JAMSI Online

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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.

10/13/2026

PART 4 (4 of 4)
This worn-out Willys crankshaft just got a second chance at life. 👌

10/12/2026

One wrong move could DESTROY this 60-year-old engine block! 😳🔧

10/11/2026

PART 3 (3 of 4)
Grinding crank journals to within TEN-THOUSANDTHS of an inch. 🤯

10/10/2026

PART 2 (2 of 4)
Setting up an old Willys crankshaft for some serious grinding. ⚙️

10/09/2026

These “almost new” heads still needed work before we’d trust them. 👀

10/08/2026

PART 1 (1 of 4)
The first crank was cracked… will this old Willys crank survive? 🔧

10/07/2026

This 350 was supposed to be our replacement block… then we found THIS. 😬

10/06/2026

PART 7/7 — This weird old F-head is finally stripped down… and the valvetrain is definitely worn out.

10/05/2026

This Chevy 350 ate TWO cams… but the cams weren’t the real problem. 👀

10/04/2026

PART 6/7 — Rope rear main seal, bolted-on crank counterweights… old engines were built DIFFERENT. 🔧

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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