Speedway 1957-95 Small Block Chevy Eliminator +Plus Intake Manifold

#91611285

Speedway 1957-95 Small Block Chevy Eliminator +Plus Intake Manifold

Name: Speedway 1957-95 Small Block Chevy Eliminator +Plus Intake Manifold
Brand: Speedway Motors
SKU: 91611285
Rating: 4.5 (13 reviews)

13 Reviews

8 Questions

Dual-plane, 180° design provides good throttle response and low-speed torque
High-rise plenum improves approach angle into the heads, increasing top end without sacrificing bottom end
Open gap design keeps air/fuel charge cool, eliminates exhaust crossover plenum heat box

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Product Summary

Dual-plane, 180° design provides good throttle response and low-speed torque
High-rise plenum improves approach angle into the heads, increasing top end without sacrificing bottom end
Open gap design keeps air/fuel charge cool, eliminates exhaust crossover plenum heat box
Partially machined plenum divider wall improves top end power by allowing both cylinder banks to draw from all 4 barrels of the carburetor
1500-6500 RPM power band, with comparable horsepower to a single plane intake in that range (with significantly more torque)

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Key Specs

MFG. Part #	Select Finish
Brand	Speedway Motors
Intake Manifold Type	Dual Plane
Carburetor Flange Type	4-Barrel Square Bore
Material Type	Aluminum

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Details

The Speedway Motors Eliminator Manifold has all the same great features as the Qualifier Manifolds, but with the addition of an open space underneath the plenum chamber. The gap underneath allows for a cooler air charge coming into the motor that results in a jump in performance and power. This style of intake manifold has become very popular over the years, as they are a proven design that puts the power to the ground! The Eliminator series is set up to run a standard square bore carb, as well as featuring nitrous bosses, four corner water ports and dual distributor tie downs. When looking for additional power, without sacrificing the streetability of your ride, look no further than the Eliminator Manifolds from Speedway Motors!

Dual-plane, 180° design provides good throttle response and low-speed torque
High-rise plenum improves approach angle into the heads, increasing top end without sacrificing bottom end
Open gap design keeps air/fuel charge cool, eliminates exhaust crossover plenum heat box
Partially machined plenum divider wall improves top end power by allowing both cylinder banks to draw from all 4 barrels of the carburetor
1500-6500 RPM power band, with comparable horsepower to a single plane intake in that range (with significantly more torque)
5.160" x 5.625" "square bore" flange works with typical Holley 4150/4160 and Edelbrock Performer-style carbs
Textured plenum floor keeps fuel droplets in suspension during the transition into runners, improving mixture quality
4-corner 1/2"-14 NPT coolant ports for flexibility in mounting temp senders or racing-style rear coolant hoses to prevent hot spots
Features 3/8"-18 NPT vacuum port, standard 5/16"-18 carburetor mounting holes, and 3/8"-16 distributor clamp mounting holes
Dual distributor hold-downs make it easy to adjust timing from either side of the engine

Fits 1955-86 SBC engines and will also work with later 1987-95 SBC cylinder heads using the supplied adapter bushings for the center 4 mounting holes (which are drilled at a different angle on those heads).

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Specifications

KEY SPECS
MFG. Part #	Select Finish to see
Brand	Speedway Motors
Intake Manifold Type	Dual Plane
Carburetor Flange Type	4-Barrel Square Bore
Material Type	Aluminum

GENERAL
Fuel System Type	Carbureted
Carburetor Quantity	One
Finish	Select Finish to see
Color	Natural
Hardware Included	No
Gaskets Included	No
Port Height	2"
Port Width	1.25"
Bolt Hole Pattern	5.160" x 5.625"
Sold in Quantity	Each

Ratings & Reviews

4.5

13 Reviews

Overall Assessment

The product's key attractions among customers are its good finish, clean aesthetics, and great value for the price. Customers appreciate the high quality and practical feature of having a mount for the coil, helpfully increasing usability. While modifications like grinding are needed for some installations, they don't affect the product’s effectiveness. The intake is structured well, with many customers experiencing no vacuum leaks post-assembly, enhancing its credibility for reliability. Customers have used it with Felpro 1206 intake gaskets, indicating compatibility. The intake has aided users in boosting their engine's horsepower, with some limitations in seasonal usability. It's also clarified that the intake is a Speedmaster brand, not Speedway, but this misbranding hasn't diminished satisfaction. The product continues to be recommended for its noteworthy performance attributes.

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4.5

13 reviews

Most Liked Positive Review

4.0

Excellent Intake for the price. Good gasket coverage.

There's one mount right behind the drivers side rear runner for mounting the 'coil' if you have one. I had to grind off the side of this mount to get the bolt/socket to fit on the intake hold down bolt. If you have your engine assembled, you need to tape off everything to keep the dust out. Plus: There's PLENTY of casting there to grind and still be ok. Minus: It takes off the pretty black finish in that spot. Pain in the tail to tape everything off. PRE-CHECK all bolts for clearance before installing, then you can grind this area while the intake is off the engine....and possibly touch it up with a little black paint. This in NO WAY effects how well the intake is held down. Started the engine, no vacuum leaks at all. Used a Felpro 1206 intake gasket, worked great.

Most Liked Negative Review

1.0

I would not buy this intake

3 attempts to get this intake to seal and 3 sets of gaskets and it still leaks

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Yes

5.0

2 months ago

Derby

Hemingford Nebraska

Verified

Worded great

Would Recommend

I would recommend this intake.

5.0

8 months ago

Chevy

Verified

Intake fit was spot on and looks fantastic.

Would Recommend

Great price and product

5.0

a year ago

Skip

Phoenix, Arizona

Verified

Great fit my SBC 383. Two water temp fittings are a plus for temp sender and one for electric fans.

Would Recommend

I would buy this product again for sure.

5.0

a year ago

ShawnQ

Brooksville

Verified

Went on a hot SB Chevy....perfect look (black) and performance for the street.

Would Recommend

I would not buy this intake

1.0

a year ago

Fred

Commerce twp Mi

Verified

3 attempts to get this intake to seal and 3 sets of gaskets and it still leaks

Would Not Recommend

worked great on my 1990 SBC carb conversion

5.0

2 years ago

Shoebox D

Socal

Verified

I was looking for a intake to convert my 1990 SBC to a carburetor. Everything worked great for this intake. Everything fit correctly and no leaks.

Would Recommend

Great intake manifold at an affordable price

5.0

2 years ago

Don

Tucson az

Verified

Fit just as great as a similar intake I used on a different engine. Plus that it is drilled for both style sbc heads.

Would Recommend

Excellent Intake for the price. Good gasket coverage.

4.0

3 years ago

James

Marshfield, WI

Verified

Would Recommend

I would buy this product again

5.0

4 years ago

Hutto Texas

Verified

Need to package better as product got damaged

Would Recommend

Yeah

5.0

5 years ago

Smokey

Deland Florida

Verified

Awesome finish and clean lines

Would Recommend

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Questions & Answers

8 Questions • 9 Answers

Sort Questions

How many and what size plugs are needed to plug all the holes

by Bill

• 3 months ago

1 answer

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I have a Holley Sniper 2 carb and was wondering if this manifold would be suited for it and if not what would you recommend for it. I have a Edelbrock RPM now but would like a polished or Chrome intake. Thsank you. Dave

by David

• 5 months ago

1 answer

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Will the 600 cfm Holley mount on it

by Jim

• 2 years ago

1 answer

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Does this intake work with the 722300 heads? If not what intake does?

by LyonsDenAutomotive

• 4 years ago

2 answers

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I would like verification on winter usage. Review says it won't work. I would be using it for year around driving including winter.

by bodyman

• 7 years ago

1 answer

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How do the flow numbers for this manifold compare to Edelbrock's Performer RPM Air-Gap?

by Thomas

• 7 years ago

1 answer

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What is the height of this manifold?

by Chuck

• 7 years ago

1 answer

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What is the RPM range for this intake?

by James

• 8 years ago

1 answer

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8 of 8 questions shown