Bad Ass Cars
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Welcome Hot Rodders and Power Addicts!
Welcome Hot Rodders and Power Addicts!

"That's Bad Ass!" It's the first thing people say when they see the cars and engines we build, and that's exactly how we got our name.

Bad Ass: Slang / Adjective;
1) Of formidable strength or skill. 2) Distinctively tough or powerful; so exceptional as to be intimidating. 3) Very good, excellent, cool, awesome. 4) The best of. 5) Having extremely favorable qualities. 6) Pertaining to a person or thing that is rugged, strong, and/or ready to show these qualities.
Like the cars, trucks, boats and engines we build!

KNOWLEDGE IS HORSEPOWER! We have the knowledge, expertise & skill to get YOU the power & performance you're looking for!

Since 1979, our specialty at Bad Ass Cars has been building bad to the bone performance and race engines, and restoring, customizing, servicing & upgrading mid 70's and earlier American cars, trucks, boats, and hot rods. From bone stock classics, to wild street & off road vehicles, to all out race cars. Every vehicle and engine we work on, we make better, faster, stronger, safer, and more reliable. Every job is done right, with the highest quality and care! To see a photo gallery of some of the vehicles we build & work-on, click here.

Please watch the video clip below to see what we build here at
Bad Ass Cars!

what we build

We build (and install) the baddest American street and performance engines around, for cars, trucks & boats. Whether it's a classic replacement engine, a factory correct muscle car engine, a ski or performance boat engine, a blown & nitroused engine, or an all out ground pounding racing engine, we build 'em, and install 'em! Our reputation and track record are second to none, and our 30 years of ZERO BBB or BAR complaints speaks for itself!

To see pictures of cars & engines we build, then be sure to check out our Photo Gallery by clicking HERE.

To find out more of what Bad Ass Cars can do for YOU, please check out our Bad-Ass Services page by clicking HERE.

auto shop videos

If you want to learn how to build your OWN engine, or how to rebuild and tune a carburetor, how to set your engine up for a supercharger or nitrous oxide, how to degree a cam, port heads and intake manifolds, and much, MUCH more, be sure to check out our line of highly detailed "how-to" videos by clicking HERE

home page
 Hey! Show your love and support by getting yourself a Bad Ass Cars T-shirt! 
Just click HERE
Hidden Keywords - DO NOT EDIT!

If you're lookin' for strength, power and high quality craftsmanship for a fair and honest price, you found the right place.

If you're looking for "cheap" labor or a "cheap" engine, you're in the wrong place.

We didn't get our world wide
"Bad Ass" reputation by building cheap, weak or under-powered engines & cars, or by doing cheap, shady work.

If you're looking for a price, or info on an engine,
please click

To contact us please go to our "Contact Us" page



Bad Ass Cars is open by appointment only. We're located in the heart of the wine country in Sonoma, California, just 45 minutes North of San Francisco, and only 10 minutes North of Sonoma Raceway. It is owned and operated by long time hot rodder and racer, Arron Johnson. "My shop is fully equipped to handle most tasks for any street or race car. I deal on a personal level with each of my clients and do my best to provide the highest quality at the lowest price. Give me a call or send me an e-mail... let's talk."

Bad Ass Choppers, Bad Ass V-Twin, Bad Ass Cars, Bad Ass Customs, Bad Ass Boats, Power Building Videos, Auto Shop Videos, and the slogan - "Knowledge Is Horsepower" are all trademarks registered with the United States Patent & Trademark Office, and are all owned by Arron Johnson. All Rights Reserved.

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