It'll be interesting if the 292 in its hottest form will match HP with what my 8.2:1 4200 did NA with the stock exhaust manifold..... despite have 40 ci more to work with...

I think the 292 will do better torque wise....

Last edited by efi-diy; 11/06/09 01:28 AM.
51 GMC 4.2 turbo
Can't solved today's problems using the same technology/thinking that created them