Pontiac 400 Ram Air IV - The Parts Catalog

Pontiac 400 Ram Air IV
by Brady Call

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This is in completely stock form, minus it having a high flowing intake that I coded after a vintage '70's tunnel ram. My goal was a 6.6 liter 400 RA4 from a 1970 Trans Am or GTO. It makes 6xx torque and 5xx horsepower, too lazy to get exact numbers. Firing order is 18436572, which is standard for a GM pushrod engine of that era. It idles low but stable, around 680-720 RPM to emulate the cam sound just a bit better. If you're an old school Pontiac fan, you should give this a try. If not, search around and see how amazing these cars sounded.

main.mr

import "engine_sim.mr"
import "themes/default.mr"
import "engines/brady_call/pontiac_400_ra4.mr"

use_default_theme()

main()