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Stranger on the Internet
Join Date: Apr 2004
Location: Bradenton, FL
Posts: 3,244
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Low Idle Vacuum
The sort-of new 2.7 runs OK (except for the oil leaks).
I have some reground Solex grind cams in the engine. I have low vacuum at idle, no air leaks. Once it gets to 2000 RPM, the vacuum is fine. I am guessing cam overlap? The engine is single plug, 9.6:1 JE pistons, stock 2.7 heads. TIA Pat
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Patrick E. Keefe 78 SC |
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04-30-2020, 04:05 PM
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Registered
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Check the static timing and full advance .
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Kermit, 73 RS clone, Just Part of the Team Chris Leydon ,Louis Baldwin ,Peter Brock ,Riche Clark Jerry Sherman ,Rob McGlade ,Donnie Deal Hank Clarkson ,Craig Waldner ,Don Kean ,Leroy Axel Gains |
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04-30-2020, 05:47 PM
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Stranger on the Internet
Join Date: Apr 2004
Location: Bradenton, FL
Posts: 3,244
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EFI. I dialed in the static everywhere from 4-10 BTDC. Full advance doesn't matter at idle.
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Patrick E. Keefe 78 SC |
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04-30-2020, 06:20 PM
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