Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
|
#6
11-03-2017, 08:33 PM
|
||||
|
||||
You can go either way. The 781 or 049 will flow better than the 290's but require the dome for compression. The 290's use the short dome piston for 10.25-1 compression. For what you're looking to build, stock valve sizes will be fine either way.
|
|
|
Threaded Mode