LT1 to LT4 conversion kit?
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
No. The LT1 and LT4 are reverse cooling, meaning the coolant goes to the heads first, then the block, unlike the SBC (and most everything else) block-first-then-heads. The coolant passages are different between the two types of engines.
What are you trying to accomplish?
What are you trying to accomplish?
Thread Starter
Junior Member
Joined: Mar 2009
Posts: 30
Likes: 0
From: New Orleans,LA
Car: 1990 Firebird Formula 350
Engine: L98
Transmission: 700-r4
Axle/Gears: 3.23
Re: LT1 to LT4 conversion kit?
i have a stock 1990 l98 im trying to rebuild my engine with a high performance cam, intake, heads, im tryin to gain at least 100hp&torque with out having too switch to a carb. and i dont want to have to change engines or trannys
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
http://www.sdparts.com/product/SD806...keHeaders.aspx
http://www.sdparts.com/product/24502...rCamshaft.aspx
Add runners (or just get the upgraded Vortec roller heads & a Holley/Weiand Stealth Ram for Vortec), headers, 1.6:1 rockers, perhaps computer tuning.
http://www.sdparts.com/product/24502...rCamshaft.aspx
Add runners (or just get the upgraded Vortec roller heads & a Holley/Weiand Stealth Ram for Vortec), headers, 1.6:1 rockers, perhaps computer tuning.
Thread Starter
Junior Member
Joined: Mar 2009
Posts: 30
Likes: 0
From: New Orleans,LA
Car: 1990 Firebird Formula 350
Engine: L98
Transmission: 700-r4
Axle/Gears: 3.23
Re: LT1 to LT4 conversion kit?
do i need a
SB Chevy Hydraulic Roller Lifter Kit to go wit the hot cam? and what kind of headers do i need?
SB Chevy Hydraulic Roller Lifter Kit to go wit the hot cam? and what kind of headers do i need?
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