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Registered
Join Date: May 2001
Location: Peoples Republic of Long Beach, NY
Posts: 21,140
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"145 Main
180 Air Corrector
F3 Tubes
BP7ES Plugs"
wild guess
i have my idles turned to give performance when it's running at 3k+ rpm
when turned like this i can run NGK BPR7ES or even BPR8ES
the trade off comes in occasional popping from what i suspect is a lean condition hitting a hot muffler
i can eliminate the muffler popping by turning all the idles rich 1/2 turn and run BPR5ES
i figure it's a simple carb with only 3 circuits etc
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Ronin LB
'77 911s 2.7
PMO E 8.5
SSI Monty
MSD JPI
w x6
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