- Hp?
- Are these products the same?
- coolant temp sensor
- Towing a 2 car trailer...
- tb spacer i made for my old truck
- Hypertech Locked?
- E-fans
- shift kit
- cam shaft help
- 4wd to 2wd? NBS fuel mileage.
- new style block to old style? (obs)
- air filter too small?
- 700 R4
- Replacement K&N or Cold Air Intake
- Diff swap
- AFPR installed
- Cam for my Z!!!
- Where to find obdII to USB adapter
- 1500HD vs 2500 vs 2500HD
- 2000 GMC Seirra Z71
- 99 5.3 to go 4.10 gears worth it?
- 3.42s to 4.10s
- 350 just took a BIG Number# 2 !!
- Need Help...89 GMC 3500
- 1990 GMC S-15 a vortec motor?
- vortec head differences
- To Much Fuel!!
- tbi
- RBP exhaust system on gas engine
- About to get a 6.0 1500hd....mod advice
- Spark plugs And Wires
- 95 1500 header question
- im new please help me with my truck
- new tranny
- superchargin
- best tbi custom tune
- 13.5MPG on 03 1500 5.3???
- 4L80e Transgo HD kit install HELP!
- 1pc driveshaft
- older jimmy 350
- Does anyone make custom chips
- edelbrock cam
- building a s/b 350
- CFM-Tech gauge fitting
- Shift kit/changing shift point via programmer
- 97 -99 chevy tahoe engine
- hypertech tuneing
- Fuel injection upgrade question
- smog pump delete pulley..
- more 4l60e tranny ?'s in NY sorry
- 91 1500 4x4
- AFPR mod with pictures
- anyone ever bored out their throttle body?
- Any suggestions for my problem?
- MPG Gains from these mods?
- 1997 z71 offroad
- for 2000 GMC Seirra
- posi differential??
- I'm settling.....for now
- Griding on TBI?
- 7.4L Vortec Intake Limits
- Got a ? about an old chevy 229 90/deg 3.8 V6
- Which cable to use?
- 98 vortec starts and stalls
- after tbi mods...
- 6299.xdf and noisy injectors after tbi mods
- headers?
- Jasper Engines?? Pro's/Con's
- predator
- Perma-Cool E-fans
- What are you paying for gas?
- Electric fans NBS to OBS
- what a differnce!!
- helping a friend
- Anyone doing a LS7 Silverado project?
- nv4500
- Can i use this motor for a swap
- WOW!! Low Fuel Pressure
- Weird INT/BLM numbers
- Gas Mileage Improvement
- 7/4 swap??
- Budget Build. Does this sound good to you?
- Any more upgrades to ad HP, Torque, and MPG?
- wait4me tune
- Advanced 8 on timeing
- vortec fuel pump in a tbi truck?
- Tips and Tricks for Free Horsepower!!!
- solid or hydraulic cam??
- Big TBI Cam??
- cam specs
- Cheap Catalytic converter
- will this work
- 1990's 350 hp
- Bad Shifting Tranny 4l60e?
- air silencer
- my dad's new truck
- engine Overhaul what should I get?
- Fuel pump pressure
- Looking for broadcast codes for 16197427 PCM
- Help For 87 Chevy 5.7 Tbi
- F.A.S.T computer tune
- tps test fine but its not!!!!
- Transgo and vette servo guys
- brought the heads in today
- Anyone know any good tricks to tell if your cam is worn out?
- I need a BUILT 4L60....................
- Crane Powermax power tuner
- chips programmers? worth it?
- 96 5.7 GMC knock sensor location
- New 2007 Vortec Max 6.0 performance upgrades?
- RePowering an 88 K3500
- z06 camshaft in 5.3 gmc
- is my 5.3 slow
- 96 Vortec 5.7 Swap 4L60E to 5Spd
- Pics of nitrous setups for 98 obs
- 4l60e to 4l80e swap
- Uh huh, 10.5 PSI
- Rainy Moist damp air........ how does it affect the computer..... 92 silverado
- Blown Gasket...But Is It Head Or Intake?
- Few questions concerning 4.3L/performance...
- 4L80-E Rebuild Recomendations/Tips
- No fuel pressure ??? Fuel pump out ???
- Is there no aftermarket aluminum intake manifold for the '91-'95 454 TBI?
- New to forum. HI
- harmonic damper ques????
- 5.7 breather filter
- 88-95 Pickup MPG Survey
- OBS hydroboost conversion
- Fuel Cell Help Please
- Fuel Cell Help Please
- Need HELP!!!! Chevy 4800 VS. 5300 vortec
- Hypertech Programmer
- who makes a o2 simulator for obd1???
- which programmer to use?
- Maggie + Tune= Posi for 200 feet easyyy
- black bear performance tune
- O2 reading rich- all the time
- For the engine builder in all of us...
- My nitrous 305!!!
- obd 1 chip
- L31 vortec vs LS1
- 6.0 V8 swap
- any chance its my injector? mabey disty modual
- is this cam too much for stock heads?
- Need suggestions
- cowl induction
- Throttly Body Spacers?
- Air Intake
- Best Programmer
- Not a racer, but....
- ok why would it run lean?
- Overwhelmed data logging
- chips chips chips?????
- 98 Vortec 5.7, stock intake limitations?
- programmer problems
- throttle body coolant bypass
- well, i think i need a carb...
- Manifold bolts AFU
- Roaring Rear End, need help
- Looking for 30whp
- 94 5.7 runnin rich
- 4.3vortec-5.7vortec
- Why is there a boost at 4,000 RPM?
- Dual exhaust with Flowmaster or Dynomax bullets?
- cam for 350 vortec
- ?
- ls1 swap
- reliable motor swap
- ADS Super Chip 98 chevy w/350 AT
- Replacing fuel lines, in-line gauge
- ? on vortec heads/gm perf. TBI intake install/cam
- silicone vs rubber intake hose?
- Quadrasteer question
- Co%
- Dual Exhaust
- throttle body spacer questions???????
- high pitched sound from tranny?
- Vararam vs Volant?!?
- easy way to find exhaust leaks?
- Gearing the rearend...
- help with exhaust!!!
- 4-valve per cylinder LSx heads from Arao Engineering
- Rebuild Mileage Question?
- Older non-ECM engine into NBS
- Finally getting the motor together
- 305 to 350 Post-swap issues
- Plans for my truck ( LONG)
- ????
- ?Offroad cam for 4.8?
- Which flexplate for a Vortec 454 with a 10.75" converter?
- does this sound about right...?
- one hell of a swap...
- intake idea
- Stainless Y pipe or Crossover pipe 92 silverado 4x4 auto?
- 305 or 350?
- 454 Recomendations
- Do I Need Stall Converter
- Lt1 mpg in a Pickup
- No start after 4.3 -> 5.3 swap
- Fuel Guage Wacked Out
- Should I replace my engine with the same thing?
- performance cam for 4.8
- Floblade gas saver
- Which Way do I go?? Or I ain't got a Clue!
- 700R4 to 4L80E Swap
- 1989 350 Header's Choice- What to go with?
- Would This CamWork On TBI?
- URGENT! COuld mean a blown engine!!
- Spider Gears-What size rear end?
- Tuning 7.4L Vortec 454
- Just put a carbed 97 350 into my 88 4.3 truck... Questions
- Gas Mileage
- Gas Mileage
- Pics of fixed up TBI's
- deleting EVAP system pros vs. cons
- GUTLESS Wonder
- o/2 sensor
- 4.10 gear help please!!!
- Another Vortec head swap??
- For Anyone Ditching Cats!
- predator installed, what next?
- anyone have a Wester's 91 Hot Tune?
- 01 NBS Horns !!!
- Engine Swap Chevy Blazer
- quick question about new shocks
- LQ4 w/ magic stick v.4?
- V6 headers?
- 89 TBI To 97 Vortec ?
- spark plugs
- 92 silverado 4x4 edelbrock intake manifold issues part 2 HELPPPPPPPPPPPPPP!
- How much power are you putting through your 4l60e?
- silverado ssc
- Help!!! Getting Code P1154.....what Is This?
- Miss at idle- too much timing?
- 5.3 mods to out hp toyotas?
- 5.3 mods to out hp toyotas?
- Swapping out 1 wire to 3 wire o2 sensor
- will it help
- how would this perform
- Timing help
- tuning edelbrock pro-flow
- Airaid 200-102 Lots of Problems With The MAF Coupling
- knock retard
- New intake manifold. ??
- reusable cone air filter
- water/alcohol injection
- 99 Vortec Cam Questions
- 350 NEW cam ! - Timing - HELP
- ebay or homebrew CAI? opinions please
- racing the 04z71 in the mornin....what will she run?