BBC Air cleaner base
I changed from vacuum secondary Holley to a DP carb. The pvc tube on my factory base hits the secondaries. The factory L88 is the only BB that I'm aware of that had a DP holley. All the repo drop bases look the same and list as fitting all Chevy BBC with a Holley including the L88. What's different about the factory L88 breather that clears the secondary accelerator pump?
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