4, to 6 degrees advanced, or BTDC.
4, to 6 degrees advanced, or BTDC.
a 400 small block Chevy has a 4.125" bore.
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.
1981 was the last year the 400 small block was made.
was just checking myself, but to give you an idea mine is 12 deg btdc.
Yes.
The 400 Chevy small block motor should have approximately 390 horse power. It should have 427 foot pounds of torque.
4, to 6 degrees advanced, (BTDC) initial, or 30, to 32 degrees total.
19'
413
350 and under are small blocks. There is also a 400 small block but there is a 400 large block. 396 and up are big blocks.
stock timing on a 400 small block Chevy 2/4 bbl engine is 4 degrees btdc. depending on how the engine is built however, i.e. rebuilt to stock or built for performance, the timing may be up to 8 degrees plus or minus tdc or more depending on valve timing and cam timing.