- How high can I rev a 94' Sierra TBI 350 in neutral?
- joe gibbs truck
- Some questions about nitrous.
- Anyone tune their 8.1?
- LongTubes or Gears?
- where is the MAP sensor located on a 5.3?
- Poweraid ThrottleBody Spacer
- Need help building a 5.7L vortec
- Do you only see MPG increases with efans in stop and go driving?
- Anyone using a Hotrocker setup?
- Those with 35s and programmer,....
- Titan!!
- MSD Dashhawk
- Tb Bypass
- Cam
- mail order or dyno tune?
- 350 Vortec bolt ons
- My 2002 ECSB Z71 project
- PCV valve
- Reducing weight
- dodge hemi
- Where's Charlie Wheatley
- 88 chevy stock gear size ??
- Best cold air intake for 6.0
- JET PCM tuner
- 4L70E Swap
- Turn signal air intake OBS
- Does lack of performance fit in this subforum?
- brake controllers
- its time for a make over
- ATTENTION Al LT-1 swappers!
- procomp heads
- Cold air intake
- TB Spacer for my 01 rado
- K5 blazer major motor upgrades
- ordering a tune, need a lil help
- whats your IAT or MAT air temp
- '99-up Performance Sources
- Cam for 4.8
- Difference in 03 and 04 5.3l?
- hypertech
- swap to roller cam
- cam without tune?
- Hypertech Max Energy
- OBS torque management
- What are your Predetor settings
- Predator question
- Ethos Fuel additive
- Pulleys Q&A
- Magnaflow Muffler on 2500hd
- needing suggestions
- What cam for a 350 with NO other changes
- This would be cool behind my 383...
- Custom Tuning Chips
- 99 chevy runnin 9.80?
- OBS with 383 1/4 mile times?
- Volant?
- Volant
- did i pick the wrong cam
- 8.1 L HD... Please Help
- Vortec Firepower Ingnition Kit?
- Exhaust setup coming soon
- performance with 33s or 35s?
- Rear end ratio's
- Painting heads...bad idea?
- has anybody ever used a throttle body spacer
- functional cowl induction attempt #2
- what cam and lifter to go with
- Cam selection help
- NNBS handheld programmer
- Intake
- Want more power
- which controller
- more acceleration needed.......plz help!!!
- I'm thinking about getting..
- $3000 to spend
- cold air intake????
- OBS 5.7 350 rocker arms
- tunning my 496
- Denali Performance
- Edge Evolution owner questions
- cortex programmer
- 350 TBI top sped with tune?
- Follow up after Vortec Build
- What temp to set adjustable e-fan controller at?
- engine running rich
- Got a buncha prices on stuff for my truck
- OBS Programmer
- rear end?
- x mas time
- Bore and Stroke my SBC 350
- Predator for pulling codes..
- Towing Ability
- max lift on vortec heads
- the old 160 thermostat
- OOBS air pump delete
- Trouble with data logging
- Diablo Sport Handheld
- Time for a new frame, what's the best option?
- Which heads for my cam?
- is TBS worth buying???
- iat resitor chips
- Fram Boost Where To Find?
- F.A.S.T EFI /Holley 670
- What tranny do I have?
- Cam??? 04 5.3
- 89 Chevy pickup Fuel Pump
- Can anyone reccomend a good E-Fan for offroad conditions?
- 6.0 straight pipe!!!! tell me what you think!
- What exhaust would sound best on a 454?
- perfomance mods
- New to 8.1L; Need help with mods
- Engine Possibilities
- Off Road Performace
- Big Block help
- $2000 to spend
- ls2 tb conversion
- TBI spacers
- is it worth it?
- Aftermarket 5.3 heads & cams
- 305 heads on a 350
- truck weight reduction
- The Best Headders For 5.7
- Engine Swap!
- Will It Werk?
- 3500 with no power at all?!?!
- Rod bearing clearence too tight, what to do?
- $300 to spend
- roller rockers
- Performance vs. MPG
- sbc to bbc carb. obs
- AFV ? do the hd trucks have it?
- Harmonic Balancer
- performance from another angle...
- What fuse to remove in order to use programmer?
- Dual piston Caliper Upgrade question
- Anyone have some info on the 8.1?
- Anyone have a programmer
- Modifications to do BEFORE engine swap...
- To Cam Or Not To Cam?
- To Cam Or Not To Cam?
- Can you remove a hypertech tune with out the device?
- Hooker headers!?!?!?!?
- Intake truth
- Cats question
- Need some serious opinions!!!
- How is your gas mileage with a V-Nose Trailer..?
- Nbs Engin Swap Question
- Homemade Intake for a 4.8L
- Advantages of aluminum heads
- Tbi Porn...
- Getting motor Built....?'s
- Vortec heads cracked, now what?
- CAI Brand vs Ebay?
- Turbo/Supercharger
- Ford Keys
- Tranny Question
- Intake Swap
- marine intake
- Brakes
- Swapping 530 h.p. 383 into the K5... wheeling toy phase 1..
- Cop injectors and a Tune
- Y pipe with headers or True duals...
- Need 700-r4 for 89 chev 2wd
- Quick Denali Questions...
- should i
- How many 5.3 or 4.8 swaps to 6.0?
- 6.0 Litre Factory Exhaust!!!!!!!
- Electric fan installed today
- Virtual PC for Mac OSX
- cam help
- Just installed Volant CAI
- 5.3 vs. 5.7 vs. 5.4
- Bored & Stroked 4.8?
- Fuel Pressure Test Port Adapter-TB I
- HIDs on 2002 Silverado
- Walbro 255 fuel Pump-too much for TBI
- quick question
- Going to improve airfilow just have a couple questions
- 90'454ss with a 700r4 trans swap
- best programmer
- best bang for the 350 TBI?
- Dose this sound like a decent package?
- New Engine!
- 4.3 to ???
- Diablo Predator Questions
- do i scrap the tbi
- 95 C1500 10 bolt to 14 bolt swap?
- 95 Cooling system
- 4L60E-The Beast
- LS6 cam
- Who has gained MPG switching to 285s on 4.10s?
- 4.3 rebuild
- next perf. mod
- zz4 gains?
- f.a.s.t. programmer
- looking for a cold air intake
- best mods for a 98 5.7L
- Best Mods for 98 5.7
- Best Mods for 98 5.7
- MPG Increase?
- What Next?
- 07 Classic Engine Upgrade
- what do i need to take from doner vehicle ( motor swap)
- E-fan controller I'm looking at... any experience with it?
- Brake master cylinder upgrade for '96 half ton?
- Best bolt ons??
- Vortec 4.3 V6 Heads
- porting stock vortec heads
- Factory L31 350 Vortec NBS Truck
- need help picking a cam
- Does this sound normal re: efans and volts
- Towing a Toy Hauler (Travel Trailer) with my 6.0... GAS MILEAGE SUCKS! Help?
- efans done but have a problem w/ pics
- Aluminum dual e-fan shroud
- Changing Gears
- 2500HD 6.0 vs 8.1
- Best fan controller to use?
- 2007 4.3 liter classic
- Compushift Transmission Controller
- question about cams?
- obs programmer??
- budget 383
- clutch problem
- Block Clearancing DIY
- What would you build if you were at this point.
- Exhaust water...
- Do-it-yourself 4l60e mods...
- Trucks doing a OBS build
- Anyone Cam a 8.1?
- diablo tuner settings
- easiest way to get more power from a 350
- Tbi-carb'd, adapter plate?
- 383 or Big Block
- Direct Hits
- 75-100 dry shot?
- Intake for 4.3L
- What can I do???
- Exhaust build up question
- Remflex header gaskets
- Ebay Intakes?
- throttle bodie polish and bore
- taylor wires
- headers not sealing?
- Death of a rear..
- Good performance mods for an 06' 6.0?
- 305.....good and bad?
- 98 and 305 advancing cam timing?
- K&N: 77 Series or Regular plastic FIPK?
- Misfire issue!!!