Modern DriveLine Offers five and six speed conversions for small & big block GM’s including Buick Pontiac & Oldsmobile.

The MDL line of products offer easy ways to upgrade your 3,4 speed to a Tremec 5 speed or a complete automatic to 5 or 6 speed overdrive, we have you covered.

We have Upgrades for Chevy & BOP – Small Block, Big Block LS & LT Series engines.

Converting from Auto to Manual or just wanting to upgrade a 3 or 4 speed to 5 or 6 speed overdrive, contact us and we will customize a quote to meet your needs. We can supply everything you need from the back of the block even including the driveshaft, but we stop there we don’t do differentials.

Solutions are TAILORED to your needs with many or all of the following:

The MDL conversion packages are as complete as possible.

You get ALL the components you need where competitors packages provide only the basics.
When comparing cost be sure you take into consideration quality of the parts, the warranty and the level of customer/technical service you receive.

 If you have any questions please contact us… we’re here to help   208-453-9800 


  • We extend the manufacturer’s warranty by an extra year… and that’s from date of install.
  • We offer best in-the industry customer service.
  • When you purchase a complete MDL Conversion Package you get, life-time technical support.
  • You get all the parts you need and none you don’t.
  • We will use any existing parts you have that we can… there’s no need to buy new if you don’t have to.
  • MDL provides Solutions for many Ford vehicles and Ford powered vehicles.
  • **  We can supply many of the parts needed for many vehicles not listed.  **