Quote:
Originally Posted by Kaisen
Do you mean that the 7670 will not be able to push out as much as the 7163? Does the 7163 comes with a twin scroll application as I've already purchased the Full Race twin scroll manifold  |
The 7670 will be able to eeek out more peak numbers, but suffers everywhere else (unless you have a proper high comp and/or stroker/long rod engine to compensate).
The 7163 come in 0.80 twin scroll T4 housing and is good for a honest 500WHP.