Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum banner

Engine Tunes/Mods

Start Discussion
Low oil pressure / stop engine warning
2
27
43K
 by blaqyukon
4.2 to 5.3 Swap In Progress
2
24
35K
 by Driftkingg2252
Official Thread: CAN 5.3L SWB Scangauge Codes...
19
10K
 by ManuelCruz
Tuned up 5.3 Plugs Wires and Coils
6
1K
 by antraw
REV Ignition coils for 5.3 LH6
3
597
 by 06denaliman
Installed an oil catch can
2
821
 by Jewel red 5
'06 Envoy Denali LH6 (5.3) to LQ4 Swap (6.0)
1
638
 by JCP0521
My TB build draft. Opinions welcome and appreciated
2
431
 by CoPats1994
So tired of reading, which tuner for dod disable
9
1K
 by 1320
AFM all 5.3 engines
5
2K
 by Cheep
Predator 2 tuner
2
851
 by jbwi112
What can I do to improve Gas MPG on my 06 Denali.
0
637
 by Whitelx1
P0174 06 5.3??
3
819
 by 06denaliman
Rainier Cold Air Intake.
4
932
 by rtliquid
2003 trailblazer ext click won’t start
1
467
 by wstuckey1
Do the pros of AFM delete outway negatives? If any?
3
1K
 by Rain
Looking like I'm doing the AFM delete sooner than expected.
0
512
 by Rain
Engine over heating after highway speeds
2
960
 by rcf64
Engine started after connecting battery cable and no key in the steering column
2
835
 by mysickTB
Sudden loss of power for 2006 Trailblazer 5.3 AFM engine
3
1K
 by mysickTB
Cylinder Miss Fire
1
597
 by princej99
P0601 Code - Have questions
4
1K
 by iceflow
LM4 to Replace {swap} where a LH6 w/ DOD is?
3
2K
 by Supercharged111
Turned off DoD/AFM, better economy/power?
4
1K
 by Supercharged111
Engine swap
0
517
 by Bigeye
/C pressure switch hookup for wideband in HPtuners
0
399
 by Fastmax32168
PCM Tune
3
2K
 by eddinger
P0343 after cam swap
1
927
 by amrainier
4.2L V6 Swap to 5.3L V8
6
21K
 by seanb81
ECM tuning
2
976
 by AWD V8
Engine noise (audio)
4
923
 by Horsehaulin
Lh6 performance
1
3K
 by omc8
[SOLVED] 2006 DENALI Envoy SparkPlug Electrode Wear
5
1K
 by Jkb242
[SOLVED] 06 Envoy DENALI 5.3l v8 PO307
10
4K
 by Jkb242
Changing Spark Plugs on 5.3 L engine
2 3
41
44K
 by AWD V8
Engine Tunes/Mods Performance Engine Tuning/Engine Modifications
3.1K posts
1.9M views
Join Community

Forum Staff

View All
Admin

Top Contributors this Month

View All
blaqyukon
Arod7778
Driftkingg2252
Top