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MTI Racing

C5 Corvette Engine Upgrade Package Stage 3 7.0L

C5 Corvette Engine Upgrade Package Stage 3 7.0L

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C5 Corvette Engine Upgrade Package Stage 3   7.0L  (Transplant)

7.0 L  (427 cu. in.) Engine Package 

600 + HP 

This Engine Upgrade is a "Transplant" of a 7.0L Engine into a C5 Corvette

Note: This process includes the exchange of a fully functioning 5.7 L engine from your C5 Corvette. 



  • Custom Darton MID sleeved & machined LS6 block
  • MTI Racing 240cc Stage 4 ported and polished cylinder heads
  • MTI Racing custom profile camshaft
  • Callies 4340 forged crankshaft
  • A new GM Z06 oil pump
  • MTI Racing specific forged aluminum pistons
  • Forged steel connecting rods
  • Callaway "Honker" or AFE cold air induction system 
  • MTI Racing long tube stainless steel headers
  • MTI Racing 3" "Dominator" stainless steel cat-back exhaust
  • MTI Racing Stage 3 kevlar clutch assembly for six speeds
  • Custom trans programming and stall converter for automatics
  • Custom computer programming on our engine dyno 

Note: All pricing with exchange. Specs, pricing and availability are subject without notice. Call for latest information.

Machine work & assembly

  • All of our 427 Cu. In. engines are custom built in our Dawsonville engine department. One person assembly, and each engine is dynoed in our engine dyno facility, on site.
  • We start with a new LS6 block and use the Darton Sleeve Kit. They manufacture the highest quality sleeves available.
  • A block pro CNC vertical mill, fluid cooled, is used for all machine work. This allows tolerances to be held within .005 of an inch. Consistently.
  • All machining operations are referenced off the crankshaft centerline.
  • All required stress relieving is done using a formula 62 machine built by StressRelief Engineering.
  • Decking of blocks done using custom flycutter with CBN/PCD inserts.
  • Every cam is computer checked for lift, duration, timing, and centerline. Then it's degreed in the block for precise alignment
  • All rings are file finished, deburred and checked for proper arc. 
  • After engine installation, your vehicle is Dyno tuned on our chassis dyno.


Note: Other choices of headers and exhaust systems include American Racing, Kooks, Magnaflow, Stainless Works, Corsa,  Borla. 




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