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    Top Line Performance

    4.6 (65 reviews)
    Open 8:00 am - 5:30 pm

    Services - Top Line Performance

    Check engine light

    Engine oil light diagnosis

    Auto general diagnosis

    20 More Services

    Auto noise diagnosis

    Tire Pressure Monitoring System diagnosis

    Auto no-start diagnosis

    Auto vibration diagnosis

    Auto diagnosis or inspection

    Auto pre-purchase inspection

    Auto maintenance

    Oil changes

    Auto repairs

    Auto battery or electrical system repair

    Auto brake repair

    Auto engine repair

    Auto exhaust repair

    Auto HVAC repair

    Auto light repair

    Auto steering and suspension repair

    Auto transmission repair

    Auto wheel and tire repair

    Routine automotive maintenance

    Transmission leak inspection

    Top Line Performance Photos

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    Recommended Reviews - Top Line Performance

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    Reviews With Photos

    Under surgery

    I got my 1997 F350 460BBF worked on due to the notorious fueling issues. This one was a odd one but they still knocked it out of the park! The owner Mario was awesome and was super proud of the business/legacy he's built. Josh was the front desk manager and he was so helpful and did tons of research finding parts that were nearly impossible to find.

    Leveling kit and tire installation.
    Abraham V.

    You couldn't find a more honest and hardworking team in Orange County! Josh and Mario go above and beyond in their service. They expedited my truck and got the job done. They are professional, honest and accurate above everything else. Josh is a great guy to work with. The level of work is top quality and I'm very happy with the work they did. Thank you again Josh for being incredibly easy to work with. Looking forward to come here for all my truck needs!

    Vintage Phone

    These guys are honest!! Thank you Josh and Mario for taking care of our vehicles old and new!

    Tested the FJ62 after picking it up from the shop. Drive like a dream.
    Jon F.

    I have been looking for a proper Land Cruiser Specialist in Orange County for years now. I have finally found them. My first experience at TopLine began with a smile from Mario. He treated with genuine appreciation and asked me how he could help. I explained the history and mystery issues I have had with my fj62. He listened to everything I had to say (including all the obsessive info I was throwing at him from reading to many forum threads on off road sites) with patience , he explained his interpretation of my long winded story about my LC and how we can move forward to solving my land cruiser engine issues. I immediately trusted his knowledge and set up an appointment to have my truck diagnosed for a long standing mystery issue. Within a day he found an issue that none of the mechanics that worked on my truck before had seen ( including the shop that did an entire tranny rebuild) he fixed this issue in two days and had my truck back in the road. The best part about this experience is my truck hasn't driven this fast or felt so strong since I have owned the land cruiser. I wish I would have found Mario and TopLine years ago. They have a customer for life!! Shout out it the Crew!! You guys rock!!

    DollytheFJ60
    Ben M.

    Found this shop on ih8mud.com, land cruiser forums, took my 1984 FJ60 to them for a carb adjustment and overall inspection after a recent purchase. Was going to have all fluids changed, after inspection they informed me that all the fluids looked good and did not need to be changed. Actually turned down work that was not required. Extremely trustworthy shop, could have taken me for a quick buck but instead decided to do the right thing. This will now be the only shop I trust my FJ to. There is a reason they have so many positive reviews. Great customer service and a true asset to the LC community.

    Engine bay

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    10 months ago

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    2 years ago

    Not impressed. The check engine light came back on our LX 470 a mile off the lot. They wouldn't fix it without an extra charge.

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    6 years ago

    Business owner information

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    Mario R.

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    10 years ago

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    Mario R.

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    Page 1 of 2

    Ask the Community - Top Line Performance

    Do you guys do engine swaps? Have a 76 Chevy truck and looking to swap engine, currently has an inline 6

    Hi Gus - yes we do! We also work with several local engine builders that can source an engine for you or you can provide your own. Please give Mario a call at the shop, 714-848-6433, he will have several questions for you before we get started.… Read more

    Can you guys install a lift kit on a Lexus GX470?

    Yes we can! We specialize in these vehicles. Please give us a call at the shop so we can get you on the schedule.

    Do you guys do engine swaps?

    Have a 76 Chevy truck with an inline 6. Looking to swap engine. You guys also sell engines? Can you… Read more

    I want to make my mustang faster will you guys be able to assist me with tha?

    Sorry for the slow reply Adrian, Yes of course! We are well versed in Mustangs. We have many customers with old and new Mustangs and can advise you on how to get the most bang for your buck. With the huge aftermarket parts available for Mustangs, we… Read more

    View All 7 Questions

    Review Highlights - Top Line Performance

    They do great work , fast and efficient:) Thanks again Mario and Josh y'all are the best!

    Mentioned in 34 reviews

    Read more highlights

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    Top Line Performance - autorepair - Updated May 2026

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