426 cylinder bore question

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Apr 2, 2007 | 01:53 AM

CGriff

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Trailblazer

Joined: Mar 2007

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426 cylinder bore question

Stock bore on a 400ex cylinder is 85mm, the 426 psiton im putting in it is 88mm .. so whenI take the cylinder to the machine shop how much does it need to be bored?

Apr 2, 2007 | 10:51 AM

TwinCam95

Range Rover

Joined: Mar 2006

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426 cylinder bore question

3mm?

Apr 3, 2007 | 05:46 AM

CGriff

Thread Starter

Trailblazer

Joined: Mar 2007

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426 cylinder bore question

is it just me or what but I dont think an 88mm piston will fit through a 88mm cylinder?

Apr 3, 2007 | 09:17 AM

Red400EXRod

Pirate Biker
Limping Rider!

Joined: May 2003

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From: Snohomish, Washington

426 cylinder bore question

Take your piston with you when you take your cylinder in. They will spec the piston and bore your cylinder to the appropriate size. Most shops WILL NOT bore a cylinder without the piston in hand!