Why the J Mod Crown Vic is a must-do upgrade
Deciding to finally do a j mod crown vic upgrade is basically a rite of passage for anyone who owns one of these old police interceptors or civilian cruisers. If you've spent any time on the forums or in Panther platform Facebook groups, you've probably seen the name "Jerry" mentioned like he's some kind of mythical transmission wizard. Well, in a way, he is. The J-Mod—short for the Jerry Mod—is named after Jerry Wroblewski, one of the engineers who actually worked on the Ford 4R70W transmission. He knew exactly where the weak points were and how to make these gearboxes shift the way they should have from the factory. ...