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Engine basics => Engine set up tips => Topic started by: larry jaconetta on June 28, 2006, 09:41:28 AM

Title: O.S. VENTURI I.D.....................
Post by: larry jaconetta on June 28, 2006, 09:41:28 AM

 <=I have a few venturi's for my O.S. 40, AND MY QUESTION IS -- WHAT IS A GOOD I.D. FOR MY FP-40(FOR STUNT)

                                                    LARRY J

Title: Re: O.S. VENTURI I.D.....................
Post by: Dennis Moritz on June 28, 2006, 10:34:38 AM

We in Philly use the .283 inside diameter with an OS needlevalve. See my post under the FP35 tree for the rest of our set up. This works for us. Lots of us.

Title: Re: O.S. VENTURI I.D.....................
Post by: SQ8s on July 01, 2006, 05:27:00 PM

OS 35-40 Like the .282 or 3
The 46 likes the  283-292 and a 5/8" stack with the ST or .156 Spray bar.  :D