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  1. hemitt

    850 double pump issues HELP!!

    and i agree that it can get tunned with my car but im tryin alot of diff things not knowing exactly what the prblm is or where to look to find and ive tried alot of things ppl have told me but ive dumped way to much money in this 850 buying diff things to try i might just not have the ear and it...
  2. hemitt

    850 double pump issues HELP!!

    well the only reason im saying playing with the jets u gota think im at 4700 above sea level ur prbly at sea level so your stuff comes pretty close mine stuff comes for sea level so i havta to play with the stuff. yes ima throw carb on when i first get it to see where its at and how close/far...
  3. hemitt

    850 double pump issues HELP!!

    not sure if i wanna sell it just yet i got a 440 going in my duster this winter so i think ima try it one more time on that and see how it runs with more HP. but if im going to sell it ill let you know
  4. hemitt

    850 double pump issues HELP!!

    ok got tired of playing with the 850 so just ordered a 750 proform carb any advise on what jets i should start with or anything i should do or nothing i should do?
  5. hemitt

    850 double pump issues HELP!!

    ok so i took the squirters out of the 750 which is 35 prim.squirter 28 sec i tried it wit PV and still fell on its face. so i took Pv off and blocked it ran 79 prim 80 sec jets it seemed to help with the bigger squirters but still fell just not as bad so buy a kit of squirters and play with that...
  6. hemitt

    850 double pump issues HELP!!

    ok well went to preformance shop guy told me to take 45 power vavle and put in prim. and i put 75 prim 80 sec. still got prblm...its back firing out of carb first with black smoke then caught on fire... so i think i said before i had 50cc pump but i might be wrong which ever one is the smaller...
  7. hemitt

    850 double pump issues HELP!!

    im running a 2200 stall not to high... the squirters are hitting right when any throttle movement is goin on so not lacking on primarys i think its the transition when launching at 2k rpms and punching it at light it just falls on its face either lacking fuel? cuz like i said when i bumped the...
  8. hemitt

    850 double pump issues HELP!!

    o and also forgot i do have jet extensions and blocked off power valves and i know the fuel level is where its suppose to be take screw out and its right below hole.. and im in colorado 4700 above sea level incase jets seemed small lol
  9. hemitt

    850 double pump issues HELP!!

    ok first off i got a used 850 dp and put it on a 360 thats ehh mildly built. and when i put a load on it to launch at the strip it just spit and died. ok so thought it needed rebuilding so rebuild it and same prob. well i bought a new base plate, main body, metering blocks and fuel bowls so...
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