why aren't pushrods used in relevant professional racing

ohv is more effective at saving space while ohc is better for fine tuning the engine mapping, which allows better efficiency. but it doesn't matter if your car is lighter if you're racing in a series because the officials add ballast to make it competitive.

>>17889458
but ohc weighs less.

File: 20170915_165256.jpg (1MB, 3264x1836px) Image search: [Google]

1MB, 3264x1836px

>tfw no cake batter milkshake

>>17889463

sometimes

>>17889481
>ford 3.5l ecoboost
>400 lbs
>700 hp

>lt4
>600 hp
>528 lbs
?????

>>17889484

where did you get those numbers?