JAMSI Online

JAMSI Online JAMSI is a trusted source of automotive engine parts. With over 35 years of experience in automotive Jim's Automotive Machine Shop, Inc.
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is an automotive machine shop specializing in light industrial and agricultural engine machine work. We additionally offer an assortment of new, used, and remanufactured engine parts for sale on our eBay store: http://stores.ebay.com/jimsautomotivemachine.

04/16/2026

Part 7 of 7: From completely worn out to sealing like new… hard to believe this thing is going back into service

04/15/2026

Part 6 of 7: Dialing in the valve seats—this is where precision matters most. Getting it to seal right could make or break this engine.

04/14/2026

Part 5 of 7: Squaring up surfaces, fixing threads, and undoing years of abuse… this head is finally starting to come back.

04/12/2026

Part 4 of 7: Cutting new seats in a head this damaged gets sketchy fast… there’s no room for error here.

04/12/2026

Part 3 of 7: When the guides don’t fit right… you get creative. Fixing years of “field repairs” with some old-school ingenuity.

04/10/2026

Part 2 of 7: We cleaned it up… only to find cracks, destroyed valve seats, and some questionable past “repairs.” This head is about as bad as it gets.

04/09/2026

Part 1 of 7: We tear into a massive oilfield engine that’s been running 24/7… and what we found inside is wild. This thing shouldn’t have still been running.

04/03/2026

Custom dipstick to repair a dipstick damaged by a dipstick?

03/31/2026

It doesn't always go smoothly, especially when the camera is out!

03/25/2026

This ONE mistake could ruin your 400 SBC build...

Address

34505 County Road 57
Gill, CO
80624

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+18889900669

Website

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