Drag Pack info
 

Does anyone know a web site that I can go to for information on a drag pac for a 69 Mach I. I have purchased a 390 4speed car and was told it had the drag Pack. It has the 5 leaf spring, 9" traction lock rear. Not sure of the gear ratio but I can't go over 65 MPH on the interstate. It has the remote oil filter behing the front grill.

Thanks for your help!

When you say it "can't go over 65mph" on the hwy, do you mean it's top speed is 65mph, or that it is just reving so high that you dont want to drive it at a sustained speed that high for fear of blowing something. The Drag Pack came with a high gear ratio,drag gears, ment for the track. Look on the data plate for axle code. With a limited slip V=3.91 gears, W=4.30, 3.91 gears are pretty steep for the highway, but 4.30"s forget it. I put 3.89's in mine not know better. I'm either going to bump them down to like 3.50's or get a tranny with overdrive.

The rpm's are too high.
 

The code on the plate says its a 3.25 ratio, but it seems higher to me.

Thanks