my truck bbc

[Twister79]

i have a 454 out of a 86 3/4 ton suburban the only mods i have done are 427 100cc closed chamber heads with 1.7 roller rockers,lunati voodoo cam 276 dur and 554 lift 2200-6400, and edel rpm air-gap intake holley hp 750 dp

 

[Twister79]

how do you guys think my toy hauler will run
the 454 came with 118cc oval heads and i replaced them with 100cc oval [-o<