- best way for valve cover breathers to catch can?
- Weld in o2 sensor bung
- exhaust 4.8 vs 6.0
- Lifter Install Help
- The Unfixable Knock Sensors
- LS timing chain?
- 14' 6.2 TVS2300 and Headers question
- 350 tbi build need help
- 07 Denali AFM??
- Exhaust Headers
- Get some help with my first build!
- Welcome need tips & tricks
- Daily driver turbo
- What do you guy's use as for spark plug ?
- 6.2l with tvs1900
- Exhaust ceramic coatings
- Torquer v4 on 5.3?
- Yukon or a eaton trutrac posi
- Fast burn Head spring seats for beehives
- Gathering Parts. What injectors?
- Injector Question TBSS Intake Swap
- Exhaust hangers with solid motor mounts
- Under the knife
- Cam change time, opinions wanted
- Cog pullies for 5.3, for whine sound only
- Gen III to Gen IV Throttle Body conversion
- Gen V L83 forged pistons
- Needing good motor advice
- Need some advice about turbo lq4 setup, stall and tuning.
- detonation info
- Opinions on my exhaust swap
- Valley plate
- 2001 GMC C3 78mm dbw to NNBS 87mm help
- Looking for options and advice
- Anyone have issues with parts store (Murray) water pumps?
- CL find
- Safe or unsafe?
- ls6 cam
- 243 heads on lq4 in a 2500 4x4?
- L31 5.7 with boost
- Help me get Cold Air Inductions (CAI) to produce an intake for NBS pickups
- 4150 TB setup, how to feed it and how to tune it?
- LS3 Shortblock
- 5.3 to Forged 347ci
- Beating dead horse. 799 vs l92 heads
- Buying a cam and need some advice
- Which cam for my 4.8?
- NBS Truck with NNBS intake. Which intake tube fits w/stock fan?
- 5.3 LM7 cam question
- 04 5.3 Sierra power build
- Speed engineering y pipe vs true dual
- Vvt cam question... Sort of!!!
- Is there something wrong with my truck? (0-60 times)
- Gen 4 LMG 5.3 Stock Pump or Melling 10335
- 95 Chevy diesel.
- reman engine, flexplate?
- 2.5" or 3" on stock 6.0 with tune & headers
- MSD Atomic Airforce
- How Much Power Are You Pushing On NNBS FlexFuel Injectors
- Toning down 2500hd exhaust
- Rod and main bearings?
- Need HELP. Reduced Power Light On 06 Trailblazer
- Texas Speed longtube install
- P050d
- Muffler roar
- looking to upgrade a little
- Looking for advise on what to do to my 1/2 used to pull?
- Good exhaust to get rid of drone?
- Anyone with a NNBS/TBSS swap. Quick Question.
- Need opinion on choosing exhaust brake
- NNBS intake with LS2 injectors. Which truck did it come from?
- Can't make a decision on which engine to use
- 03 lm7 radiator cap psi
- NBS 4WD LT Headers
- Question on ARP Rod and Main Bolts/Studs
- Total Timing at WOT. Where to start tuning?
- Rod bearing opinion
- Nnbs 6.2, Opinion on CNC'd ported heads during cam swap
- Dual exhaust questions
- Which Airaid Intake AFTER E-Fan Upgrade?
- Need traction!
- Y pipe ORY
- Anyone used a acdelco tbss intake??
- Header install -
- Powerdyne cool charger?
- 3" turbo system
- cam only lq4?
- 07 chevy silverado running sluggish
- fuel injectors and fuel
- Gen III to Gen V swap- what's needed?
- 4.8 5 Speed Rpms hanging Between Shifts
- 2007 suburban 6.0 swap
- Colorado 3.5 to 5.3 swap
- Xlink/TB/Pedal Issue? P1516/P2135
- I/E valve upgrade on 243's
- Speed Engineering Y-pipe with cats added
- Texas speed turbo cam?
- Manifold flexing
- 4.8L Daily/tow rig naturally aspirated upgrades...cam?
- Maf problem
- fuel injector help
- Cam Position Sensor After Cam Swap
- MagnaFlow Catalytic Converters?
- What headers for my 6.0
- LQ9 Block - What would you do?
- 5.3 longblock reasonable
- 243 head on 5.3 question (sorry)
- Is this 6.2 swap worth it???
- Y pipe for 07 avalanche
- Dallas TX performance truck shops?
- Which Meth/Water Kit
- Anyone make a 3 inch y pipe for new 6.2s?
- How about buying spare parts through online
- horrible fuel mileage no low end torque
- 99 5.3 head swap
- TwiZtedZ71's Engine Build Questions/Suggestions...
- Is it possible to use NNBS 5.3 in a NBS?
- What vacuum line is this?
- VVT cam guys please come...
- Holley ls valve covers on truck pcv valve
- Oil leak
- Rear Main Seal - fact vs fiction
- 102 Throttle Body for L83 motor
- Mild cam or headers and full exhaust cold air intake
- L92 Valve spring recommendation?
- 2005 Silverado 1500 z71 5.3 to 6.0 swap
- 4 options, help me pick
- 1 3/4" vs 1 7/8" Long tube
- 2" stepped to 2 1/8" header
- Anyone ever quiet valvetrain by swapping to a spring with more/less seat pressure?
- 2013 4.8-6.2 Swap
- 5.3 aftermarket goodies
- Cam degree
- Getting ready to take the plunge.
- Need cam answers
- 05 gmc 5.3 cam an headers
- 5.3 to 6.2 engine swap
- Vic Jr
- Intake and throttle body
- Kooks Merge Pipe flange
- Black Widow Mufflers
- Cam and headers is swaying me to do heads as well
- mbrp exhaust
- Aftermarket Radiators
- How many miles is too many?
- Pushrod length ok?
- Milled heads
- Future Mods List
- Cam Bearings too narrow
- spec me a cam and stall range
- 373 Rear End
- Electric Exhaust Cutouts
- Cam Decisions
- Hydraboost conversion..on a NNBS
- 1 7/8 LT's American Racing Headers VS Kooks
- Side exit exhaust question
- y pipe vs x pipe
- Built 355 not what I expected
- Airaid m.i.t intake tube
- New Member Classified Post
- Oil pressure drop
- Muffler choice
- Muffler choice
- 5.3 Yukon DOD delete and ls2 cam
- Engine swap question
- Fast lsxrt question
- Thrust Bearing Failure
- Bad Ticking in 5.3
- Roller Lifter Wheel Diameter
- 1 & 7/8ths Headers
- 2014 6.0L L96 6L90E transplant issues
- curious about piston ring sealant
- 6.2 exhaust
- Coolant in oil question
- On3 turbo kit question 2000 silverado
- Supercharged 6.2 1/4 mile times
- My new project
- switching from tbi to fuel injection on a 454..
- cats
- Coming Feb. 1st: Flowmaster Outlaw Extreme Cat-back for 2009-2013 Chevrolet/GMC 1500
- Worried about oil consumption
- Tstat cover bolt size
- Anyone have stock manifold and a XR1?
- Valves closed..............
- CEL and Long tubes and Y pipes.
- Oil pressure at oil filter. Messy oil changes!
- NicD
- Thoughts on nobs build
- Transmission decisions
- 4.3 to 6.0 SWAP ;) (need some help)
- 5.3 gmc Sierra 2015 first mods ?
- Dented Headers
- 271,000 miles service
- Muffler research
- 2007 1500 6.0 cam
- Switching 5.3 with 2013 5.3
- Best combo of Heads and Cam
- Curious about towing with a supercharger.
- I need a little advice guys!!
- Boost with ls6 valvtrain/cam
- Airaid MIT for a 2009 2500 6.0?
- Compression, boost and timing
- Any solid roller guys?
- Throttle body help!!!
- generation
- What crank for a LQ4
- 5.3 swap info needed
- DOD Delete / Valley Cover
- Cat ELC coolant
- Cam Comparison: Polluter V1 vs Polluter V2
- 5.3 turbo kit options
- 5.3 Power steering pump question
- New to the turbo worl.Few questions??
- 99 NBS 2500 ehaust
- 2010 2500HD 6.0L cam swap
- Opinion which cam?
- K&N intake tube on NBS
- 5.7 to 5.3/6.0 conversion
- e85 lq4
- Help chooseCam for stock LQ9 150 shot
- 5.3L with LSA blower ... Header question ?
- 04 silverado transmission hot message
- Opinions? - Aftermarket Intakes
- Knock Sensor Codes
- Strange grinding/vibrating sound from engine..
- Go fast
- 6.0
- Tax time is fast aproaching...
- Plug/Gap choice
- How to Select the Right Flowmaster Muffler - Muffler Series Differences Explained
- ON3 Guys, I have questions.
- Opinions on Holley mid ram for lq4?
- Input wanted on 5.3 build
- long story about a stumble, surge and rough idle
- LSA supercharger projet on my 02 RCSB 5.3L, need info/advice
- cam swap help
- Cam Gurus talk to me
- Building My First LSX Engine... Opinions Welcome
- camming 4.8 vortec need some assistance
- Help needed asap p0300 p0352 p0354 p0356 p0358 :(
- 402CI build
- 5.3 to 6.0
- Header Wrap in states that use salt???
- 5.3 stock piston weight
- In a delimma with a friend at work...
- Which muffler?
- TSP 220/220 cam and springs
- Flowmaster Force II Cat-back Exhaust System for the 2014-2016 GM 1500 4.3L and 5.3L
- Cam recommendations
- Dual no muffler vs performance mufflers