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UCF Machine Shop Projects — Latest
View a slideshow of some of out latest work.
We just added a slide show of the recent Z-28 engine rebuild we did for a local customer. Enjoy the show; an overview of what we did is posted below the show viewer.
PICTURE STORY REBUILDING A 1969 Z-28 DZ302 ENGINE.
- 1. Cylinder heads are pressure tested before the job begins.
- 2. We install new valve guides and hardened valve seats.
- 3. We perform a perfect 3 angle valve job.
- 4. We port, polish and resurface the heads.
- 5. Connecting rods were checked for cracks. Small ends are re-bushed and bored-to-center along with the big ends which were reconditioned with new bolts and balanced.
- 6. The crankshaft is magnafluxed and then ground .010 on both rods and mains before being balanced.
- 7. The numbers matching block was treated to a cleaning that included Hot Tank stripping and Shot Blasting.
- 8. Engine is then MAGNAFLUXED, BORED and SQUARE DECK BEFORE BEING honed with a torque plate.
- 9. Cam bearings and freeze plugs are installed. Then it was into the assembly room where all clearances are verified.
- 10. Rings are filed, crankshaft is installed with the rods and pistons, camshaft lifter and a double roller timing chain is degreed as per cam specs.
- 11. Heads are installed with steel shim gaskets and valves adjusted to cam specs.
- 12. Oil pan, timing cover, intake manifold, etc. are then installed along with a fresh coat of paint to finish things off.