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Tech & Fab
Cooling problems on my yj
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<blockquote data-quote="Luckyhoss" data-source="post: 294935" data-attributes="member: 5284"><p>I chased these same cooling issues on my bbc 454 with a Holley pro jection set up. New thermostat, new shroud, changed the pully size on the water pump, took the hood off. Made sure my timing was right. Each experimental change was followed by a trail ride that ended up hot. </p><p></p><p>My fuel pressure guages are mounted under the hood and at idle would be fine. Sitting behind the skinny pedal I didnt think about fuel pressure. My fuel pump apparently had gotten weak and was starving the engine for fuel. I replaced the fuel pump and haven't had a cooling issue since, just a happy happy happy 454.</p></blockquote><p></p>
[QUOTE="Luckyhoss, post: 294935, member: 5284"] I chased these same cooling issues on my bbc 454 with a Holley pro jection set up. New thermostat, new shroud, changed the pully size on the water pump, took the hood off. Made sure my timing was right. Each experimental change was followed by a trail ride that ended up hot. My fuel pressure guages are mounted under the hood and at idle would be fine. Sitting behind the skinny pedal I didnt think about fuel pressure. My fuel pump apparently had gotten weak and was starving the engine for fuel. I replaced the fuel pump and haven't had a cooling issue since, just a happy happy happy 454. [/QUOTE]
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Cooling problems on my yj
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