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L8T BURB
Full Access Member
·
From
Kentucky
Joined
Jul 3, 2023
Last seen
Thursday at 6:38 AM
Posts
149
Reaction score
366
Points
63
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L8T BURB
reacted to
Fless's post
in the thread
Engine Temperature Keeps Getting Lost and Fans Run at Full Speed - SOLVED
with
Like
.
So all the posters who said "thermostat" were right! Great forum. :)
Tuesday at 6:39 AM
L8T BURB
reacted to
Mistico3's post
in the thread
Engine Temperature Keeps Getting Lost and Fans Run at Full Speed - SOLVED
with
Like
.
So I believe I finally found what the issue was. The problem was with the Thermostat and replacing it has finally made this issue go...
Tuesday at 6:39 AM
L8T BURB
reacted to
Fless's post
in the thread
Engine Temperature Keeps Getting Lost and Fans Run at Full Speed - SOLVED
with
Like
.
Come back after your thermostat change and let us know how/if it worked for you.
Mar 17, 2025
L8T BURB
reacted to
BartAAllen's post
in the thread
Engine Temperature Keeps Getting Lost and Fans Run at Full Speed - SOLVED
with
Like
.
Thanks so much for your elaborate reply. The simple conclusion is that GM decided to make the temp. gauge go to zero because of an...
Mar 17, 2025
L8T BURB
replied to the thread
Engine Temperature Keeps Getting Lost and Fans Run at Full Speed - SOLVED
.
The fact that you have replaced the coolant temp sensor 3 times should tell you that you're on the wrong track. No worries though, most...
Mar 14, 2025
L8T BURB
reacted to
Marky Dissod's post
in the thread
L86 to L8T in '19 Yukon XL Denali
with
Like
.
Fixed it for you. 1. If you change your oil every x,x00 miles, and you get 0.5Qt of oil consumption (or more, duhr), change your oil...
Mar 6, 2025
L8T BURB
replied to the thread
L86 to L8T in '19 Yukon XL Denali
.
Be mindful of oil consumption issues. Before and after my L8T swap, I followed a few GM HD forums where owners would discuss oil...
Mar 5, 2025
L8T BURB
reacted to
chevman88's post
in the thread
L86 to L8T in '19 Yukon XL Denali
with
Love
.
Still running 91, I figure after the dyno I'll decide whether or not to drop back to regular, which for me is 85 :puke:. Had to bump...
Mar 5, 2025
L8T BURB
replied to the thread
Thermostat replacement
.
In addition to the above recommendations, be sure to scan for any stored codes. The failure you're experiencing prompts a stored code...
Mar 3, 2025
L8T BURB
reacted to
persistent's post
in the thread
l86 dod delete: stalling and inconsistent idle after startup
with
Like
.
talked to a friend of mine that has a lot of track cars, and he suggested i check the camshaft position sensor and cabling after i...
Feb 27, 2025
L8T BURB
replied to the thread
L86 to L8T in '19 Yukon XL Denali
.
@chevman88 What grade of fuel are you running in the L8T? It is designed to run 87, and that is what I ran in mine, but I am curious...
Feb 27, 2025
L8T BURB
reacted to
Marky Dissod's post
in the thread
L86 to L8T in '19 Yukon XL Denali
with
Love
.
Getting a 10L90 behind an L8T, even with 3.08, would've been eye opening, mouth watering, and at times sphincter puckering - but always...
Feb 27, 2025
L8T BURB
replied to the thread
L86 to L8T in '19 Yukon XL Denali
.
I kept the stock gearing in place. Getting a 10 speed behind that engine would have been amazing too. I am curious to hear more about...
Feb 27, 2025
L8T BURB
replied to the thread
L86 to L8T in '19 Yukon XL Denali
.
On my L8T swap, my Suburban was a PIG around town as far as MPGs go. The torque down low in city driving was insane though! The MPGs did...
Feb 27, 2025
L8T BURB
reacted to
Krbobby's post
in the thread
Engine Temperature Keeps Getting Lost and Fans Run at Full Speed - SOLVED
with
Like
.
Once I replaced the thermostat a few weeks ago, we’ve had zero issues since and the heat works much better.
Feb 25, 2025
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