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luvit80
 Post subject: Quick Fuel Technology
PostPosted: Fri Jul 14, 2006 11:32 pm 
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LUVTruck.com Lifer
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Joined: Fri Jul 14, 2006 10:48 pm
Posts: 667
Just installed a QFT 750 double pumper carb on my luv. I cant get rid of the huge bog off idle. Had 780 vac secondary and had no problems. the carb is in tune I did it and had a friend check. I tried the primary pump nozzle off the vac secondary changed 33 to 37 with no luck. Do I need to go smaller on the pump nozzle because it is a double pumper? I am a novice with a DP carb is there any pros out there? Maybe secondary cam adjustment it has the pink one. Have got 550hp 383ci it has run 7.40 several times in the 1/8 with the vac secondary on 9inch street tires through the mufflers.
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tj white
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PostPosted: Mon Jul 17, 2006 5:51 pm 
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Joined: Wed Apr 12, 2006 2:24 pm
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Location: Hermiston,Oregon
8O You should have stayed with the vac. secondary carb, but try at least 6 deg. more timing as you now have to burn more fuel sooner. :?

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1978 pro street step/side 455Buick, 4sp,4.11s, 31/18.5s
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