Switching carb base plates?

steel1212

Active Member
Jun 24, 2004
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Frankfort, Ky
Can I switch the base plate on my 670 street avenger with my 650 DP to bascially make my 670 a DP instead of a vacum secondary? The only reason I ask this is because the 670 is new and I bought it and has, well....bling and the 650 is used off ebay. I've opened up the 650 and everything looks good to go but I know my 670 doesn't need a rebuild and where I'm at with it as far as performance.
 
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I don't know if it will physically fit, but it would not fuction properly. The secondaries need an accelerator pump or they go lean before the main system starts to flow. Get a bigger air filter with a drop base and no one will know if your carb is shiny. I say put it on and see if it needs rebuilt, which is mostly gaskets anyway.