1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

48 ida on 13b 6 port

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Old 01-17-14, 06:08 PM
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48 ida on 13b 6 port

so im trying to figure out the jetting and various sources have help but i still have flat spots.

running F11 tube with 195 fuel and 165 air. 65F10 idle jet. Close accel exhaust valve and 50 pump jets.

Going idea is that the pump jets are too darn small.

What are the setups others are running? My arrangement is "driveable" but has lean issues during progression.
Old 01-18-14, 07:02 AM
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Bridge Port Freak

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I will check my post it note when I get home, I think I have a friends tune on it.
Old 01-18-14, 08:15 AM
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go to gruntled.com i think there is a base line jet setting on there
Old 01-18-14, 08:20 AM
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put F7 e tubes, will richen up the low end and mid range
Old 01-18-14, 10:32 AM
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need to find out if the identifications for Dellorto jets are similiar to weber for sizes.
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