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SVTPerformance's Chain of Restaurants
The Distillery
Hard to start when Cold
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<blockquote data-quote="boost4me" data-source="post: 13844708" data-attributes="member: 135005"><p>dude! Me too, exactley! When I was still returnless, it wouldn't start when it was heat soaked... I had to de-pressurize the fuel rail and then it would start. It started perfectly when it was cold though. So this is one of the reasons we went return. Now its the opposite problem. Temperature doesn't seem to matter although in FL I have not tested sub-freezing temps. 40-50's is the lowest its gotten, and even when it was 70-80 degrees it didn't matter, same results. When I say won't start when cold I just mean first start in the morning when it hasn't run for a day or two.... and also... the longer it sits the harder it is to start. </p><p></p><p>So... I want to try and establish a pattern. I'm wondering if everyone having cold start problems is using a FORE pressure regulator. Please post what regulator your using and your current situation if any. </p><p></p><p>MalcomV8 is using Aeromotive regulator and has zero issues. </p><p></p><p>Also I have another problem, once its heat soaked I get delayed throttle response from idle. When its cold and running, throttle response is perfect. So riddle me that one too.</p></blockquote><p></p>
[QUOTE="boost4me, post: 13844708, member: 135005"] dude! Me too, exactley! When I was still returnless, it wouldn't start when it was heat soaked... I had to de-pressurize the fuel rail and then it would start. It started perfectly when it was cold though. So this is one of the reasons we went return. Now its the opposite problem. Temperature doesn't seem to matter although in FL I have not tested sub-freezing temps. 40-50's is the lowest its gotten, and even when it was 70-80 degrees it didn't matter, same results. When I say won't start when cold I just mean first start in the morning when it hasn't run for a day or two.... and also... the longer it sits the harder it is to start. So... I want to try and establish a pattern. I'm wondering if everyone having cold start problems is using a FORE pressure regulator. Please post what regulator your using and your current situation if any. MalcomV8 is using Aeromotive regulator and has zero issues. Also I have another problem, once its heat soaked I get delayed throttle response from idle. When its cold and running, throttle response is perfect. So riddle me that one too. [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Distillery
Hard to start when Cold
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