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05-11-2014, 11:45 PM
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#5 |
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Senior Member
Join Date: Feb 2011
Location: Moncks Corner,S.C
Posts: 292
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I wouldn't go as big as a 850dp but a 750dp would be good.The 670 could be tuned in also,but would lose in the upper rpms.Vacuum secondary carbs take some work to get right.I have a 3310 750 vac sec I would get rid of also.I has been worked over with a secondary metering block instead of a meter plate.So,the secondary jet can be changed like the primaries.If the carb has a dead spot off idle,the acc pump needs adjustment or a larger squirter be added.First that should be done is set timing.Then adjust idle vacuum,metering block vacuum screws,with a vacuum gauge.After that is set then play with carb adjustments.The acc pump adjustment at WOT should be .015-.020 clearance.
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1964 Impala 468BBC,T350 transbrake,4.30 9",10 point and 10.5 M/T's 1996 F250 4X4 12V Cummins,compound turbo 63mm over 75mm,cam,520cc pump,full billet 4R100 563hp&936ft.lbs w/a bad fuel pump and on a dynojet...just an old hunting truck 
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