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Registered
Join Date: Mar 2003
Location: Redmond WA Can anyone help me with my snorkle mod?
Posts: 245
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Advice on throttle conversion.
I have the TBs off of '77 and a '81 924s. One is going back into the '77. Which one should I use?
Both are dual bore. The older, origional one has measurements om 32.5mm and 40mm. The new one measures 35mm and 45mm. Also the older one has a small (~3mm) hole in the smaller butterfly.
Are they interchangable? Should I go with the one with the bigger bore? Will the little hole matter? Also, the million dollar question, will the bigger one give me better HP. Any feedback would be great. Thanks guys!
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'77 924 - Metallic Blue - enlarged TB/ intake
'99 Specialized HardRock - Blue/Silver - Jett C Shocks - Cat Eye Velo computer
If it ain't broken, drive it until something is.
Have you spent quality time with your Engine Gnome lately?
Defend Your Joy
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