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Caution on extrude-honing manifolds

From: Daven Anderson
Email: l96lfury@springmail.com
Remote Name: 199.174.228.236
Date: May 26, 2002

Comments

Extrude-honing of those 'log' manifolds that came on the polys STILL won't make them flow nearly as well as even later (unhoned) factory 4-into-1 exhaust manifolds as the A/B Magnums and 426 Hemi designs (none of these fit the polys). Also, extrude honing can weaken the manifold even if done with proper care.

 


Last changed: May 04, 2010