I live in Tucson, and have run a 292 w/Clifford headers and an Offy intake for 25 years. I needed no intake heat. But I have noticed that the L6 ran a lot better in the High summer.[When the V8s would vapor lock].


I/I #4101
'71 GMC Jimmy 350, sm465, np205,3.73 posi.
'68 C/10 Stepside 292 (.030 over) Offy Intake, 500 CFM AFB,Clif headers, sm465, 3.73 posi.
'67 K/10 454 project.
'72 K/5 rolling frame project.