- Sbc intake manifold install#
- Sbc intake manifold update#
The dual plane design and high rise configuration increases velocity and provides single plane like upper rpm power without sacrificing lower rpm street driving ability just off idle. Though our high rise plenum sits at 5 inches for greater throttle response it will fit under most stock hoods (except for Corvette). We’ve stuffed a lot of performance into this casting, including large 1-7/8" tall, 1-1/8" wide high flow runners mated to a high rise dual plane plenum machined for the standard square bore carburetor flange used by many popular four barrel carburetor brands like Holley and Edelbrock. Take our dual plane small block Chevy aluminum intake manifold for example.
Sbc intake manifold update#
Today, small block Chevy intake manifold design and manufacturing has come a long way, allowing that same bolt on performance update to make more power while saving you some hard earned cash. Adding that aluminum SBC intake manifold and a four barrel carb were almost a right of passage to any hot rodder back in the day. These iron manifolds weighed a ton and held most engines back as if they were sucking air through a drinking straw, meaning they weren’t the best SBC intake for torque. Most factory SBC intake manifold material used up through the early 1980s was cast iron, except for a few rare factory performance pieces.
Sbc intake manifold install#
If there is one performance upgrade that has become “the” part to install it has to be the aluminum SBC intake manifold (and the requisite four barrel carburetor it allows as well). Make More Power for Your Small Block Chevy with Bolt on Ease
Requires extra thick valve cover gaskets to prevent interference with intake port flange. Works with standard small block Chevy intake manifold accessories. Hi-rise design with 5-inch carb pad height, yet fits under most stock hoods. Popular square bore carb flange fits typical Holley and Edelbrock carbs without adapters. Dual plane street manners with single plane power ability. Accepts stock or aftermarket distributors and features dual distributor hold downs. Available in natural “as cast” finish or polished finish. Power range from 1,500 rpm to 6,500 rpm, perfect for street and strip use. Supports large displacement builds like 383 strokers with higher usable rpm. Oversized runners and split dual plane plenum. Cast aluminum high-rise manifold fits popular small block Chevy applications. Fuel rail designed for maximum throttle lever clearance. Holley laser etched logos on the black coated fuel rails and bracket assortment are included so that you can install the injectors of your choice. Lower Throttle Body Mounting height to help with hood clearance. Single Plane Design with isolated Plenum. Also, these manifolds will work with any SBC engine equipped with aftermarket cylinder heads, as long as they have a standard port flange opening and mounting bolt locations.Īlso Available: 20-86 Throttle Cable Bracket, 20-87 Kickdown Cable Bracket Features: The 300-260 intake manifolds are designed 4150 style Throttle Body EFI applications on 1957-86 262-400cid Small Block Chevrolet engines and SBC engines equipped with 1987-91 L98 aluminum Corvette cylinder heads (non-EGR applications). Fuel rail designed for maximum throttle lever clearance. The black coated fuel rails and rail bracket assortment are included with the manifold for any easy installation with the injectors that you choose to use for your combination. This design points the injectors at an angle to match the intake runner airflow angle. The fuel injector bores have back-cut exits in the runners for better fuel atomization. The isolated design of the air/fuel passages helps to increase charge air density and performance. These intake manifolds are designed to accept most stock hardware and accessory brackets, but offer performance features like an updated plenum divider area, a 1" shorter overall height than most single plane manifolds, and a choice of two distributor clamp locations. The manifold is designed to work with 4150 Style Throttle body EFI systems like the Holley 4150 style flange Universal Throttle Bodies. The new single plane EFI intake manifold is designed to provide a broad RPM powerband for high-performance street/strip engine applications to a maximum engine speed of 7500 RPM.
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