Will a dellorto SHA work in high altitude?

soup325 said:
I have the 16.16 SHA carb and love it. remote choke version.

I use it with a reed valve, running a 100:1 mix ratio (ELF HTX909) at 2300ft above sea level and currently got a #45jet in it.

I used a gunson colour tune spark plug to find the bunson blue flame.

I think you can buy different slides for the SHA carb, that have different ramp angles. this will affect air flow at lower throttle settings, and i think it has an effect on the amount of vacuum it creates on the upper hole of the fuel delivery tube(i dont know the proper name).
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A #45 as in .45mm or drill bit size? 45 would be tiny compared to the 60-70 people on here normally use.
 
wow! their is no pleasing you. ever think a fatter needle would change A/F? just tell us what you want to hear and i'll repeat it for you. that carb is about as simple as they come. all that fancy stuff with a potato in the exhaust pipe. i thought goats head would have exploded by now. sorry guy's. dennis
 
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No need to be rude man, really no need at all. Just asking questions, don't apologize to others when all I'm here for is help. What do you mean by a fatter needle anyways?
 
needles come in different thicknesses and tapers. so you can have the same jet but will act different with a fatter or thinner taper. this is basic carb tuning 101. read up its all out their but you need to learn read spark plugs or you will live in 2 stroke **** forever. japaneeze carbs are alot more forgiving than the hi-po dellordo's READ UP AND LEARN. sorry but no one can pull a 2 stroke jetting answer out of a hat without a plug reading. your friend dennis
 
sorry if i upset you enough to PM me. treatland and 1977 mopeds sell all the stuff your need and the moped army will give you all the info your ever need on 2 stroke practice and theory. dennis
 
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