Value of a QC 409

[super sport]

what is the value of a QC 409 Block and can i make this block a 400 HP or a 425 HP by just using the 690 heads and what pistons should i be using ? also is there a compete kit that i can buy for my 409.

[JimKwiatkowski]

super sport, your QC block is a 3844422 made in 64 or a 3830814 made in 63.Both blocks share the same bore 4.3125 and stroke 3.50 they were used for 340-400-425 HP 409'S.Since you have 690 heads all you need is dual quads and a 4 seed and you have 425 HP.

If you want to upgrade your cam and pistons go to our 348-409 home page and click on links for venders Phil Reed or Aubrey our members of our club and can help you out :)