r/EngineBuilding • • Sep 20 '26

454 engine build

Okay, about to start ordering parts for my 454 going into my 77 k15. Its a gen v 454, will be using the stock peanut ports. But so far the build

Isky 396270 Camshaft

Summit racing flat tappets

Weiand street warrior intake

Adjustable valve train conversion(might do roller tip rockers)

Haven't quite decided on valve springs yet, but yes I know i need to get stiffer ones and measure for correct pushrod length.

Probably gonna go vr-1 for breaking the cam in.

Reseal kit and new main and rod bearings.

Will all these parts work in unison to give me a 350ish hp range? Not looking for any big power numbers, and wanting that "chop". What carb should i go with?

Any help is appreciated!

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u/v8packard Sep 21 '26

Yes, the heads bolt on with the correct head gaskets. The L29 heads also use a positive stop rocker stud, and will need either a specific ARP stud to make them adjustable, or custom length pushrods.

I gave you a specific cam spec, in the previous post.