw at it! Clean Kansas title in hand. Pickup has never been titled outside of Kansas and Oklahoma. Smog at buyer's responsibility. Engine is not modified and catalysts function as designed, so smog shouldn't be a problem. Details are as follows: Engine -- 2002 LQ4 6.0 with approximately 135k miles. Runs great with no check engine light. Tuned by Justin of Blackbear Performance. Recent complete reseal, water pump, and knock sensors (all preventative maintenance). Trans -- Built 4L60E with approximately 25k miles. Auxiliary trans cooler. Shifts positively and has no problem handling the 6.0. Build details available upon request. Exterior -- 18" Z71 wheels from 2013 Silverado. Professionally tinted tail lights. Chrome grille and bumpers. OEM receiver hitch with 7 pin trailer wiring. Interior -- 10 way power, leather buckets and center console from Avalanche LT. Instrument cluster with trans temp gauge from Cadillac Escalade. Manual windows, locks, and mirrors. Tilt wheel, cruise control, and excellent A/C. Audio -- Pioneer head unit with Bluetooth hands free calling, Bluetooth music streaming, Aux input, USB input, MP3 CD, etc. Alpine Type S speakers throughout.
  21. I have standard mirrors with chrome caps, heated, turn signals, power fold... on my 2015 SIERRA 2500HD SLT. Anyone interested in swapping their tow mirrors for these standard mirrors? I need an upgrade for trailering.
  22. Looking to trade my chrome bumpers(both front & rear) from my 2015 Sierra SLT for iridium metallic bumpers with sensors. Truck is 1 month old and bumpers are in mint condition. I am located in Canada but am very close to the boarder. Please let me know if anyone is interested. Cheers.
  23. Good morning, everyone! I'm new to the board but I hope to frequent it pretty often instead of being one of those one and done posters. So, here's my situation: My 2000 Silverado 1500 z71 transmission is getting pretty tired (215,xxx miles) and I've picked up a wrecked donor 2004 Silverado 1500 with a rebuilt transmission that I know to be functioning well. Both have the 5.3L with the 4l60e trans. I'm looking to swap the engine and transmission from the 2004 into the 2000 - my thought is everything will bolt up properly due to not much changing between 99 and 06. My concern is can I use the pcm from my 2000 on this newer engine that we're putting in or will it require a new wiring harness and pcm? Are there any other things I should be concerned about? Thanks for your time! Reyn
  24. I have a 09 Silverado which i'm looking to change the ugly drum brakes in the back to disc and I am at a loss as to what models cross over. No salvage yard help or anything. So I just need a nudge in the right direction to find the parts and a little info on what all needs to be done
  25. Hey everyone! I've been wanting to throw on an LS6 Intake Manifold from a Corvette onto my 2002 5.3 Silverado. I was just wondering if there is anyone who has done this and if so what problems were faced. It sounds like the Vette manifold is slightly longer and there may be some issues with my current water pump. It sounds like an interesting project and a great learning experience. Again, if anyone has tried this, I would love to hear your stories and/or opinions. Thanks!
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