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RarlyL8 RarlyL8 is offline
Crotchety Old Bastard
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Join Date: Jan 2000
Location: Huntsville, AL
Posts: 13,556
Actually, I think the opposite. Ditch the rpm solenoid and tune the WUR manually. You should not have the fuel needs that require that band-aid. The iA head is likely pig rich and will throw off all standard adjustments. Are you using an LM-1 to tune? You are in no-man's land and will need those reading to make your adjustments.
Your runner sized should not be critical. You are not choking off the air but rather forcing it in. Smaller or restricted runners will increase the inlet temperature and pressure somewhat but should not choke off flow.
RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
Old 01-01-2008, 08:33 PM
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