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post #4 of (permalink) Old 01-28-2007, 11:37 PM
Ol Dirt Contractor
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On the OBS you can change the regulator spring or shim it. We ran ours up to 70 psi ..
Fuel Pressure Regulator Spring
(International) 1823643-C1 (federal emissions; 94-98
(International) 1825854-C1 (CA emissions; engine serial no. 201681-98

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Remember, nozzle size matters at the pump
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