Glad to see the 6.5 getting some love, the db2 6.5s are the best
2026-08-19 17:20:37
79
Amen prentice :
hell yeah
2026-09-01 08:38:02
0
Lucas Francis :
Completely geeking out because I’m a military mechanic and work on these engines on the regular. For the alternator, the only 14v output is on the front stud of the voltage regulator. It outputs 24v to the big wire on the body of the alternator. It does however, need 24v power to activate the voltage regulator. Should be the yellow pin on the voltage regulator facing the valve cover. The only reason they have a 12-14v output is because the 4L80E in the humvee is still a 12v circuit. Everything else on the humvee is 24v. So I don’t know how reliable of an output that would be to run the rest of the suburbans circuits.
2026-08-19 16:13:11
95
Bstrein⚡️ :
Beat the snot out of my 6.5 for years, still fires up like nothing happened. They’re an absolute unit
2026-08-19 16:40:40
9
scootertrash :
I been running used oil in my 7.3 for years and it loves it
2026-08-20 13:43:09
1
prehistoric_6.5 :
My 6.5 makes near 400
2026-08-19 20:51:28
17
derekpederson3 :
Can you turn it up tho?
2026-08-19 15:34:37
3
l84an3l :
see what you need is tbe king of all diesels
THE 5.7 GM DIESEL
2026-08-19 16:23:39
22
clean_6g72 :
I love the sound of a Detroit with a 4 inch straight pipe
2026-08-22 14:30:27
2
𝑹𝑬𝑲𝑳𝑰𝑺 :
It’s good cause it don’t make enough power to break
2026-08-21 07:05:30
1
Zachdial1 :
Been wanting to do this to my 88 k2500 can’t wait to watch this and gain info
2026-08-19 19:18:51
6
Noah :
I believe if it’s not a db2 pump, putting straight oil in it the optical sensor will hate you. The ds4 is very particular with its fuel
2026-08-19 16:04:53
6
𝒥𝒶𝓈𝑜𝓃 :
my Ole Detroit build
2026-08-19 17:43:36
5
BigDawg6.5 :
Throw a super 54 or hx35 on it
2026-08-20 16:09:07
6
Shaggy :
If you adjust the fuel screw in the pump on those 6.5s they get down
2026-08-19 16:28:05
7
noah hanks :
Hehe
2026-08-20 11:25:02
1
250waylon :
This suburban is a heavy hauler😭
2026-08-19 16:38:24
6
dashwood607 :
what year of suburban is it?
2026-08-19 15:37:01
1
Ryan :
I want my LLY to tow better for my business. What’s some basic upgrades for it? She’s bone stock.
2026-08-19 21:15:32
3
Bush man Dan :
Welp the used motor oil does run but not for long before the injectors get carbon up and the pre chambers get full of it too and tops if pistons plus the injection pump gets all gunked up too it’s poop
2026-08-19 19:33:16
3
josephshustock :
uhhhhhhh when u was younger my dad used he's 1998 suburban to haul a 40' camper. thing was a beast
2026-08-19 16:17:56
4
Marron repairing :
the 4l80 u got with that h1 is actually kinds neat . only 4l80 to have stright cut gears . that things gonna have some gear noise in a suburban but shouldn't break lol
2026-08-19 15:59:26
2
Isaac :
My dad has a 6.5 Detroit suburban and I love it
2026-08-20 05:20:45
1
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