Thanks Lee,

I calculated for a stripped down L34 Camaro in 1970 to be:

3278 based V8
+244 L34
+10 Power brakes
3,532 total curb weight

But....considering the weight of the cast iron L34 intake is probably offset with the L78 smog system and dual snorkel air cleaner assembly...it's probably close. No clue about the Mustang curb weight.

Not arguing the comparison, just curious since Chevy didn't advertise this powertrain for the Camaro in 1970.

That site gives curb weight on most cars:

https://www.automobile-catalog.com/#gsc.tab=0

Click on: Browse by Make/Model/Type

https://images2.imgbox.com/e9/97/pMOu7OJZ_o.jpg

An interesting fact about the 71 Boss 351. It still had the high compression but Ford figured out how to control the smog without the smog pump. Only Boss Mustang without one.

https://images2.imgbox.com/c5/cc/vYHHAE0I_o.jpg

I don't know why but lately I am seeing 1 out of 3 W30 442s with a misplaced emblem.