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350, Vortec or Not?

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Old

Nov 28, 2003 | 11:28 PM

#1

86TransAMsbc305

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Joined: Nov 2002

Posts: 240

Likes: 0

From: Bush, Louisiana, USA

Car: 1986 Pontiac Trans Am

Engine: LG4 305

Transmission: 700R4

350, Vortec or Not?

Does a 350 out of a 1991 Chevy Truck have vortec heads?

Old

Nov 29, 2003 | 12:50 AM

#2

Supreme Member

Joined: Jan 2002

Posts: 3,852

Likes: 1

From: Valley of the Sun

Car: 82 Z28

Engine: Al LT1 headed LG4 305

Transmission: TH350

Axle/Gears: 3.73 posi with spacer

No

Old

Nov 29, 2003 | 11:50 AM

#3

Supreme Member

Joined: Mar 2002

Posts: 1,654

Likes: 2

From: Lower Salford, PA

Car: 1987 Camaro Z-28

Engine: 6.3L Victor EFI

Transmission: Tremec TKO 600

Axle/Gears: Moser 9"/4.11 Trac-Lok

To expand on ME Leigh's answer,
The Vortec truck engine debuted in 1996 & was replaced by the Gen III (LS1 block) starting on the 1999 Silverado.

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