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RE: new car - 12/29/2006 6:56 PM   
zack221


 

Posts: 696
Score: 100
Joined: 10/29/2006
Last Login: 1/20/2013
From: Jacksboro, TN, USA
Status: offline 		to tell if your to rich you can do the pinch test and this is the pinch test
Make ur engine run at idle then pinch fuel cable (engine will stall), but before it stalls it should rise rpm a bit. If it doesnt rise at all - u run too lean. If it raises hundreds of rpm - u run too rich.


cw means clockwise
ccw means counterclock wise


lsn-ccw richens and cw leans
hsn-cw leans and ccw richens
idle-cw opens and ccw closes

Set air gap of throttle 1.5 mm,(idle screw), HSN Cw til it bottoms out then 3 1/2 turn CCW. LSN Flush with the throttle housing + 1 turn cw. Try to start, will be runnin really rich, if it starts. Turn down idle speed, then adjust HSN cw til you have good acceleration to idle. if your idle speed rises, turn it down. May have to do a couple times. Last adjustment LSN, turn cw slowly til idle speed starts to rise. when it rises you're running lean, turn it CCW till idle speed just drops. Blip the throttle you should be acceleration ok with some smoke coming from the muffler.Lean the HSN 1/8 turn CW till your satisfied.



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(in reply to nitro_racer_1)
       Post #: 51

RE: new car - 12/30/2006 12:47 AM   
ehroof


 

Posts: 16486
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Joined: 2/28/2006
Last Login: 6/6/2013
From: howard beach, NY, USA
Status: offline 		to tell if your to rich you can do the pinch test and this is the pinch test
Make ur engine run at idle then pinch fuel cable (engine will stall), but before it stalls it should rise rpm a bit. If it doesnt rise at all - u run too lean. If it raises hundreds of rpm - u run too rich


Zack, this is for the low end needle adjustment

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RE: new car - 12/30/2006 3:20 AM   
pg22aw


 

Posts: 18
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Joined: 12/26/2006
Last Login: 2/17/2007
From: , UT, USA
Status: offline 		I have a few more questions....what do the high and low speed needles control....I know the part about richen and lean the fuel mix but is there anything else it does? And for the past couple days I have been able to start my car but it always cuts out when the throttle is pushed...

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       Post #: 53



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All Forums >> RC Cars, Buggies, Trucks, Tanks and more >> Redcat Racing Support >> RE: new car
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