- E10 gas Kills Power?
- 1997 gmc sierra Tranny
- compression question
- wat do u guys think of this electric fan setup on ebay?
- Cam Questions
- duramax
- Synthetic ATF
- Power and MPG
- Anyone have a cam on there 6.0?
- Best place to buy a shortblock L31?
- First year for LS in trucks
- ecm tuning delimma
- $8.99 eBay Performance Chip
- why is my 4.8L so gutless????
- more power and mpg
- GM Performance Air Intake
- Getting around 300 horsepower out of a 305?
- Cam Specs
- K/N FIPK II and Check engine codes...??
- 700cfm TB problem
- 305 bogs down
- ever had to drill the holes on the itntake?
- a/c eliminator bracket?? help plz!
- 350 to 454 swap
- help me build a tune
- Some questions about a 1999 Silverado ...
- a bit more HP
- just installed my BlackBear tune
- 96' Vortec 350 to LQ4 Swap
- 06 SS intrument cluster
- whos got full length headers on a obs
- My Vmax ran with a Dmax
- k&n
- Cam for a 4.3L?
- 6.0 swap....How much will it hurt?
- stock oem psuhrod lenght for roller cams engines
- High Performance Mechanical Fan?
- MSD box on relatively stock 97?
- Garage sale find
- Blackbear Tuned Suburban
- A little more power for my TBI 305
- 1991 NV3500 short throw shifter?
- ID my cam.
- do i need a tune?
- out with the old, in with the new
- Fluctuating Idle And Stalling In Drive
- 95 FI 350, will KN Cold air help?
- What makes the 5.7 350 such a good engine?
- I love life ... some 5.3L quesions (cams)
- Installing an MSC 6AL ignition box......
- Exploded spider gears, and you can too
- Blackbear Performance PCM Tune by Justin Review
- boring a edel. 3704 intake
- 406 build. ??
- 350 vortec timing
- programmer
- 02' 6.0 denali tune help!
- What brakes should I get?
- holley carb model number
- What temp for EFan Controller
- running rough..
- random ?
- Budget PCM tuning
- Removed the restrictor plate from my throttle body
- Best Headers
- Ignition
- Ram Air
- Will 14101128 Vette Heads Fit
- Crank Relearn question
- Another Blackbear tune Review... and you can too!!
- New Chevy 6.0 2500 Need more power! and better shifting!
- carb swap
- Intake + throttle body spacer
- air intakes and mpg?
- Best sources for TBI mods
- RPMS of 5.7 vortec
- 98 Vortec 350 stock cam with 1.6 rockers
- MSD coils on 06 5.3
- 4.3l-5.7l
- question
- 88 TBI Question (more power)
- Stock rods and oiling system?
- comp cams FAST programmer
- Building a 383 ..
- did my pump just die...
- Vortec spring lift
- MSD wires Are they worth it????
- Which Fuel Pump
- no fuel no spark
- anyone running K and N...
- Coil
- carbed 305 cam question
- Tbi Nitrous Fuel Plumbing
- New 2006 Vortec Max
- How Much Fluid?
- speed
- Anyone make NBS Cold Air Intake
- 5.3L to OBS 89' 4x4
- Something new for the Silverado....
- 4.8 Down on power and mpg's....
- ?s about gear install, what can i do?
- any good performance sites for 4.8's?
- need help. may get rid of the chevy if i cant fix it.
- Custom Tune?
- Custom Tune
- couple of questions about my dynotune
- What does it prove?
- Still cant spin em!?!?!?!?!
- Keep my 3.93s or go with 4.10s?
- turbo
- help,newbie
- 350 stroked to 383 or 454 swap??
- truck broke need help!!!!!!
- 2002 Silverado Gas Mileage HELP 4.8L V8
- Hypertech Thermostats?
- 4.3 heads
- Uh-Oh Wrong Gas
- getting my gears changed from 3.23 to 3.73
- cold air intake??
- 2000 Tahoe true duals
- 454 parts to 350 question
- Whats Wrong With My 2500 HD
- TM Removal 100%????
- Black Bear Performance Tune review
- 383 help
- How to install superchip 2714 on 2005 tahoe
- prices for cam install
- superchip flashpaq
- 4.3L to 7.4L questions.
- Manual Trans rebuild
- Ported L98 Aluminum Heads
- Need some help on more mile per gallon
- Some ebay deals...
- Tune on a 5 speed manual?
- Need some help with break-in
- Water fuel kits...Any truth to it? Have you done it?
- Diablo 91 tune
- Jet Afpr
- Idle RPMs on VortecMax???
- Exhaust exit out in front of rear tire.
- volant power core
- DAMN i love 4wheelperformance
- 8.1 BB vs 6.0 Vmax
- exhaust dumpage
- Tow/Haul Mode?
- need carb help
- Just got an 0411
- Thanks Guys!
- Camshaft Rookie
- Smallest Engine
- "high performance" pullys??
- 454
- chip for a 04 5.3L
- nbs cooling fans on 01 denali
- 87 octane with LQ9
- Want mild performance on an '08 5.3
- tunes
- Edelbrock Performer Multi-Point EFI Systems
- edelbrock manifold
- which best gear
- converting to carb
- Knock sensor help please
- Peelin Rubber In A School Bus ?
- Vortec 383 w/ Supercharger and NOS Questions...
- 3.73 or 4.10 gears???
- 93 4.3 Performance Upgrades
- 383 stroker + blower, with tbi?
- No pipe showing legal?
- after the vortec swap???????
- custom tune questions
- Gettin ready
- 4.8 to a 6.0
- Intake Manifold and Cam
- cant get over 95 map
- intake manifold
- Blackbear tune
- 454 swap
- About 1K to spend.... what to do
- hp?
- Horsepower and Torque #'s?
- Looking for some aggression
- 1.6 Ratio Rockers
- E-fans
- if i got a lift, can i leave my leveling kit on?
- 6.5 performance upgrades
- 472 caddy into a 77 gmc 2wd truck???
- P.I.E. GM12-AUXv2 Auxiliary Interface GM
- speedo correction '05 4x4
- why is raising rpm shift points even a concern?
- NBS E-Fans
- another lowes racing CAI
- idle bouncing tps sensor
- My OBS LS1 Fan Install
- Nitrous
- Max duration on stock motor.
- Wiring FAL fans now....got a question...NBS
- gas milage
- Ecm Question
- Trans or Gears?
- timing help
- HELP!! with my computer how to get it out?
- Radiator fit?
- Ls7? Will it work?
- 383 stroker build sheet
- HELP questions about blackbear tune
- What Muffler Should I Get?
- Weekend cooling system project
- Any problems with the 4L60E and a tune?
- 21mpg?! that cant be right....
- 1995 TBI Tahoe Cam
- no overdrive.
- 2000 Chevy Z71 performance problems
- Retrofit Roller
- Can some one tell me the differnce??
- where to set red line on tach
- Banks?
- help...07 ecm question
- Fuel Mileage 97 2500 5.7
- Exhaust. Help
- Hydrogen Hybrid Conversions
- Rear End Problems Help!!
- best gears from 2wd street truck?
- Magnaflow or Flowermaster?
- Gas?
- Blackbear Where are you?
- computer tuners for 2006 Z71 5.3L
- Straight Pipes on 5.3?
- Gear Reduction.....
- How much is too much?
- Thinking of a new chip
- Cam selection
- Throttle body info
- Blackbear tune MPG update
- lt1 heads work on a 1995 tbi 305
- want to improve my MPG...just like you!
- Who tunes in Bay Area
- Ride Control Suspension?
- Scat Crankshaft Install
- Need help!
- 2 piece block in a 98?
- Running rich
- 98 tahoe o2 sensor
- Getting a blackbear tune need some suggestions!
- Engine Cooling Fans by Flex-A-Lite question
- budget 350 rebuild
- to gear,or not to gear?
- Rear End Question
- ordered new Intake Manifold.
- 02 496 Performance, and two other projects
- HP #'s before and after custom tune