1998 Saturn SC2 crazy Idea just wondering

  • 1998 SATURN SC2
  • 1.9L
  • 4 CYL
  • FWD
  • 170,000 MILES

I am thinking about trying to put one of my 305 small block chevy motors into my saturn sc2. Was wondering if it was even possible. Saturn is an automatic, fwd, 1.9L dohc, no turbo.

Do you
have the same problem?
Saturday, July 5th, 2014 AT 8:31 PM

1 Reply


Keep dreaming, but I can say with almost 100 percent certainty the car will end up with a "For Sale As Is" sign in the window. Besides the fact the 305 is physically much too big to fit in the engine bay, the only transmission that will bolt up to it is for rear-wheel-drive, and the tail housing will stick out way past where the left wheel would be. There's no way to shoehorn a differential in there so there's no way to drive the right wheel.

The car the 305 came from had springs and suspension parts to hold up about 1500 pounds of car per side. Your Saturn has puny little springs on struts that hold up about 800 pounds or less. The 305 would flatten the suspension and the front end would be dragging on the ground. All Chrysler V-8s are about 100 pounds lighter than every corresponding GM engine, but even those would be way too heavy. There aren't any springs made for struts that would hold up that engine. Even if there were, the bottom plates on the struts would buckle under that much force.

Next, you have to consider the radiator. You'd need about four times the capacity and triple the surface for air flow. The radiator would be three times as thick as you have now, and would stick up above the hood line by about 8 inches.

To do something this radical, experts would build a small rear-wheel-drive chassis, then set the Saturn body on it. That still would require months or years of modifications to mate everything up and get it working. Start by enrolling in a two-year Automotive course at your community college, then take a one-year Auto Body course. By the time you're done, you'll see that this isn't a dream; it's a nightmare.

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Saturday, July 5th, 2014 AT 10:09 PM

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