Weiand 7547-1 IMCA Approved Small Block Chevy Manifold
Chevy Small Block V8, Carbureted Fuel System Type, Single Plane Intake Manifold Type, Aluminum
- Has an RPM range of 2000 to 6500 rpm
- it is IMCA approved and has the logo behind carb mounting pad
- Designed to fit the 1957-1986 Small Block Chevy 262-400 iron heads and 1987-Later GM factory aluminum heads
- Intake works best with a higher compression ratio, 280° or more of cam duration and headers with 1-5/8” primary tubes
- Engineered to be the ultimate performance manifold for single 4V applications where increased torque and power is required in the mid and high rpm ranges
You can now run the 7547-1 Weiand X-CELerator in the IMCA Stock Car and Sport Mod classes. This aluminum intake has the common Holley 4150 4 bbl bolt pattern and fits the 1957-86 S/B Chevy 262-400 iron heads and 1987-Later GM factory aluminum heads.
With an effective rpm range of 2000 to 6500 rpm, this intake works best with a higher compression ratio, 280° or more of cam duration and headers with 1-5/8” primary tubes. The Weiand X-CELerator Series is the ultimate performance manifold for single 4V applications where increased torque and power is required in the mid and high rpm ranges.
IMCA Approved - Intake has IMCA Racing logo behind carb mounting pad.
- 360° Single Plane
- Open Plenum
- Square Carburetor Mounting Flange
- IMCA Approved
- Power band: 2500-7000 RPM
- Weiand Install Notes (PDF)
- Carb Recommendations: 650 - 750 CFM Holley HP
- Manifold height @ front: 3.09"
- Manifold height @ rear: 4.06"
- Port size: 1.85” height x 1.15” width
805-75471 Instructions (PDF)
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Q & A
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Information of the function of intake manifolds and a little information on how to choose the right one for your rebuild.
Follow along as Speedway Tech Kevin talks about the intake that he decided on for the 454ci in his '54 Chevy, and some of the reasoning behind his choice.