Tuning my webers part two....

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#5 (permalink)

10-27-2008, 01:55 PM

Snakebit

Club Cobra Member

Join Date: Nov 1999

Location: Salem,, NJ

Cobra Make, Engine: ERA 289 FIA #2100 Rio Red Wimbledon White Stripes 302 stroked to 331 Webers Richmond Road Race 5 speed

Posts: 782

Not Ranked

The f16 tubes are leaner than the f7 tubes. The f16 are 8.2mm in diameter and I think the f7's are 5.25? The set up I tried was:
40 chokes
120 holders
65 idle jet
f16 tubes
170 mains
225 airs

The set up was too lean, a lot of popping through the pipes. I switched to f7's with 165 mains and 200 airs. Popping was gone but above 2500 rpm it ran like crap. My guess it is still a little lean. I'm going to try 170 mains and see what changes.

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Snakebit

Last edited by Snakebit; 11-12-2008 at 12:42 PM..

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