- some help
- Need specs for desk top dyno
- Need help for first mods
- No Cruise with TB Spacer
- tuner help - shift points
- just put 91 oct in last night for first tme
- Diablo Trinity
- How does this setup sound?
- 1.6rr need holes drilled?
- Custom engine valvetrain/camshaft problems ('95 Suburban)
- Jegs 87-95 top end kit
- 2500hd gas exhaust size?
- 2004 4.3L V6 5spd to a 6.0L V8 auto?
- picking a clutch for a 97 l31
- Any one eles notice a decrease in MPG's when..
- Engine Swap 4.8 - 5.3
- GM Vortech heads for '94 chevy.
- need advice on 1990 350
- what throttle body spacer?
- tq management
- Mechanical Idiot Here -- K&N + Flowmaster = Improved Milage??????????
- biggest cam on a stock 350
- 350 T.b.i
- Need some help finding compression
- carb intake for tbi
- More power out of '94 5.7
- demon carbs?
- Gas
- Cam for a 1998 5.7 350
- NBS 2003 V6 V8 Swap
- EFI Live?
- vortec 4.3 performence
- Cat help
- predator settings
- I noticed a leak in the 383 today. Time for a change.
- cheap power??
- 350 pic Finally done
- How to remove the PCM
- Timing gears tbi
- New Truck and Aftermarket Chip Situation
- Quick question about oil consumption
- boring my 350
- Oil / Filter
- vette servo???
- what intake
- Efi Mods
- what transmission and rear end do i have?
- Pic request
- What is Water/Meth Injection and How to install?
- Hypertech programmer t-stat question.
- Wat is the difference between long and short headers
- Black Bear Tune?
- Knock Sensor Module
- Best Spark Plugs and wires
- what plugs
- roller rockers
- im switching to synthetic
- Valve Train Help
- Power Programmers
- Helix TB Spacer?
- does this really work?
- Improve Performance before PCM
- i keep seeing custom tune, custom tune
- 305/70/17's no lift?
- Wow
- How do I Remove my Jet Chip?
- 350
- HHO hydrogen fuel=better gas milage and performance
- new motor. 20 mpg??
- Wheatley mentioned in Truckin
- Pulstar Spark Plugs!
- More Horsepower (96-98) For $2.79
- Crane powermax tuner or custom tune for obs
- 1.6 ratio roller rockers
- Which to purchase first? CAI or High-flow cats?
- Yes, Another Performance Threaad
- how hard is it to instal
- More Power Please
- Cai
- busted motor mount..
- Tune help!!!
- 4.8 Towing Questions!
- 98 silv ext cab 2wd 2500 MPG?
- Getting ready to order my Blackbear tune on monday
- new oil.. lower oil pressure.. wth???
- shortie headers with stock y pipe?
- 98 silv 2500 ext cab 2wd, 4:10 MPG?
- Help Msd 6al Problems
- noticed NO difference after headers
- 07 4.8 intake silencer?
- Hypertech 30019, does it actually work?
- Good or bad? Torker II intake w/TBI adapter
- Best Thing for best mpg
- 3" intake choking engine? Maf plug question
- flows
- std. 4bbl nitrous kit on tbi
- cam break in video
- Yes another cam question
- for you guys running Fel Pro 1094s
- Wait4me /crank Relearn?
- Engine differences
- Advance auto crate motors?
- 255 walbro questions.
- TB spacer question
- TBI 350 injectors
- the usual
- trouble codes 16 and 22
- mail order tune or local dyno
- Custom tune
- how can i match the valve springs i have to a rocker arm?
- Trans Swap
- What to do?
- Body lift and C.A.I.
- air provisions?
- Upset With My Custom Tuner
- Edge Evolution or Custom Tune??
- motor swap help
- cam swap questions
- Best Pair of Headers for My 98' 5.7 half-ton
- Electric Fan Set Ups
- filter wrap?
- 2500HD headers?
- new gears??
- rough idle after CAI installed?
- 5.3 swap-what all is needed?
- Fuel Gauge Issue After PCM Swap
- holley vs eldebrock
- Question about custom tunes
- replacing fuel filter on 97 silvy
- ordered headers, now to purchase a CAI.
- holley tbi high idle problems
- does it hurt the engine ?
- which programmer for a 05 2500 hd 6.0
- Hurst(or like) 5spd shifter
- OBS 5.7 Blackbear, PCMforless, W4M
- Blackbear or Wait4me???
- NNBS tuned by Wheatley!
- Towing with the HyperTech Max Energy
- Any one in IL /IN able to do a custom tune or dyno 4 a 1995 TBI?
- wait4me tune wanted.......
- please help! black smoke running very rich idle problems
- prom Emulator is it as good as the Dynamic EFI?
- good and bad news about my motor...
- cam for a 98 5.7
- 95 tbi
- 95 chevy tuners
- Engine mod question need advice
- Modify E-Brock Performer to work with TBI?
- 305 Cam
- K&N air filters=better MPG?
- 08 Silverado 5.3 Intake System
- Programers
- Need advice on mods for better mileage,,,
- 7.4 or 6.5 which is best all around
- big wheel performance loss
- Switching to stock PCM. Crank re-learn neccessary?
- Scaling back my project...need advice...
- Upgrades on 07.5 NBS 5.3L?
- Fan Clutch Maybe Broke
- 97 Vortec Distributor
- how much work is it?
- Changing Trans Fluid
- PC interphase diagnostic software + performance display
- Transmission Cooler
- VaraRam VR-6
- PCM getting VERY Hot, truck shutting off
- intake for a freind..
- Gen III swap into 84 Chevy SWB Need Help!!!
- Posi
- Anyone running a 5" Tip on gasser like a diesel?
- Granatelli Mass Airflow Sensor
- ls6 yellow springs
- help me please
- Which would be better?
- X Pipe??
- quick blazer exhaust question
- Anyone with a 383 i have a question for you.
- 160 Degree vs 187 Degree Thermostat
- how much can i sell my superchip for?
- obs tbi chip???
- Plug wires?
- EV1Injector Question....
- engine timing issue
- 4x4 launch?
- nitrous
- Anyone ever used the Powerhouse 383 stroker kit?
- Bit the Bullet
- Gas Milage
- How much power can NV3500 stand up to?
- gas milage ?
- Need cam opinion..
- Gettin my nnbs silvy off the line
- e3 spark plugs.
- $400 to spend. What to buy for 97 silvy?
- New to me 99 Silverado LT with 5.3...got some Qs
- is it normal to get
- What if? 4.8 to 5.3 HO?
- cold air intake- s&b or volant?
- Weight
- Aftermarket Inline Fuel Pumps
- valve cover breather
- In need of a strong, tough 4l60E built up for my 95/406 SB 4x4 Vortec roller TBI truc
- Trans Temp Gauge
- cut outs
- Edge or EFI Live?
- Racing Fuel Cell
- going blind
- Crate Motor to Replace '90 TBI
- Help! next MOD
- stall converter
- Edelbrock Multi Port EFI System
- has anyone tried swapping a 4 spd for a 6 spd 4l80?
- 5.3 mpg
- I was offered a rebuilt 396 for 1k
- Got My Custom Tune
- 700r4 to 4l60e swap
- Gibson Headers
- stock flow numbers for 193 tbi heads
- Multi tuning programer
- Looking for an EFI Live tune
- 305/70/17 on 2006 Z71
- Removal of Radiator Panel
- 383 Help
- Make intake air colder???
- tbi cam ..ik its been discussed alot
- How does this sound.?
- Need yalls opinion...
- Next Engine Upgrade??
- 5.3 in my OBS?
- brake size questions...
- Changing out Lifters, Pushrods, and Rockers.....
- custom tune
- Volant CAI Owners
- Calling all obs e-fan guys
- throttle body spacer
- Locked Hypertech
- Spark plug extender- better fuel economy?
- Baer brakes for FSC
- Good and Non-expensive Roller Rockers and Lifters...
- DIY Cold Air Intake
- 1983 c20 i need some help
- Nelson performace paid me to get a tune!
- misfire on cylinder one
- some transmision questions
- new tbi injectors
- t-case in 97 yukon
- Clunk sound when gasing it from a coast
- Wet or Dry?
- Edelbrock Intake and Heads cam???
- Cooling Question