- 454 Swap
- 1992 454 questions
- Melonized Distributor gear
- 1993 K3500 454 performace issues
- 97 7.4 vortec maf Question (performance)
- adjustable rocer conversion on the gen 6
- Performance 454 ignition timing
- Engine vibration at idle pulsing while driving.
- Current source for the Mercruiser 12551622 cam?
- Cam choice for otherwise stock 1996 454?
- zz427 vs zz454 vs zz502
- Aftermarket intake manifolds?
- newbie 454 build
- L19/L29 Gen 6 TBI swap advice
- New top end
- Single or dual exhaust
- 96 silverado 411 PCM swap & efi live
- 8.1 swap questions
- 454 Vortec Flywheel and clutch questions
- 1998 k2500 L29 --> Edelbrock Power Package Top End Kit?
- Engine/Trans mounts
- Need injectors and fuel rail for 98 454
- please need 411 tune
- Long tube headers
- have 411 swap questions
- 97 2500 454 thermostat
- how much power will this make?
- Can anyone tell me the specs for a 1975 454 RV engine????
- 454 intake questions... help....
- building and installing my454 tbi
- Stranded in 96 Suburban PLZ HELP
- Anyone ever put an auto in place of the nv4500?
- 97 454 vortec AIR PUMP delete, few other questions also
- 454 vortec, blower or performance rebuild?
- Stock big block 4bbl tbi setup?? 454? 502? Help info needed
- Add spacer, roller rockers, headers?
- 0411 swap???
- L29 intake vs marine applications
- Picture working the big block
- 8.1 Vortec
- half ton big block?
- 2000- 7.4 questions
- smog air injection
- 454 4bbl Intake ?
- 94 2dr Yukon 5.7 tbi to 7.4 carb swap.
- Detonation
- question about 502 for the gurus out here
- big block pics
- Need Cam help
- mercruiser cam - vacuum #s
- just bought hp tuner
- Cowl Hood
- Closed Chamber Heads
- 98 454 Chirp and rattle
- What do you guys think of this TBI Camshaft?
- 99 7.4 vortec throttle body 78mm
- will an Olds 455 bolt to a 4L80E?
- Injectors
- guys that tow with truk overdrive or not
- 7.4 rough idle
- new trans pan for extra cooling
- 0411 swap
- need tune up
- 454 vortec injector
- Which air intake/filter system for a 94 454?
- My 88 K5 with 454 vortec and 4l80e
- Looking for Plug wires that work with headers...
- I LOVE my 8.1L- but what should I look out for?
- Connecting MSD to GM HEI Distributor 4 Pin Module
- Super hard starts after new fuel pump
- getting truck tuned what do I want
- Vortec 454 Heads and Cam
- Whats the first step to a little more performance? (Vortec 7400)
- Anyone tried the E3 sparkplugs in your BBC, specifically the Vortec?
- Bigger fuel tank....
- post your codes here
- MSD Blaster coil
- Will all these parts work together?
- MSD distributor on sale at Summit
- Ideas for intake manifold and larger fuel injector for engine build
- Pro Charger what are your thoughts?????
- rpm vs mpg
- 7.4L Vortec Heads. Rebuild or replace
- Mercury EFI on ebay
- Aluminum Heads
- Exhaust for Towing
- Flat tops with 781 heads help!!!
- 2 bolt main 454 bored to 496 how much hp can the 2 bolt mains hold?
- new to 454
- contemplating 454 swap...
- Ventilated Donaldson air box....... kinda
- k1500 suburban to k2500 sububran 454/4L80 compatiblity
- Engine mods. for max MPG on 7.4 OBS
- Headers
- Allison 1000 trans swap
- 990 head swap?
- 7.4 cold air intake
- Flywheel and Clutch
- 454 into a 350 truck
- 7.4 timing
- 8.1 with a 6 speed richmond
- intake manifold
- 12.6 mpg today
- My 96 BB K2500 Burbie build thread
- 91 454 exaust .help
- Intermittent P0171
- Procharged 6.0 v. Whippled 454
- Vortec Distributor cap/rotor
- big block help
- 2500HD 7.4 Over View Needed
- Any Interest In upper intake spacers?
- Vortec 7.4 or 8.1??
- L29 for sale, comes with !@#!@#!@ t-case.
- Mercury Marine 525
- Going to check mpg after a long time and new tires
- fuel injectors
- 0411 pcm swap guide
- timing chain/degree
- Vortec 454 cams
- 7.4L Longevity
- Mild performance modifications for TBI 7.4 in 3500HD
- Converting non-adjustable stock valvetrain to adjustable
- Vortec 7.4 fuel injector and fuel pressure replacement / upgrade - with pics
- New Sub forum for Big Block Engines.