How To Build a 600+ HP Tahoe
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- Опубліковано 14 лют 2019
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I’m sold I want build one (LSA) now. Thanks for the video 🏁🏁
Dig it brother!!! As always thanks for sharing 👍🏻👍🏻👍🏻
Nice build! Just bought an rpm 4l60e with a tci breakaway torque converter for my Tahoe. Gonna be fun when my heads, intake, and headers get delivered.
Long post, sorry,
Thanks for this. I can use this as a guide if I decide to continue with my Tahoe.
A couple of summers ago I purchased a Tahoe almost identical to yours, mine is lowered with 17” wheels. In great shape. As I understand it, the stock 4.8 had been swapped for a stock rebuilt lq4 with an LSA supercharger and ZL1 lid. The converter was “a cheap single disk that would get the job done” of unknown origin. The transmission is a stock rebuild of a 4l80E. the rear end is rebuilt with Posi and 4.11s. The exhaust is shorty headers through what looks like stock y pipe and cats to a single 3 inch out the back with a Magnaflow muffler. The guy who tuned it admitted to a driveway tune and he didn’t know what he was doing.
I was working with a local guy on a street driven tune. My Tahoe wasn’t that quick, averaged 13.4 to 13.8 @ 101 to 99 mph. The exhaust sounded like it was pushing air through a straw, so my fist changes were going to be converter, headers and off-road y pipe. The torque converter had been set to lock at WOT, something the tuner and I agreed may damage the currently installed converter so we turned it off, which did slow the truck down some. He made the tune safe, fixed the shift points and the timing. There were problems I found after that we hadn’t noticed.
After the last tuning session, I was almost home when I noticed I only had about 0 psi oil pressure (no pressure warning light) . The engine was making no noise or running any different, I pulled off and checked the oil level, it was a quart low, which seemed odd, but not enough to cause this issue, which did not resolve after filling it. While checking this out, I realized that I couldn’t get the oil cap off with the engine running because the entire system was under full engine vacuum. After tracing the tubes, I found all parts of the PCV system to be routed to vacuum sources (face palm). I corrected that, changed the oil and filter and the pressure sender. After fixing the PCV by routing one of the valve covers to an air cleaner, I got about 5 psi back, which gives me about 5 psi oil pressure when hot and 40 psi when cold, pressure never rises with RPM, sometimes it drops under load and rises under decel, leads me to believe its main bearings, but not sure, I did cut open the filter and found some brass shavings in there, not a lot, but they were there. Still don’t know what caused this on a motor that everyone tells me is very stout and should be able to handle this setup no problem unless the weird PCV routing caused some internal oil starvation issues.
Moral of this story, I broke my own rule and bought someone else’s project and now I’m paying for it.
I do drive it up my street occasionally, but I keep it parked most of the time until I can figure out if I’m going to keep it and do something with the Shortblock or sell it for whatever I can get and put that money into the Firebird. It’s a good starting point and I was excited to see what I could do with a pulley, tune, decent converter and LT headers plus exhaust, was counting on having to put a shortblock or replace all bearings already.
I've seen this truck in person. It truly awesome!
Man bro, I can not lie, I friggin Love this Tahoe bro. You truly out did yourself and it's one (1) of A kind. Your a Heavy Truck Power Genius bro.
Good job, love how clean it is setup!
I have a 2016 and 2006 XL. Was looking for a hotrod but started investigating what it would take to build my 2006. I’m starting my plan
I have an 04 Tahoe Z71 as well. I can’t wait to make it a fun one like yours.
Hell yeah! Thanks for the video!
Nice Tahoe and nice set up I have a 2000 silverado with a 5.3 I was thinking of doing a Cam and Turbo set up
Not a honarable mention? lol. Love your builds. Well explained!
Awesome. I’m in Clayton NC and just about to embark on a 5.3/4L80/np241 transfer case swap into a 3rd generation 4Runner! Staying basic and NA at first and focusing on an OEM-like swap, but will eventually go LSA! Using your Tahoe as a role model as I collect parts!
Super cool I will be checking out the old videos. By the way I love my True-Track
😎🇺🇸👍 Hey Buddy thanks for the update great stuff ✌️🤟
I only wish i new someone with the knowledge you have OMG
great video !
Really cool truck man.... I feel you on the 4l60 build . . But damn I just got a rossler 4l80e for about the same price
I would have tried a Hummer h2 14bolt with some 6bolt axle shafts. Axle housing should bolt right up.
My Yukon is an 02 I planned to put a centrifugal supercharger on it, a 14 bolt rear end, swap my front and rear gears to 4.10 and so on. Thanks for the information about the trans, I've been wondering where to get a nice one from...
Hey man I need help with a few things trying to give my 96 suburban more power. Wondering what you'd suggest
Great video man thank you for taking the time to talk about everything.
I love my 60e's i build my own . they will do well if build right and tuned right.
Great video!! like always helping us with our builds....... I do have a little issue have a 2006 chevy Tahoe z71 4x4
I would like to maybe🛠 install a superchip I'm looking for a little more power seems to loose power up hill with my little trailer..what do you recommend sensei..🤔
I'd get a custom tune before I did a superchip
Big fan of your truck
Great video I was already looking to get an rpm trans for after I do the twin turbos in my 06 YukonXl slt just put the Yukon gear & axle trutrac slip position rear end 3:42 gears to match the front not sure if that's good or not but it has gapped a Lincoln mix going up an overpass bostock 5.3 flex L59 engine. What cam would you recomend for a tt setup I'm looking to get sumthin between 600-800 who. Any suggestions?
Check out BTR boost cams. They work great
Been missing the videos. I finally installed my new transmission and converter... I’ll try to put up some videos soon.
I might be out of my league here, but the Z71 package GENERALLY comes with the G80 diff. That is a very interesting diff. It uses the difference in centrifugal force between the two axles to activate the mechanical LOCKING differential. If one wheel spins at more than 100rpn faster than the other, this big pawl flips out and locks the axles together. I liken it to how Park on the transmission uses a pawl to keep the driveshaft from turning. In other words, it is a true locking diff, no clutches involved at all. And that in itself may be the problem. Once it locks up, it stays that way until both tires are turning same RPM for several feet but it also needs a reduced load. From my experience it won’t release while accelerating. Be he ad it locked in the mud, then a slight turn onto pavement, then straight, but under throttle, trying to get a little sideways, and all it wanted to do was hop sideways, quite unnerving, and rough on and diff. I’d get that if it locks while doing a burnout, stays locked, and you launch, then the 1-2 up shift could destroy that whole mechanism if it’s not completely disengaged, or even still engaged. I don’t think it’s the constant pressure that hurts them. I think it’s the shock of engaging with tons of traction. Something has got to give. And with like 2500 lbs over the rear axles, nearly 600 ft lbs of torque, 3.73 gears, which are physically task, and big stupid tires, something is going to break. Take out the G80 and use an air locker. Or, spend a bunch of money.
G80s are known for blowing into pieces. I did my rear end last year and put a detroit locker in it with worm gears. A wayyy better upgrade.
Are you located in North Carolina because I have a 2004 Chevy suburban that I am trying to get around the same amount of horsepower that you have on your Tahoe and I’m trying to see exactly everything that I would need more or less to get it to where I wanted it at
What cam would you have put if you knew you were going to put a LSA supercharger
I'm doing something similar and would like to ask if you could point me in the right direction on tuning the 02s out. I have hptuners but im new to it
Sure, hit me up on IG
How do I get my stock 01’ 5.3 cheap and quickly to 400 hp without having to do to much?
Can you give me a ride to the bar? Lol, nice ride.
Wondering if doing the same setup or turbo charged setup on a 4.8 vortec. Do you think the 4.8 is just as good as the 5.3 if not better? Because I've heard that 4.8's are notorious for boosting and are capable of handling more than what a 5.3 ls engine would. I've just been wondering because I would personally love to turbocharge my Tahoe in the future, which has a 4.8.
4.8s make almost the same power as the 5.3s. Id go for it
Is there a video with u installing the trans heat exchanger on the Tahoe?
No. I do t have a video of that
Nice work! I have a question, where did you get the wiring for the MAF to MAP sensors. I have a 2004 Regency and wanted to wire it the same way you have!! Thank you in advance!! Keep the vids coming!!
Crawford Racing made me a harness
@@HighPSItv Thanks, I just got off the phone with Chris the owner. Very cool people and he was able to take my info (he requested for me to send an email which i have done) and will have the harness to me in a few weeks. I told him no rush i didn't need it for a few weeks. I was really surprised when the owner answered the phone.
Chris is the man when it comes to harnesses
Hi I have the same year tahoe, same color just not a z71. How would the reliability on a build like this be if I was going to daily it
Reliable. I drove it often
Sweet build .. wonder how my built LQ9 would hold up against it hmm....after a higher stall and gears I'd run you lol
Is the blower ported? What’s your compression ratio? What size throttle body? How much ignition timing ?
Thank you
No, stock, stock, 14 degrees
Will all these equipment fit a 2004 chevy tahoe z71 5.3?
Yes
So say I build something similar to yours. Can I run just 93 octane or do I have to run E85
You will be fine with 93
Any suspension mods, and what sized wheel tire combo.
It's just lowered. And the wheels are 24s tires are 305 35 24
Thanks for the guide to updating a Tahoe!
How’s the RPM 4L60 holding up? Still have same one in there?
Still hanging in there
I’m wanting the rpm transmission too how is it holding up?
Never gave me one issue
How reliable is the setup? Could you drive long distances trouble free?
It never gave me any issues
I was gifted an 01 Suburban. This can all work on my burban as well, correct?
Yes
Can you use the stock 4L60 drive shaft with a swapped 4L80m
You can not
I am. You just have to swap the front yoke and use a hybrid u joint. May be diff if you are 4wd..
What springs are u using to lower it?
Mcgaughys
Wondering how big your shop is? 12x14 doors?
30x30 with 14 ft doors
Did you know Ford is coming out with the new 7.3L Godzilla V8 for the 2020 Ford Super Duty.
Sounds reliable
What size wheels and tires you have?
305 30 24
Nice description of the build. Off subject ? Here but what's the height of your garage? I'm buying a house and want to build a garage with a spiderlift
I was wandering the same thing, looks at least 16', so much headroom
They are 16ft
I know you mentioned rpm motor sports. Are you near the garner/Raleigh area? Also do you have a Facebook or someway I can send you a link to a lsa supercharger I found and you tell me if it’s a good deal and what else I would need??
Yea. RPM in garner. We have a FB page. RPM Motorsports NC
Cars are played out, it's all ABOUT TRUCK POWER BABY .
Great video. Got ideas for my Tahoe now.
Carlie C's down by John has like 82% E as of a week or so ago.
I'm putting a LQ9 in my Yukon with CNC 243 Fast LSXRT that's 11.0 CR and my cam is 224/228 .600 .600 113 LSA funny our cams are identical.
So how much basically rough estimate cost to do the whole build total money spent
$10,000
@@HighPSItv wow not bad
How much would an setup like that run
$10,000 or so
Soooooo... if I were to give you my ‘04 Tahoe Z71, would you be able to replicate the build?
Sure
High PSI tv what’s a better way to contact you?
Instagram
Is this thing still 4wd? Any change to the transfer case?
The transfer case is stock
@@HighPSItv any problem running this much power throug it?
On stock 60e?
Not stock
Pardon, what’s with the oval pistons ?
Badly worn at the front and back :-)
@@jonathanstaley9522 , i was told these engines were reliable. My '04 has >125k, should i be worried about this kind of unusual wear ??
@@telemachusepiphany9668 Depends on it's service history. 125k is nothing these days if oil changes are done on time etc. :-)
They were just worn out
@@telemachusepiphany9668 nah, LS engines have " on center " style blocks so thrust wear for the pistons should be near zero. But poor maintenance and abuse can make pistons deform.
You still got this Tahoe?
I bet you really have heard a ton of shit about still using a 4l60. They'll hold, if you spend a ton on all the internals. I've built many over the years working for Chevy dealers. I just don't care for the ratios and the 3-4 clutch design. Sonnax has a badass 3-4 clutch drum where the top 3-4 plate bolts into the housing instead of using a snap ring. You probably have it in your trans. The 80 is just so damn stout, with nothing but a shift kit and heavy forward drum it'll hold what those level 9000 60s will for a silly cheap budget. Matt Happel's sloppy Colorado is a good example.
THAT IS A BAD ASS TRUCK MAN DO YOU KNOW SOMEONE WHO CAN DO SOMETHING TO MY TAHOE 5,3 I'M LIVE ON TAYLOR'S SC IF ANYONE NOW SOMEONE WHO LET ME KNOW PLEASE 🙏🙏
Does anyone know how much it would cost to do all of this to a stock 5.3 tahoe?
I'd like to know the same
Probably about 15k
@@HighPSItv You serious?
@@infamousnova LSA blowers themselves are about 2-4k that transmission being lvl(stage) 6 is probably another 4-5, then the diff is probably 1-3 then all the little things like coolant tanks, ZL1 lids.....modifying cars is typically a rabbit hole.
@@armaggedon4christ welp. This is out of the question lol
Everybody from NC got that hp
Would you sell the tahoe?? If so plz email me..thnx
What's your email?
@@HighPSItv derkdiggler32ayahoo.com if u could give me a run down on were the tahoe is with all the goodies..and then give me an idea of what ya want for it $$ and what its worth..but ya..love that thing..im in northern cali its all ls swaps and 24s out here..lol and diesels..ya give me an idea if you would let it go and if not it was worth a shot..thnx buddy..my names Travis
60e level 6 ++++x5 lol sorry had too
How much money did all this cost?
About $10,000
0:05
You could of built this way eazyer and cheaper with more power with out that lsa ... 2020 boy I’m calling out next ls fest in vegas
First
I've never been this early on High PSI TV Hell Yea.....you should turn the 2 door old school you got into a tube chassis 25.5 RVW car see if you can find fiberglass front clip and doors for it
6k LB after that blower install lol
I have no idea what he talkin about i wish i knew about cars
Nice I don't like the ethenal using fuel should be non ethenal only
For newer 02 and up it's good for them as far as the little bit of ethanol that's in regular pump gas 10% probably helps clean a little and raise the ability to not knock. But if you have a tbi or carb it's not for you. But e85 is a big difference in how clean the intake ports will be and how much better it is at raising the knock threshold and cooling purposes and it's cheaper than 87. Now if your just driving around in your stock cavalier then it's not going to help but if you have a FI setup and want to make the best of its power capability and not blow it up then this is a cheap alternative to running race gas all the time to be able to have fun on the street in a street car.
E85 is like 105 octane straight from the pump, that's why it's the preferred choice of fuel for forced induction
You can make a lil more power running the corn juice
@@brandonchauvin4739 little.......in my V ethanol would net me 100hp alone on stock everything else...except injector.....Ide need new injectors as they are maxed at stock
4l80 is overrated, it's for towing and what not. i guess if your torque converter is setup correctly you're probably fine.
I'm hating😠
660 on the crank. D.. you americans must have sh... fuel, could actually wonder what you use the blower for.... Anyway nice build
Can you try again in English? Because none of that makes sense.
@@swackhammer2139 Very little power according to volum and the reason is lower quality fuel. So on higher quality fuel it should be possible to reach 550+hp in a 5.3 Vortec without the blower
That would be a max effort 5.3 with no where near the power under the curve as this blown setup and definitely not close in torque. Probably have to run a 3600 stall just to get it to move. Who wants that in a heavy dd tahoe?!
@@spyderlyf3 Who wants that in a heavy dd tahoe? Given rotation-force are same as original + added extra amount of fuel... About 100% of the owners of org-tahoe. No i did not sleep with this post under my pillow, after 2-days i just wanted to see if anyone had other experiences and your comment was here. And I agree, best way to acheive the power is the blower given as you state. The torque gained are impossible with only NA-tune.
Bruuuuuh... 🤦♂️ I ain't hear nothing you said for a whole minute trying to figure out what kind of hood you got (I thought that was light coming thru) only to realize it's a light bar. 🤦♂️🤣💀