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FUEL PUMPS


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when I reinstall my fuel tank with pump back in my 88 Eliminator which had the stock 4.0 but now has 96 4.0 that's now a 4.7 stroker.

 

will the original fuel pump be able to feed the stroker? I do still have the tank and pump from my 96 ZJ where the 4.7 started its life as a 4.0 came from.   

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Maybe fine, maybe not depending on the injectors and fuel rail you are using. The 96 and up engines use injectors that run 10psi higher than the earlier ones (31-39psi vs. 41-49psi), so you will need to swap to a later fixed fuel pressure regulator or go with an adjustable FPR from Hesco or similar.

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Doing some research I'm thinking on going to these Injectors ( Accell 150826 Fuel Injectors, 26 lbs./hr., 14.4 Ohms Impedance, 12 V,)

 

Than building my header from a Clifford header I had on a 300 inline ford 6cyl the stroker should be able to inhale and exhale without any restrictions

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