01-27-2017, 09:32 AM
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#10 (permalink)
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A True Z Fanatic
Join Date: Mar 2010
Location: GUAHAN
Posts: 1,198
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Quote:
Originally Posted by phunk
The trouble with the Walbro 400 or 450 upgrade is that it entails removing the internal fuel filter of the pump module, therefore having to add an external filter. This about doubles the fuel system plumbing work to be done, and is overkill for the stock engine.
Personally I would not do it unless I already ran out of fuel with the Aeromotive 340, or had pending plans to outrun that pump within the next year. There is a lot of work and money saved by using the S1 or S1-S system with a stock filter and an Aeromotive pump.
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Wow....I was considering the 450 pump....but after reading this and hearing from others that it's "harder" to install in the factory pump assembly due to its size I guess I'll be going with the 340lph Aeromotive Stealth with the CJM S1 SE Fuel System Kit.
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