I took the car to the same scale that I used before the engine transplant, and the results are in. It bears noting that I did not install the A/C compressor and the strut tower brace is yet to be installed.
The spare is out also out of the car but a sub-woofer was installed. There were a few (not all that heavy) tools in the car as well.
Front 1980 Rear 1480 Overall weight: 3460 lbs Bias: 57% front, 43% rear. Weight difference front to rear: 500 lbs heavier in the front.
After Coyote (No A/C and without spare and cross member brace).
Front: 1790 Rear: 1560 Overall weight: 3350 lbs Bias: 53% front 47% rear. Weight difference front to rear: 230 lbs heavier in the front.
Weight loss total: 110 lbs. Front loses 190, rear gains 80.
Other items of note — I’m sure that the Herculiner applied all over the place added some significant weight. Likely 10 to 20 lbs but possibly more. About a gallon total was applied and it’s not exactly light. Thanks to the careful application of Herculiner and sound deadener, I am getting far less drive-train noise.
The remarkably lower front stance — although it looks awesome I’m starting to re-evaluate it. I think I’m going to ratchet things up another 1/2 inch. Simply too little travel up there and I’m already bottoming out all over the place just trying to drive the car…
Just attempting to merge into traffic with the car out of the weight scale area I was able to roast the tires — it’s got way more horsepower and torque (obviously). It used to be a bit “chirpy”, but this was a brand new experience. The car smoked the tires with such ease — I’m going to have to re-learn how to drive my old GT…
The balance change is actually more noticeable than I expected. I’ve driven the car a few more times and it simply handles a lot better than before and it can’t all be the coil-overs as they’re not totally adjusted — and the alignment is not fully complete.
Also note that I fully expected that with a fully aluminum motor that I’d be losing more weight from the front of the car — the battery has been relocated after all and the k-member + coil overs + lower control arm setup alone nets somewhere near 100 lbs. My suspicion is that the Coyote is a similar weight to the original iron-block 4.6 motor. It may have a lighter block but it’s definitely a larger motor and the heads are more complex (more steel parts there for sure).
Still, you have to see that a large amount of weight has shifted — almost 300 lbs at the end of the day (190 off the front to 80 on the rear — picture a big squishy weight of 270 lbs that slid from the front to the back of the car and some kind of evaporated along the way).