- Upgrades for the 5300 V8... I can't find anything.
- Gen IV 5.3 LH6 Info...
- Hypertech programmer for 5.3 V8?
- 5.3L Mod questions
- 5.3L Westers tune ?
- 05 Trail ext V8 5.3l upgrades
- Got my 5.3L V8 Vector Tuned
- Need to Mod my 5.3
- Installing a Secondary Electric Pusher Fan
- 5.3 V8 DOD Tune
- Screeching noise - pulley?
- 2006 5.3 owners...
- What else can I do to help my performance?
- Miles Per Tank....what does your DIC say?
- Has anyone gotten their DOD trailblazer tuned yet? how is it?
- are there any ways to manually activate the DOD ?
- Anyone installed E-fans yet?
- Coil Installation Tricks?
- 5.3 DashHawk owners ...
- UD Pulley...What is it, what does it do?
- Thermostat Replacement Question
- Best ECM Tuner for '03 5.3L V8?
- Starter replacement at 38K?
- SS engine covers on 5.3 engines
- 5.3 L engine cover part number
- Has anyone changed their alternator yet?
- water pump pulley
- Coolant change time questions
- Fan clutch install help?
- Edge Products Evolution (No Worky)
- New 07 5.3 Trailblazer
- Stock alternator size (amps)
- fan clutch GM part number
- Forgive me, but... What is a PCM ??
- New to the board (and GM vehicles!)
- engine swap
- Engine Temp?
- 180 - 160 Thermostat?
- Changed the plugs... +4 Iridiums In...
- New To Tuning
- Jet Performance PCM for 5.3L - Anyone Try It?
- Governor
- Underdrive pulleys
- Ignition Wires?
- Spark plugs
- Where can I find a cooler thermostat?
- cam phaser replacement
- Newest clutch fan part #?
- PCMFORLESS Tune on 5.3 V8 Performance
- Cam Phaser Actuater
- Buying Spark Plugs
- TIming Chain
- injector ohms
- alternator/battery replacement?
- Injector Cleaner
- how to on thermostat replacement
- Asked for Irridium spark plugs and got Platinum
- 2003 coolant Temp Sensor
- E-fan
- HP Tuners VCM Suite 2.2.0 is Now Available!
- thermostat
- 2002 TB thermostat
- debating getting my 5.3L tuned
- just changed all my spark plugs yesterday and....
- disable DOD?
- Installing a Engine Block Heater
- '04 I6 cyl. compared to '05
- Thermostat?
- Removing PCM
- How many HP increase do you see on tune?
- Tuned by Trailblazer at Corvettes of Westchester last night. WOW!
- Upgrade
- hand held tuners that disable DOD
- handhelds?
- HyperPAC 83008 or?
- Superchips NEW Cortex Programmer - Gravana Tuning
- Hello Guys
- Performance upgrades
- engine programmer
- Hello All, New to site
- Pcmforless Who Needs Them?
- 2003 Envoy 5.3 160 Thermostat Question
- A/F ratios on canned tunes
- Horse power gain
- 5.3 trailblazer vs 5.3 silverado
- are performance chips worth it??
- Another tuner tread :-)
- 79K Miles Issues
- tuner?
- Fan is not blowing
- Adding E-fans
- Ethanol/E85 blends
- my dyno result
- Let's talk gas mileage
- what is this word mean ??
- installed new pcm
- oil pressure dropped
- 2nd dyno result
- here,s the pics of new mod
- Need Harness Help!!!
- Posting Treads
- engine code
- 5.3 Prime RPM for Mileage??
- Tuner for 4.2L?
- New To Tuning HELP
- tuning question
- How much HP does your 5.3L put out?
- Stroker kits, Rods, Pistons etc
- [SOLVED] rocker arm
- Tune for tire size change
- Under-drive pulley - Do it yourself??
- Will LS2 bolt in?
- What is tuning from a newbies stand point
- Pcm Question
- Does anyone have pictures and instructions of the efan mod?
- programmer
- southern cali tune?
- Clunk when heat is on
- I put in the PCM and E-fan kit problems and amazement..
- SAAB 9-7x: The Bastard Stepchild needs help!
- Mileage increase with K&N
- Loud squeeky noise on a very cold day
- New member here: need engine mod input
- Oil pressure drop!
- Whistle sound from Oil Dipstick
- Efan Relay Kit
- copper spark plugs
- Trying to sort out Engine Codes
- Does Dealer service erase a tune?
- 5.3L owner must have the spec sheet
- Fan clutch
- Fan clutch and water pump both failing?
- Thanks to PCMforless
- Stalling
- Water pump need to be replaced
- 06 4.2 Cylinder Head Bad
- New AC delco Iridium Spark plug gap?
- Do the 5.3's have intergrated tcms/pcm's?
- Help changing a few spark plugs
- help!!
- Police package 5.3 V8
- Chipped or not?
- Tapping in 03 I6
- Does mine have DoD?
- suspected fan clutch noise.
- in the market for a PCM tune
- XUV - TO DOD or Not, That is the question
- alittle help with spark plugs
- jet performance chip
- So great EV-Fan article from GM Tech.
- running hotter spark plugs
- Alternator fluctuates at start!
- who has Electric fans / Tune Anyone??
- how to read VIN number
- Blower fan Question
- Question about PCM tune and Elec fan
- 08 Towing Mileage
- Exact match for pcm needed for mods?
- Difference between afm and non afm 5.3 motors for i6 to v8 swap?
- Which models/year trailvoys came with v8s?
- [SOLVED] camshaft?
- New engine in the Ext...
- Spark Plugs: AC Delco vs. Bosch
- Changing Spark Plugs on 5.3 L engine
- oil catch can a neccesity?
- I want DOD turned off
- Look At My Pics..Whats Missing?
- tbss supercharger
- PCMforLess LS1 eFans in a 9-7X 5.3i
- [SOLVED] map sensor help???
- seafoamed
- Intake Manifold?
- Official Thread: CAN 5.3L SWB Scangauge Codes...
- Ported throttle body
- Looking for PCM tune opinions
- Efans are finally installed!!
- DOD Oil Pan?
- New engine...old one done for.
- '06 Rainier Questions
- 2006 5.3L LH6 Cam Swap
- Engine hesitating, K&N voids warranty!
- MPG
- Oil Leak?
- [SOLVED] MAF wiring Q
- DOD broke?
- petit probleme du quebec sur mon tb ext 5.3
- Escalade powertrain
- Is a cover missing from the engine compartment?
- Speedo Calibration HPtuners
- " LSA into a Enyoy Denali..........."
- PCM mod- real towing improvement or not?
- Active Fuel Management / DoD Indicator
- Factory Dyno Specs
- operating temp
- Overheating 5.3L
- Got DoD dialed in!
- Ultimate Performance Chip???
- Question on Envoy 5.3 Alt & Serp Belts?