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Marky Dissod's latest activity
M
Marky Dissod
replied to the thread
2000 LQ4 Exhaust (solved - Walker 55556 from 2001 - blueprint verified)
.
Would it be of any help if I suggested you examine LQ9 exhaust parts? If not, please ignore.
May 8, 2026
M
Marky Dissod
replied to the thread
Monroe OESpectrum shocks - seem too short?
.
There are basic 5100 versions for unleveled/unlifted suvs & pickups, as well as 5100s (5160s?) for lifted stuff.
May 8, 2026
M
Marky Dissod
replied to the thread
Monroe OESpectrum shocks - seem too short?
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Indeed.
May 7, 2026
M
Marky Dissod
replied to the thread
Gear ratio
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I don't tune GMT800s yet, so I can't say for sure yet, but I'd not be surprised to learn that GM slowed & dampened electronic throttle...
May 5, 2026
M
Marky Dissod
replied to the thread
Gear ratio
.
So, that'd be when your foot is past 33% TPS? 50% TPS? GM definitely made things very conservative unresponsive and discouraging under...
May 5, 2026
M
Marky Dissod
replied to the thread
Gear ratio
.
Decreasing Power Enrichment delay only results in less fuel economy if the driver 'takes advantage'. However, the prime purpose of Power...
May 5, 2026
M
Marky Dissod
replied to the thread
Gear ratio
.
Don't take this personally, but I'm surprised this is still a question after over 25 years. That more GM V8 vehicles have not been tuned...
May 5, 2026
M
Marky Dissod
reacted to
99Sierra2500's post
in the thread
Baldwin Filters
with
Like
.
The First Brands Group bankruptcy is crazy stuff, they supposedly own 24 companies, though it is difficult to find names vs the usual...
May 4, 2026
M
Marky Dissod
reacted to
ORVietVet's post
in the thread
Baldwin Filters
with
Like
.
Exactly. May be selling so cheap because of the First Brands bankruptcy, too.
May 4, 2026
M
Marky Dissod
replied to the thread
Gear ratio
.
The 4.3L V6 itself was cheaper, but GM apparently thought that it'd be cheaper to make an externally identical V8 to an LT1, maybe so...
May 3, 2026
M
Marky Dissod
replied to the thread
My new truck 06 2500HD CCSB 6.0 4L80 4x4
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Can't remember when I was last in the back seat of my Tahoe, but it was not in '26 or '25, so I definitely don't remember seeing any...
May 1, 2026
M
Marky Dissod
replied to the thread
Powertrain Products
.
This seems better: https://www.powertrainproducts.net/product/2001-2007-gm-lq4/ Please correct me if I'm wrong.
May 1, 2026
M
Marky Dissod
replied to the thread
My new truck 06 2500HD CCSB 6.0 4L80 4x4
.
Wonder if there's a way I can add 15175599 to my Tahoe ...
May 1, 2026
M
Marky Dissod
reacted to
ORVietVet's post
in the thread
Keep driving your GMT800s?
with
Like
.
The 2000 K1500 LS sold and the 2003 C1500 LT was great on the outside and was well taken care of, internally and externally, but had oil...
May 1, 2026
M
Marky Dissod
reacted to
jfmorris's post
in the thread
Keep driving your GMT800s?
with
Sad
.
You may want to dig into your Wisconsin restrictions on antique/vintage tags. My GMT400 is a 1996 and at antique status in Alabama this...
May 1, 2026
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