Authentic JASPER Gas Engines for Classic Cars

JASPER Engines & Transmissions understands the pride and satisfaction that accompanies classic car ownership. Our staff of the JASPER Authentic Custom Drivetrains Division shares the same feelings in the quality of their work, making sure that you are satisfied with every detail of this exciting experience.

We offer custom remanufacturing for gas engines, transmissions, and differentials. Authentic JASPER gas engines include a numbers-matching build, original paint, testing, and, upon request and for an additional charge, valuable documentation of the remanufacturing process. With experience dating back to 1942, the latest technology, and our passion for perfection, you can expect only the best from a Jasper Authentic Custom drivetrain.

New Customer Review from Kristie Foster

September 30, 2023
Kristie FosterCustomer Review★★★★★They were super friendly and did a great job. Bill was under the estimate they gave...I would highly recommend them for any work you may need on your vehicle!!

JASPER 4-Speed Transmissions Used by Drivers in the NASCAR Xfinity Series in 2022

February 19, 2022
JASPER Engines and Transmissions is pleased to announce that the JASPER 4-Speed Transmission is being used by 28 team/driver combinations in the 2022 NASCAR Xfinity Series season.This is an exciting leap as the same transmission was used by 12 team/driver combinations in the series in 2021. These team/driver combinations accounted for 19 wins, 84 top-five finishes, and 147 top-ten finishes for the 2021 season.

Using Your Jumper Cables

February 9, 2022
At some point or another, it’ll happen to you. You leave your headlights on, your battery finally fails, or for some other reason, you don’t have enough juice to start your car. Don’t call a tow truck just yet, though...HMI Auto Care in Hackettstown has the info you need to properly jump-start your car.

Alignment and Tire Rotations

February 7, 2022
At HMI Auto Care we know how important tire maintenance is. Like the shoes on our feet, the tires and wheels on our cars protect us from direct contact with the ground. And like those shoes, we wear day in and day out, tires and wheels can rub, wear unevenly, and eventually fail to do their jobs.

How You Can Retain Your Vehicle’s Resale Value

February 4, 2022
If you own or operate any type of vehicle, you understand the importance of resale value. Some owners keep the same vehicle until it’s time for the scrap yard, but by and large it makes more sense to sell a vehicle and replace it at a certain point. From HMI Auto Care in Hackettstown, NJ, here’s how to make sure you get the most cash possible when it’s time for your vehicles to hit the auction block or when you're ready to sell it to its next owner.

How To Prevent A Transmission From Overheating

February 2, 2022
At HMI Auto Care in Hackettstown, NJ, we know that the key to keeping a transmission reliable and in shape is taking care to prevent an issue in the first place. Here, well explore a condition which has a lot of potential to cause your transmission harm: overheating.

Make Your Engine Go The Extra Mile

January 31, 2022
No matter what type of car, truck, or SUV you drive, maintenance is the key to giving your engine long life. At HMI Auto Care in Hackettstown, NJ, we focus on keeping your engine running strong.

Check Engine Light Staring You in the Eye? Here's Why You Should Pay Attention

January 28, 2022
There’s a huge percentage of vehicle on the road, right now, with the check engine light illuminated. Many of them have had it on for years, even. Frequently, a check engine light will illuminate, but pose no immediate problems, so people just get used to it and learn to live with it being on. However, HMI Auto Care in Hackettstown, NJ would like you to know that it’s worth having it looked into. Typically, the problem can be diagnosed by simply plugging your car into our computer; the vehicle gives us a code, and we know what the problem is immediately.

Diagnosing Those Dash Lights

January 26, 2022
Since the first automobile, vehicle electronics have become increasingly more complex with every passing era. In the modern-day, your car, truck, or SUV likely depends on an array of modules, sensors, and components that control every aspect of how your vehicle runs and drives. Here’s what you need to know about your vehicle’s electronics systems, from HMI Auto Care in Hackettstown.

If You Have To Turn The Key More Than Once - You Might Have A Problem

January 24, 2022
At HMI Auto Care in Hackettstown, NJ, our goal is to help you understand your transmission a little better and keep your car, truck, or SUV reliably on the road. If you ever hit the key and your engine fails to turn over, whether it’s once a month, once a week, or every day, you’ve got the beginnings of an issue worth dealing with.
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