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Speedmaster/ ProComp IR EFI 460 intake.

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Speedmaster/ ProComp IR EFI 460 intake. Empty Speedmaster/ ProComp IR EFI 460 intake.

Post  Mustang-junky February 23rd 2016, 10:08 pm

Somehow I got on their email list. They send me info about stuff, usually just knock off SBC stuff. Their email today had this in it.

Speedmaster/ ProComp IR EFI 460 intake. 6589_1_

Looks like a pretty cool piece.


Brand: Speedmaster
Part Number: PCE148.1081
Part Type: Intake Manifolds, Fuel Injected

Engine Block Style: Stock/OEM standard deck
Injection Style: 8 Throttle body
Basic Operating RPM Range: Idle-7,000
Intake Trumpets: Intake Trumpets Included
Injectors Included: No
Fuel Rails Included: Yes
Throttle Body Included: 8 Pieces
Base Material: Aluminum Casting
Base Finish: Satin
Assembled: Assembled
Quantity: Sold as a Kit
Notes: Includes throttle linkage assembly and can be used with standard throttle cable.
The Speedmaster Individual throttle body EFI system have all the flash of classic Weber induction but provide higher state of tune and engine performance versatility of EFI. Delivering crisp EFI performance with systems capable of supporting up to 1000 hp. Fuel and air is delivered through precision cast aluminum 50mm IDA style throttle bodies that allow for superior idle characteristics and astounding throttle response while improving emissions and economy through tight air/fuel ratio control.

- Speedmaster™ linkage set incorporates the throttle stops, idle controls, lever arms and joiner/balancer all in one. It also features a single screw adjustment for calibrating front to rear throttle shafts.
- The bell crank has a fully indexable eccentric cable pulley that enables good slow speed drivability and still attain full throttle geometry.

Speedmaster™ throttle bodies have the following feature:
- CNC machined, Heat treated 601 Cast aluminum.
- Butterflies are measured for each bore & precision machined to a closer tolerance.
- Butterflies are secured to centerless ground brass shafts with split screws to ensure reliability and service ability.
- All are fitted with bearings rather than bushings to eliminate axial shaft movement.
- Housing to shaft lip seals behind bearings for extra sealing under high vacuum
- Idle by pass air bleed screws for super smooth idle and to aid emissions tuning.
- O’ring seals on lower mounting faces.
- Throttle Body Opening: 52mm each.

- See more at:

Posts : 438
Join date : 2011-12-04
Location : Central New York. The state, not the city.

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Post  paperman February 24th 2016, 2:20 pm

I acquired a new Speedmaster copy of a Victor years ago. Casting was OK at best but would have been serviceable if only the machine work was acceptable, or even complete. The holes look like they were drilled with a spoon and the flat surfaces with a disc sander. They even missed the rear most vertical bolt holes. Its a good piece if a guy wanted to cut one up.


Posts : 88
Join date : 2009-11-29
Age : 43
Location : MI

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Post  BBFTorino February 24th 2016, 5:38 pm

Stay away from Chinese/Taiwan crap!!


Posts : 944
Join date : 2015-12-31

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