dyno results

Another good example (not mine) of what a 4200 can make without getting into the engine at 9.5 psi. This is with stock GM electronics and a tune.

Swap the engine
install turbo & intercooler
tune

Dyno test.

Last edited by efi-diy; 01/17/13 02:14 AM.
51 GMC 4.2 turbo
Can't solved today's problems using the same technology/thinking that created them