install a throttle return spring
06-02-2009, 02:57 PM
#1
install a throttle return spring
06-02-2009, 04:53 PM
#3
Tech Master
iTrader: (11)
Good article, but there are some vehicles (like my 8ight) where you can end up with the carb stud turned down towards the chassis, depending on your engine. This makes it hard to run an actual spring, esp. if you're running a composite carb. This is because the spring will pull on the carb at an angle and can bind the carb and cause burrs on the slide and/or idle screw. What works best for me in this setup is a small hair "ponytailer" or similar. I can put it at the base of the carb, and it's both level with the ballstud and in line with the carb center, and it pulls the carb straight back.
06-02-2009, 05:05 PM
#4
yea i like to know how do u install one on a losi eight with the carb rotated at a angle .
06-02-2009, 06:03 PM
#5
Good point cjtamu 
06-03-2009, 10:46 AM
#6
Good article, but there are some vehicles (like my 8ight) where you can end up with the carb stud turned down towards the chassis, depending on your engine. This makes it hard to run an actual spring, esp. if you're running a composite carb. This is because the spring will pull on the carb at an angle and can bind the carb and cause burrs on the slide and/or idle screw. What works best for me in this setup is a small hair "ponytailer" or similar. I can put it at the base of the carb, and it's both level with the ballstud and in line with the carb center, and it pulls the carb straight back.
06-03-2009, 10:51 AM
#7
use goodys ouchless clear bands .
available in the hair care aisle
they are the best throttle return spring i have ever used , i include them on most of my engines .
would you like a pic ?
yes it works with losi too
available in the hair care aisle
they are the best throttle return spring i have ever used , i include them on most of my engines .
would you like a pic ?
yes it works with losi too
Last edited by houston; 06-03-2009 at 11:04 AM.
06-03-2009, 10:56 AM
#8
You should try a rubber band. I have noticed and so have many other at my local track, that the barrels wears out fast. The spring try's to twist the barrel as it goes in and out. Some have had the carb lock open and having a run away to deal with. Also the springs looses tension over time, so the barrel wont close every time.
06-03-2009, 11:03 AM
#9
You should try a rubber band. I have noticed and so have many other at my local track, that the barrels wears out fast. The spring try's to twist the barrel as it goes in and out. Some have had the carb lock open and having a run away to deal with. Also the springs looses tension over time, so the barrel wont close every time.
06-03-2009, 11:07 AM
#11
GMK RETURN BAND
06-03-2009, 11:44 AM
#13
Dynamite makes a throttle return spring bent specifically for carbs - the big hook side goes around the high end needle, and the small hook goes around the carb's ball link. I have them on both my 8 and 8T 2.0's, they work great: Click here for part number DYN6640
06-03-2009, 11:48 AM
#14
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One thing I started doing - I saw it mentioned in another thread somewhere so I am not taking credit for the idea - was to replace the set screw that holds the carb ball on the end of the barrel, with a short allen bolt. That way, you have something to wrap the pony tail band around without having to risk taking up space that the throttle linkage needs to "pop" onto the carb ball. It works great and is way too easy to do. I have done this to all my engines.
Just use enought bands, or double them up, or whatever it takes to get the servo/carb to close all the way when the power is off, without being too tight to cause unneccessary stress on the servo or bind on the carb barrel.
Just use enought bands, or double them up, or whatever it takes to get the servo/carb to close all the way when the power is off, without being too tight to cause unneccessary stress on the servo or bind on the carb barrel.
06-03-2009, 11:48 AM
#15
Tech Master
I do the same as Houston only different, Around the HS needle housing across front of carb & around ball end pull.
Sharp corners on carb dont seem to cut those things & it takes nitro a month or more to turn them yellow & loose tention,brake cleaner dont melt them either.
I use 1 band but have seen people use up to 3,not sure why but what ever makes you feel good.
Sharp corners on carb dont seem to cut those things & it takes nitro a month or more to turn them yellow & loose tention,brake cleaner dont melt them either.
I use 1 band but have seen people use up to 3,not sure why but what ever makes you feel good.
