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      11-30-2012, 11:17 AM   #309
AK 335i
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Drives: black 335i E90
Join Date: Sep 2012
Location: boynton beach

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Originally Posted by View Post
Maybe you missed the data they posted? The OEM pump would drop low pressure to 45psi at peak HP. The Walbro holds it at 70psi to peak HP. The siphons, fuel level sender, etc, are all the same as stock. The same amount of fluid is used to run the passenger and drive side siphon as stock as the venturi jet is unchanged and the pressure (which is regulated by the regulator) is unchanged.

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