Chevrolet 454 “Economy”
Last updated: 6/14/2007

Prices:   “Economy” Long block (This combination does not include an intake manifold as the manifold will ultimately be determined by the engine management system.)   $5,395

This engine package is capable of 375-475 horsepower depending upon the particular cylinder head as well as the ultimate compression ratio and camshaft selection.

Prices, services and equipment are subject to change without notice. Shipping & handling charges for parts and/or services are extra. Tax is not included in the prices listed. Core charges (if any) are extra. Labor to disassemble your engine is also not included. This document is for informational purposes only; formal proposals will be provided upon request. Due to their intended racing and/or performance usage, no warranty is expressly or otherwise provided with these engines unless otherwise noted in the proposal.

Block preparation:

The engine is disassembled and all parts are hot tanked. The block is then bored on precision stand and torque plate hone using a three step process. The block is then rinsed and washed. The Federal Mogul cam bearings and brass core plugs are installed; the block is shrink wrapped and stored for later assembly.

Short Block Assembly:

The crankshaft is precision index ground prior to being precision spin balanced. Speed Pro hypereutectic cast pistons are installed on SCAT “I” beam 6.135” connecting rods; rods include 3/8” thru bolts. Speed Pro moly piston rings are installed on the pistons. Federal Mogul aluminum main bearings are installed in the block. The piston/ rod assembly is installed using Federal Mogul connecting rod bearings. Comp Cams “Xtreme energy” hydraulic camshaft installed using Comp Cams HD double roller timing set. Camshaft is degreed-in according to cam card.

Components to complete Assembly:

A Mellings high volume oil pump is installed along with a Moroso bolt-on oil pump pick-up. Topline hydraulic lifers installed. Engine assembled using a Fel Pro full engine gasket set.

Cylinder Heads & Valvetrain:

Production cylinder heads receive “bowl & chamber” porting. The heads then receive a 4 angle valve job with radius top cut. Manley 2.19”/1.88” valves utilized in the application; valves are back cut to enhance airflow. Manley Teflon valve seals are installed during assembly. Manley valve springs, steel spring retainers installed along with machines 7 degree keepers; spring rates matched to the camshaft. Comp Cams “Pro Magnum” roller rocker arms installed along with Manley rocker arm studs, 3/8” pushrods and Comp Cams pushrod guide plates. The cylinder heads are installed using ARP head bolts.