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Sharing my swap details.

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  • Sharing my swap details.

    Completed a 350 to Gen III engine swap in a 1994 K5 Blazer about a year ago now. Truck has the stock manual NV3500 transmission, a bit of a rarity. As an introduction, here's my swap parts listing of non-stock used in case it's helpful for others. Cheers.
    o 2005 GMC Sierra 1500 (donor truck parts, common to many similar trucks).
    o Complete engine (L33 or VIN “B”) and sensors.
    o Flywheel, clutch (slave cylinder and lines are 1994).
    o Starter and solenoid.
    o All front end accessories and belt drive.
    o Power steering hydraulic lines are 1994.
    o A/C compressor, clutch, and lines are 1994 with ICT Billet bracket.
    o Alternator has a swapped voltage regulator.
    o Belt 111.5 inch 1115K6.
    o Radiator upper & lower hoses.
    o Heater hoses.
    o Y-pipe and cats.
    o Others
    o Holley Terminator X LS ECU 550-904, including WBO2 sensor.
    o Throttle body – older 5.3 cable.
    o Alternator voltage regulator 4.2l 2006 Trailblazer 8497-D3579.
    o Radiator electric fans –GM 6.0l truck, think 2005ish.
    o Fan relays and fuse – Racetronix parts.
    o Air box – 6.0l truck with 4” tubing.
    o Camshaft Comp Cams 54-412-11 212°/218°, 0.522"/0.529", 114° LSA.
    o LS6 valve springs GM #12499224.
    o Exhaust manifolds JBA cat4ward 1850S-2JS.
    o 3/8” flexible fuel line from “Corvette” filter/regulator WIX 33737.
    o Thrush 3” muffler and tubing.
    o Intake air temperature IAT sensor ACDelco 213-4663.
    o Clutch throw out bearing PT614037 or National 614037.
    o ICT Billet adapters for 1994 coolant temp and oil pressure sensors.
    o ICT Billet engine mount adapters​.

  • #2
    Looks like a well thought out build. If you need ay assistance with the tuning, please email me: projectgattago at gmail dot com. Andrew
    Instagram: @projectgattago
    Offering remote Holley EFI tuning.
    I deliver what EFI promises.
    Please get in touch if I can be of service.


    • #3
      Yeah, that's a good detailed build list. It'll be helpful for some people.
      May God's grace bless you in the Lord Jesus Christ.
      '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle forged steel crankshaft & H-beam rods, Wiseco forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, TFS R-Series FTI Comp Ported intake, BBK 80mm throttle body, Holley Dominator MPFI & DIS, Holley 36-1 crank trigger, MSD 1x cam sync, PA PMGR starter, PA 200A 3G alternator, Optima 34/78 Red battery, 100HP progressive dry direct-port NOS, R134a A/C, Spal Dual 12" HP 3168 CFM fans, Frostbite 3-core aluminum radiator, Pypes SS dual 2.5" exhaust, SS off-road X-pipe, SS shorty headers, Earl's -6AN fuel system plumbing, Walbro 255 LPH in-tank pump & Pro-M -6AN hanger, S&W subframe connectors, BMR upper & lower torque box reinforcements, LenTech Strip Terminator wide-ratio Ford AOD, 10" 3000 RPM C6 billet converter, B&M Hammer shifter, Stifflers transmission crossmember & driveshaft safety loop, FPP aluminum driveshaft, FPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 M/T Street Comp tires.