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21 result(s) to your search. (Vacuum)
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· Next Page
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Anthony
Wed April 4, 2007 7:55pm
Rating: 10
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Chassis Dyno - Last Run 427 High Riser
Self built 427 SO, stock stroke, 429 ci., Dove aluminum High Riser heads, mildly ported, 10.5 : 1 CR, original holley 780 cfm LeMans carb, vacuum secondary, on an original single four BBL , dual plane, Hi-Riser intake. Chassis Dyno is at Performance Engineering, Hamilton, OH.
Carb jets changed, and timing adjusted by Performance Engineering. Picked up 80 ft-lbs torque and 60 hp by chassis dyno tuning.
With a 20% loss, estimated max flywheel torque is about 600, with about 570 flywheel HP at 5900 rpm's and still climbing.
The torque curve is pretty flat.
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Anthony
Wed April 4, 2007 7:57pm
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Chassis Dyno - Last Run 427 Hi-Riser Air-Fuel Ratio
Self built 427 SO, stock stroke, 429 ci., Dove aluminum High Riser heads, mildly ported, 10.5 : 1 CR, original holley 780 cfm LeMans carb, vacuum secondary, on an original single four BBL , dual plane, Hi-Riser intake. Chassis Dyno is at Performance Engineering, Hamilton, OH.
Carb jets changed, and timing adjusted by Performance Engineering. Picked up 80 ft-lbs torque and 60 hp by chassis dyno tuning.
With a 20% loss, estimated max flywheel torque is about 600, with about 570 flywheel HP at 5900 rpm's and still climbing.
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Anthony
Sun May 20, 2007 5:56pm
Rating: 10
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460 Ford Tunnel Ram in Jet Boat
Engine as when I bought the boat. 460 , likely standard 460 heads, Weiand tunnel ram. Dual Holley 4 BBls, vacuum secondary. Runs sweet. Headers are water injected which muffles the noise, and keeps the pipes (collectors only) hot to touch, but they won;t burn, unlike the primary pipes which will.
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hi-tech cobra
Sun June 3, 2007 7:27am
Rating: 9
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Weber 44 IDF
Weber 44 IDF for a 302. What are the vacuum lines for?
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Randy Rosenberg
Mon July 16, 2007 1:22pm
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Vacuum signal for Weber intakes...
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VintageUpgrades
Thu August 16, 2007 8:54am
Rating: 10
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traindriver
Tue February 12, 2008 4:50pm
Rating: 10
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Vacuum plumbing under a 48IDA manifold
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traindriver
Tue February 12, 2008 4:50pm
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Vacuum plumbing under a 48IDA manifold
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DocDirk
Sat April 25, 2009 1:13pm
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Shaved Filter base and Tranny vacuum outlet
Shaved the filter base to tilt it under the scoop but the edges still hit and the mounting bolt won't work any longer of course.
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DocDirk
Sat April 25, 2009 1:13pm
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Auto Tranny vaccum origin
I put the auto tranny vacuum hose on this 1/8" vacuum outlet because it matches the modulator intake at the tranny - both are 1/8" size. Larger vacuum at the back of the carb I used for the brakes alone.
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Dimis
Sun December 2, 2012 2:07pm
Rating: 10
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eightstack mainfold 2
Plenum created and sealed for vacuum pressure reading of map and brake boost
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Dimis
Sun December 2, 2012 2:07pm
Rating: 10
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eightstack mainfold 3
Note small holes drilled out on the underside of each port for vacuum pressure referencing.
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Sydney
Mon March 3, 2014 6:45pm
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Vacuum and Wideband O2 Gauge Pod
A temporary carburetor tuning aid.
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rodneym
Tue July 1, 2014 12:24pm
Rating: 10
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disconnected Paxtons
I disconnected the Paxtons for a different flavor. Glad I did - I found a vacuum leak at one carb - never noticed it with positive pressure. Idles better, too. Now I have a track day option.
I considered giving the Paxtons a break for the Summer but she didn't run any cooler. Lesson learned.
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cobrajeff
Fri May 13, 2016 10:51am
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Vacuum formed Cobra valve covers
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