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Holley vacuum sec diaphragm question |
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rebel skier 
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Joined: October-17-2014 Location: Middle Tenn Status: Offline Points: 776 |
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 Topic: Holley vacuum sec diaphragm questionPosted: October-23-2020 at 11:46am |
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I am ordering a kit to rebuilt my carb. My 4160 list is 9392 so the right kit is 703-33. Very few places have it in stock, but I am getting lucky and found it in TN.
My carb was rebuilt one time by National Carb during the boats life with the previous owner.
My thought is to go ahead and buy the vacuum secondary diaphragm. But I cannot find one that matches my list number. Anyone know which one to order? |
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Hotty Toddy lets go skiing!
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KENO
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Joined: June-06-2004 Location: United States Status: Offline Points: 11118 |
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Posted: October-24-2020 at 7:41am |
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You want a 135-2 diaphragm.
I have a 9392 hanging around and a measurement of the rod length is 1.875 inches from the bottom of the diaphragm to the center of the hole or 2.047 from the bottom of the diaphragm to the end of the rod if you have it in your hand to measure. Those are Holley's numbers for a 135-2. If you want to verify this take the measurement in the picture below. You don't have to disassemble anything on the carburetor to get this measurement. It's about 1.30 inches and that equates to the 135-2 diaphragm if you take things apart and measure the Holley way   |
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rebel skier
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Joined: October-17-2014 Location: Middle Tenn Status: Offline Points: 776 |
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Posted: October-24-2020 at 9:44am |
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Thank you Keno!
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Hotty Toddy lets go skiing!
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