TPI LT1 blocks

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Jan 6, 2005 | 07:35 PM

CC89Formula

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Joined: Dec 2004

Posts: 335

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From: Amarillo TX

Car: 89 Formula

Engine: 5.7 TPI

Transmission: 700R4

TPI LT1 blocks

Are there any differences in an L98 and LT1 block? im thinking about changing to an LT1 but without the opti spark and i dont want to run the reverse water pump. Can it be done?

Jan 6, 2005 | 08:39 PM

thirdgen88

Supreme Member

Joined: Apr 2003

Posts: 1,751

Likes: 4

From: Bonner Springs, KS

Car: 1995 Corvette

Engine: LT1

Transmission: 6 spd Manual

Axle/Gears: Dana 44, 3:45:1

http://www.lt1intake.com

Jan 6, 2005 | 10:22 PM

OneBadZ4U

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Joined: Mar 2004

Posts: 299

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From: Frederick, MD

Car: '86 Iroc, '87 Iroc Vert

Engine: 350 TPI, 305 TPI

Transmission: T5 in both

Axle/Gears: 3.73, 3.45 both LSD's

I think he means Tune Port on a LT1 block. Not LT1 intake on a SBC. I think?

Jan 6, 2005 | 11:33 PM

thirdgen88

Supreme Member

Joined: Apr 2003

Posts: 1,751

Likes: 4

From: Bonner Springs, KS

Car: 1995 Corvette

Engine: LT1

Transmission: 6 spd Manual

Axle/Gears: Dana 44, 3:45:1

Hmmm . . . maybe... Where the water pump bolts on is alot different on an LT1 (can't just bolt on a standard SBC pump)...

Jan 10, 2005 | 04:28 PM

Firebird90V6

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Joined: Dec 2001

Posts: 69

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From: Toledo Ohio

An LT1 block is ALOT different then a small block chevy.. The LT1 is reverse flow colling, and like you said uses OPTIJUNK. Your best deal is use a modified LT1 intake on a SBC like previoulsy stated. Trust me, the LT1 is great in my 95 TA but in no means would i ever transplant one into my 85. NEVER. I will be using the intake though.