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The fuel pump lobe on the camshaft on a BBC is alot larger in diameter and has more lift.(lift=how far is will move the fuel pump arm, just like camshaft lobe lift.) Keith ----- Original Message ----- From: "Sean Martinez" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Sunday, December 02, 2001 8:02 PM Subject: Re: [Chevelle-List] Fuel pump BE CAREFUL, READ THIS > > Replies to this message are sent to The Chevelle Mailing List > ------------------------------------------------------------ > > > Be careful!!!!!! > BBC and SBC fuel pumps are totaly different. They are by no means > interchangible. Dammage will result. do not interchange them. > Sean > > >From: Jim R Hunter <[EMAIL PROTECTED]> > >Reply-To: [EMAIL PROTECTED] > >To: [EMAIL PROTECTED] > >Subject: Re: [Chevelle-List] Fuel pump identification? > >Date: Sun, 2 Dec 2001 12:27:07 -0500 > > > > > >Replies to this message are sent to The Chevelle Mailing List > >------------------------------------------------------------ > > > >Thanks, Dale! > > > >On Sat, 1 Dec 2001 22:01:43 -0600 "396guy" <[EMAIL PROTECTED]> writes: > > > > > > Replies to this message are sent to The Chevelle Mailing List > > > ------------------------------------------------------------ > > > > > > Jim, > > > > > > GM catalog shows the following (sorry, I only go up to 71 on this): > > > > > > 6470424 - (type 40727) fits > > > 69 All (396) > > > 70 Chevelle w/Sp. H/Per. (396,454) > > > > > > 6470307 - (type 40768) fits > > > 70 Chevelle w/4BC (396,400) (exc. Sp. H/Per.) > > > > > > 6470570 (no type number given) fits > > > 71 Pass., Chevelle w/4BC (400,454) (exc. Sp. H/Per.) > > > > > > One of those two should work. BTW, the "type" is usually the > > > AC/Delco > > > aftermarket part number. If yours is originally an AC/Delco new or > > > rebuilt > > > unit, many times they have the "type" roll stamped into the edge of > > > the > > > mounting flange. I haven't used or changed a mech fuel pump in a > > > while, but > > > I'm pretty sure the sbc and bbc pumps mount the same and are > > > interchangeable...more or less. It depends on the position, size, > > > and > > > number of lines involved. I would also imagine that the bbc pumps > > > may have > > > a higher flow rate, but can't prove it. > > > > > > Dale McIntosh > > > ACES #1709/TC #92 Gold > > > 67 SS/67 Elky > > > http://www.dalesplace.com > > > > > > > > > > > > > > > > > > > > Does anyone know if fuel pumps have part numbers stamped on them > > > and if I > > > > could find/read one while the pump is still on the car? The > > > reason I > > > > need to know is this: I'm not sure what year/style pump I > > > currently have, > > > > so before I pull my current fuel pump off to replace it I want to > > > have > > > > the correct replacement on hand. > > > > > > > > The reason for the mystery is this: I have a 69 SS396 with a '72 > > > 402 > > > > engine & a 69 Q-jet in it. Also, instead of a 3-piece pump to > > > carburetor > > > > line, I have a single piece pump-to-carburetor fuel line. After > > > looking > > > > at the pump photos in an older Year One catalog, my pump visually > > > appears > > > > to have a shape like the 1971-1972 big block fuel pump that they > > > sell (as > > > > opposed to the shape of the 1969 big block fuel pump that they > > > sell). > > > > > > > > So, I'm leaning towards ordering a 1971-1972 pump, but before I do > > > so I'm > > > > wondering if I could expect to find a decodable ID number that > > > would be > > > > visible to me if I were to scrape off what looks like decades > > > worth of > > > > grease and grime on the pump while it is on the car. > > > > > > > > As always, thanks in advance for all the help I get on > > > this list! > > > > > > > > Jim -69-SS396- H. > > > > > > > > > ----------------------------------------------------- > > > To Unsubscribe please visit www.chevelles.net/list.html > > > To start a new topic, send mail to: [EMAIL PROTECTED] > > > > >________________________________________________________________ > >GET INTERNET ACCESS FROM JUNO! > >Juno offers FREE or PREMIUM Internet access for less! > >Join Juno today! For your FREE software, visit: > >http://dl.www.juno.com/get/web/. > > > >----------------------------------------------------- > >To Unsubscribe please visit www.chevelles.net/list.html > >To start a new topic, send mail to: [EMAIL PROTECTED] > > > _________________________________________________________________ > Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp > > > ----------------------------------------------------- > To Unsubscribe please visit www.chevelles.net/list.html > To start a new topic, send mail to: [EMAIL PROTECTED] > ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]
