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Max lift ?

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Old

Mar 15, 2005 | 07:32 PM

#1

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Joined: Aug 2002

Posts: 676

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From: Detroit, Michigan

Car: 04 Xtreme Blazer

Engine: 4.3L V6

Transmission: 4L60E

Max lift ?

with 89 305 TBI heads?

different springs, but what is the max lift without cutting the guides down?

Old

Mar 15, 2005 | 08:22 PM

#2

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Joined: Feb 2001

Posts: 13,758

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From: Cincinnati, OH

Car: '90 RS

Engine: 377 LSX

Transmission: Magnum T56

It varies from head to head but .460" to .480" seems to be the norm. You will have to measure for coil bind to be certian though.

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