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5 result(s) to your search. (48mm)
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Anthony
Sat March 22, 2003 6:14am
Rating: 10
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tunnel port fuel injection
This is a custom made mechanical fuel injection system for a 427 tunnel port. The throttle bodies are made by Tecalemit-Jackson, an English company, who made fuel injection systems for road racing. These are the 52mm throttle bodies, as compared to the 48mm. Each throttle body bolts on separately, to a weber 48IDA bolt pattern. This particular system has been modified to a hilborn style fuel metering system, a continuous flow, and doesn't have the Tecalemit-Jackson metering system. As there are no venturi's in the throttle bodies, which restrict flow, these 52mm throttle bodies shouyld flow as good as 58mm webers.
The intake is an original 427 tunnel port that has been extensively modified, I'm not sure if it was modified by someone like Holman-Moody ( a Tecalemit-Jackson dealer), or it was done in someone's garage, but it looks like it was done right.
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Anthony
Sat August 7, 2004 11:35am
Rating: 10
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Algon mechanical fuel injection for ford 427 MR
This is a mechanical fuel injection system made in the 1960's, hilborn style, constant flow - low pressure. It has 1 7/8" throttle bores, close to 48mm. This intake was also made with the throttle bores straight up, as opposed to at a 45 degree angle like this one. Probably a good start for an electrical fuel injection conversion. As there are no venturi's, it should flow better than 48IDA's, about 30% better.
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Anthony
Sat August 7, 2004 11:41am
Rating: 10
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Algon fuel injection for ford 427 MR
This is a mechanical fuel injection system made in the 1960's, hilborn style, constant flow - low pressure. It has 1 7/8" throttle bores, close to 48mm. This intake was also made with the throttle bores straight up, as opposed to at a 45 degree angle like this one. Probably a good start for an electrical fuel injection conversion. As there are no venturi's, it should flow better than 48IDA's, about 30% better.
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Anthony
Sat August 7, 2004 12:19pm
Rating: 10
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48mm IDA weber vs 58mm weber intakes
On the top is a new blue thunder 48mm IDA intake, with a 10 degree canted mount angle.
Below is a 1960's Hilborn Fuel injection system for a ford 427 with High Riser heads. The system consisted of two pieces, two banks of 4 throttle bores, of 2 7/16" (62mm) diameter, that are bolted to the top of the intake. I believe the intake has the 58mm weber bolt pattern and spacing. As you can see, the throttle bores are straight up, not canted at all. A somewhat rare intake. It has been polished, and no identification marks are visable. This should make alot of top end power. I unbolted one of the fuel injection throttle body castings to expose the mating surface of the intake.
As you compare the two intakes, you can see the larger bolt pattern of the 58mm weber intake, as well as the larger ports. There isn't enough of material on a 48IDA intake to redrill for a 58mm pattern.
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Anthony
Sat August 7, 2004 12:22pm
Rating: 10
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48mm IDA intake vs Hilborn fuel injection on 58mm weber intake
On the left is a new blue thunder 48mm IDA intake, with a 10 degree canted mount angle.
On the right is a 1960's Hilborn Fuel injection system for a ford 427 with High Riser heads. The system consisted of two pieces, two banks of 4 throttle bores, of 2 7/16" (62mm) diameter, that are bolted to the top of the intake. I believe the intake has the 58mm weber bolt pattern and spacing. As you can see, the throttle bores are straight up, not canted at all. A somewhat rare intake. It has been polished, and no identification marks are visable. This should make alot of top end power. I unbolted one of the fuel injection throttle body castings to expose the mating surface of the intake.
As you compare the two intakes, you can see the larger bolt pattern of the 58mm weber intake, as well as the larger ports. There isn't enough of material on a 48IDA intake to redrill for a 58mm pattern.
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