04-16-2003, 02:59 PM
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Senior Club Cobra Member
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Join Date: Dec 1999
Location: Edgewater,
FL
Cobra Make, Engine: ERA FIA, BOSS 351C/Webers
Posts: 1,304
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Not Ranked
Make a Road Draft Tube
Tommyboy -
What I have done with my Webers is to add tall breathers (reworked steel valve covers) and fabricate a Road Draft Tube for one side (connected to an elbow on the other side with 5/8" heater hose). I cut up an old auto tranny fill tube and used it (every body was looking for vintage Road Draft Tubes for Concours cars - the prices are crazy - like $40 for one).
This has worked well for me - a minimum of oil to wipe off the valve covers, occassionally. The first time I set-up my Webers on my Pantera, I linked two small fuel logs together to gather vacuum from eight ports for the power brakes. I tried to run two breather caps for crankcase ventilation - that was not sufficient - the crankcase pressure built up to the point it would push oil past the rear main seal (it was a high mileage engine). Adding a road draft tube cured it.
Good luck,
Jeff Burgy
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CobraJeff
ERA P 202
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