Volume III, Issue 3, Page 37

Although not the champ at peak, this 1.0-inch tapered spacer added 47hp at 5,900 rpm!

This 1.5-inch tall 4-to-1 tapered spacer was the top-end king, bringing in 670hp at 7,000rpm, (13 more than no spacer at all). It helped to carry power a little higher in the rpm range, too.

 

SOURCES

Automotive Racing Products (ARP)
800 826-3045
arp-bolts.com
Dart Machine
(248) 362-1188
dartheads.com
Hardcore Horsepower
615 216-5987
hardcorehorsepower.net
High Velocity Heads (HVH)
865 573-9151
highvelocityheads.com
Holley Performance Products
270 781-9741
holley.com
Moroso Performance Products
203 453-6571
moroso.com
Philadelphia Racing Products
215 969-3550
prpracingproducts.com
Wilson Manifolds
954 771-6216
wilsonmanifolds.com

 

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