[Diy_efi] EFI Fuel Filters

[Dan]

I'm currently redoing the fuel lines/fittings on my '86 GM TPI system 350 chev, and something got me thinking.
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I have nice 3/8" feed line and 5/16" return line with AN8 and AN6 fittings. There is then the occational metric fitting such as the TPI, fuel pump and fuel filter.
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What has me wondering is the fuel filter as a possible flow constriction. The filter has M14 screw fittings with internal flare shape, yet the actual inlet/outlet hole inside the filter (in the flare taper is only 7/32" or 5.5mm ish). This is a OEM filter from an OZ Ford running 300+kw in factory form.
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So I guess question is, why such small holes in the filter when fuel lines are generally much bigger, or could I have run smaller fuel lines to begin with as this is all that is needed ?
Is there a EFI filter that has?larger in/out holes, I scoured through the Ryco filter catalogue and this was the best I could come up with (that had screw fittings) ?
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Thanks?? Dan
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