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To go into my Cobra kit car I put together a 428SCJ (super cobra jet). "Put together" is the correct term, rather than "re-build" - it's an NOS block and a bunch of pieces. They went together for the first time in this build. I built it for street performance and only about 400HP. It is naturally aspirated in line with the car's 60's heritage.
The block is NOS (new old stock), meaning it's never been used since it was pulled from it's casting in 1972. It's not an SCJ block, but a stock 428. It was block aligned honed by "Adrian Speed & Machine" of West Chicago, IL.
The heads are from a 1967 427. They are used and were also rebuilt by Adrian's.
The Lemans connecting rods are essentially what makes this a SCJ. They are used and have been rebuilt, as has the SCJ crank that goes along with the rods.
For the first 15 or so years this had a 4 speed Toploader transmission attached to the 428. In 2019 a TKO-600 was swapped in to gain overdrive.