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Re: Stretched SU springs 1800 67

posted by  someone claiming to be Ron Kwas on  Sun Nov 12 03:33 CST 2000 [RELATED]

Jonathan;

Your assertion about airflow vs. springforce is absolutely correct...while configuring a single SU HS8 (2", from Jag.) for fuel metering duties in a turbocharged 122 a while back, at first(before installing a heavier force spring), the dashpot was too easily raised up by the (higher) airflow of the B18 through the single carb. After installing the new spring, the dashpot operated in its normal range (as opposed to wide open, where it doesn't have fine control), and the carb worked great. Buy new springs! BTW. I have some used clean for sale...cheap.

Mitten-The propensity for people to experiment with things never ceases to amaze me either, (hell, I might be one of those doing the experimenting - although I can honestly say I've NEVER stretched carb springs)...but then, if they didn't experiment, Wright bros would have never flown either!

Regards,





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