89 xj40 4.0 ltr external fuel pump
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11-26-2013, 01:17 AM
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89 xj40 4.0 ltr external fuel pump
Hi
Has anyone experienced any issues fitting an after market Bosch or similar external fuel pump? Some of them are running slightly higher psi around 48 etc but the regulator on the rail should just compensate it back to 45 with the surplus sent down the return right? They are half the price but good quality. Am I on track with around 45 psi? As from memory I'm sure my xj was running around that. Not sure of Lpm or lph ratings though?
Has anyone experienced any issues fitting an after market Bosch or similar external fuel pump? Some of them are running slightly higher psi around 48 etc but the regulator on the rail should just compensate it back to 45 with the surplus sent down the return right? They are half the price but good quality. Am I on track with around 45 psi? As from memory I'm sure my xj was running around that. Not sure of Lpm or lph ratings though?
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