carby size gurus?

**atcmatt** · 05-15-2010, 06:03 AM

Just wondering how you can tell the size of a carby? Is it the slide diameter or the inlet throat diameter? If I post some serial numbers would anyone be able to identify mine? Just trying to figure out what I have before I order a new 38mm for my stroker motor.

Thanks Fellas.

Matt

**atcmatt** · 05-17-2010, 02:10 AM

Surely there is someone on these boards that know? please help me, i dont want to order a 38mm when i may already have one.. Its definately not a stock 34mm... BUMP

**Racerguy381** · 05-17-2010, 02:46 AM

Its measured by the bore of the mounting flange all the way through the carb body. If you go to www.sudco.com they have some usefull information in the catolog pdf. I know some companies will actully change the serial number which makes it hard to identify. If you do have them it wouldnt hurt to know what they are, I do know what some of them mean.

**atcmatt** · 05-17-2010, 05:06 AM

Thanks, the bore size measures 37mm? Didnt know there was a 37mm carb? The numbers are... 40DAVH then some weird symbol.

**Racerguy381** · 05-17-2010, 02:16 PM

Its most likely a 36 or 38mm carb Im not familure with the #'s you gave though

**atcmatt** · 05-18-2010, 01:11 AM

thanks mate. matt

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carby size gurus?