CJ Rombold Engine Builders
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Automotive machine shop We Do Work on All Engines, Junior Dragsters to Alcohol Funny Cars, Pure Stock to Sprint Cars.
Machine Shop Services Done By Our Performance Specialists
Cleaning, Glass Beading, Pressure Testing, Align Boring, Align Honing, Block Decking, Block Boring, Block Honing, Plate Honing, Block Prep, Resurfacing, Balancing, Engine Assembly, Angle Milling, Cylinder Head Repair, Competition Valve Job, Cylinder Head Porting, Connecting Rod Reconditioning, Competition Piston Prep, Pin Fit Pistons & Rods, Flywheel Grinding, Magnaflux Testing, Crank Repair & Grinding, Piston Coating, Engine Dyno
06/02/2026
This 427 is not a radical build with a stock rotating assembly, 30 over pistons, small Comp roller cam, and a 750 Holley. After break in made 454 HP & 540 TQ.
05/14/2026
421CI Chevrolet alcohol powered drag engine. A few of the parts for this build. RHS Heads (Racing Head Service), Erson Cam, APD (Advanced Product Design) Carburetor, Engine Vacuum system. 668 HP 593 TQ
05/08/2026
350 Olds on the Dyno Tuesday night for some break in runs. Checking the valve clearance afterwards. 390 HP / 400 TQ
04/26/2026
Another day another build!
04/17/2026
Always nice to see something we built in it's home. This S-10 is in for Dyno tuning before race season starts.
04/10/2026
Heading to the Dyno next is this 400 Pontiac. Stock bottom end with just a few extras like a Hydraulic Roller Cam, Edelbrock RPM Performer Intake, MSD Ignition, Brawler 750 Carburetor. This will be installed in a 1970 GTO.
04/04/2026
Today we are taking a 454 CI BB Chevy and stroking it to a 496 CI. This engine will have AFR Heads and will be installed into a 1970 Impala.
03/17/2026
Last Tuesday night engine build. 427 CI Chevrolet. Dart Block, S**t Rotating Assembly, AFR 210 CC Heads, Edelbrock Intake, and a Cold Fusion Nitrous System.
02/19/2026
Today we have a 1973 Ford 390 FE. This engine came in all original and had never been rebuilt. The horsepower wars were pretty much over. This year the 390 made about 201 HP with a two barrel carburetor. With a small hydraulic cam, 750 Brawler carburetor, and a PerTronix distributor we made 318 HP & 409 TQ
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Address
6783 Big Beaver Boulevard
Beaver Falls, PA
15010
Opening Hours
| Monday | 8:30am - 5pm |
| Tuesday | 8:30am - 8pm |
| Wednesday | 8:30am - 5pm |
| Thursday | 8:30am - 5pm |
| Friday | 8:30am - 4pm |