How do you start your /6 with carbs, Now with video |
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How do you start your /6 with carbs, Now with video |
PanelBilly |
Jul 2 2020, 03:48 PM
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#1
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914 Guru Group: Members Posts: 5,819 Joined: 23-July 06 From: Kent, Wa Member No.: 6,488 Region Association: Pacific Northwest |
I turn on the key and pump the fuel a few times. Repeat MANY times. I’ve tried just holding the fuel open about 50% but that normally only gives me a backfire. Once it starts I need to give it a little extra fuel for 30 seconds or so and in runs fine. Normally the first time I pull out in traffic I need to pump a bit extra. After that it’s great. Running PMOs
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Rand |
Jul 2 2020, 07:04 PM
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#2
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Cross Member Group: Members Posts: 7,409 Joined: 8-February 05 From: OR Member No.: 3,573 Region Association: None |
I turn on the key and pump the fuel a few times. Repeat MANY times. I’ve tried just holding the fuel open about 50% but that normally only gives me a backfire. Once it starts I need to give it a little extra fuel for 30 seconds or so and in runs fine. Normally the first time I pull out in traffic I need to pump a bit extra. After that it’s great. Running PMOs NO WAY you should have to do that. Either your technique is wrong or the tuning is off. Hoping you get answers. I don't know your choke setup, but it should be choked, no pumping, no rigamarole nonsense. Just start and run until it's time to take the choke off. Messing with the pedal should not be so necessary. In fact that's probably when you get the backfire. You once said you could build a RUF level build. Now's your chance to conquer. You should be able to start it with no pedals touched. Wouldn't FI be nice about now? (IMG:style_emoticons/default/tongue.gif) |
porschetub |
Jul 2 2020, 08:46 PM
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#3
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Advanced Member Group: Members Posts: 4,707 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
I turn on the key and pump the fuel a few times. Repeat MANY times. I’ve tried just holding the fuel open about 50% but that normally only gives me a backfire. Once it starts I need to give it a little extra fuel for 30 seconds or so and in runs fine. Normally the first time I pull out in traffic I need to pump a bit extra. After that it’s great. Running PMOs NO WAY you should have to do that. Either your technique is wrong or the tuning is off. Hoping you get answers. I don't know your choke setup, but it should be choked, no pumping, no rigamarole nonsense. Just start and run until it's time to take the choke off. Messing with the pedal should not be so necessary. In fact that's probably when you get the backfire. You once said you could build a RUF level build. Now's your chance to conquer. You should be able to start it with no pedals touched. Wouldn't FI be nice about now? (IMG:style_emoticons/default/tongue.gif) Another flaky answer Rand do you own a 911 powered car or a T4 on carbs ? no chokes on the 6 and even the 4 on carbs as most remove them. Early Porsche cars (356 ,912 ) had no mauual chokes as the good doctor deemed them as quote " parts you don't need "...end of story. I have 2 methods ; when not used for a while,5 pumps on the pedal and around half hand throttle, when used recently less pumps but no hand throttle. Back firing is a lean condition on starting caused by undersize idle jets or bad setup (vacuum),if all is good go a touch more rich on the idles,for example I'am running #52 but #50 is better but for ease of starting they work and no black plugs. The issue is the fuel bowls are vented so the fuel evaporates after sitting,I generally run "key on" for a short time for the bowls to fill again. Good luck. |
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