Which aluminum BB intake will fit under 74 hood?
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Joined: Jul 2006
Posts: 2
Which aluminum BB intake will fit under 74 hood?
I would like to upgrade the intake & carb on my 74 LS-4 for performance and weight reduction, but most dual plane aluminum manifolds will not fit under a stock hood. What about the L88 manifold? Does anyone still make it? Is it designed for oval or rectangular port heads? Any help would be appreciated.
Paul in Memphis
Paul in Memphis
Joined: Sep 2006
Posts: 2
RE: Which aluminum BB intake will fit under 74 hood?
Late reply but I`m new here. 
L-88 intake won`t fit. 1) they`re rectangle port 2) too tall. They`re a dual plane hi rise. That`s why L-88 cars had the big L-88 scooped hoods. Stock LS-6 Chevelle 454 would work height wise but they`re also rectangle port.
About the only aftermarket intake that`ll fit is an Edelbrock Torket 2. They`re made for oval port and are only about 1/4" taller than stock. The single plane design may sacrifice a little bottom end torque though and like the manifolds above it`s square bore so no Q jet. Mark SC&C
L-88 intake won`t fit. 1) they`re rectangle port 2) too tall. They`re a dual plane hi rise. That`s why L-88 cars had the big L-88 scooped hoods. Stock LS-6 Chevelle 454 would work height wise but they`re also rectangle port.About the only aftermarket intake that`ll fit is an Edelbrock Torket 2. They`re made for oval port and are only about 1/4" taller than stock. The single plane design may sacrifice a little bottom end torque though and like the manifolds above it`s square bore so no Q jet. Mark SC&C
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