poor.... 10 Miles to a gallan if your lucky.
Small-block Chevy The 454 Chevy big block offered much more available power but was horrible on fuel economy.
The 400 Chevy is a small block engine. The 400 BIG BLOCK Chevy does not exist! 402 big block Chevy does. it seems in the early 70s Chevy put 402s in their pick ups and they had 400 badges. this opened the can of worms known as the non-existant big block 400.
Yes.
yes
1,8,4,3,6,5,7,2 all small block and big block firing patterns are 1,8,4,3,6,5,7,2 for Chevy
Chevy to Chevy...yes.
It is a small block
no
Yes it can, you will also need the big block pickup tube
It is a small block.
no
Right around 6 degrees advanced, with todays pump gas.