|
The rockers are also by Indy cylinder head, and Tom is planning to run our Challenge-maximum 1.7:1 ratio rockers on the intake side, and a gentler 1.5:1 rocker on the exhaust. Naturally, a good spring will be necessary to deal with the aggressive cam and rocker ratio combination. Valve springs will have to be tough, but not unstreetable, and check in with 140 lbs on the seat and 360 lbs of pressure at full open. View Related Article
|
|