Machinehead Powersports
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12/08/2025
462 Pontiac update.
Fully wrapped up! Made everything fit and tweaked just about everything. Opened the oil pan holes up, tweaked the valley pan into place and aligned. Carved the bottom of the intake runners to clear the valley pan. The list goes on!
11/17/2025
462 Pontiac update.
Got the lifters reassembled and installed. Heads are bolted down, Manton pushrods and Harland Sharp rockers installed and pre-loaded to 0.070" lifter depression. Final compression ratio came to 10.38:1. 0.027 thick Cometic, piston at 0.009"-0.011" in the hole.
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Website
Address
4950 Bell Springs Road
Dripping Springs, TX
78620
Opening Hours
| Monday | 8am - 5pm |
| Tuesday | 8am - 5pm |
| Wednesday | 8am - 5pm |
| Thursday | 8am - 5pm |
| Friday | 8am - 5pm |
| Saturday | 9am - 5pm |
| Sunday | 9am - 5pm |
