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 37xd seems to run rich 
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Post 37xd seems to run rich
Motor has seemed to be running rich it loads up sometimes and i can smell gas so I adjusted my valves and changed the plugs but nothing seemed to change


Thu Oct 21, 2021 6:32 pm
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Post Re: 37xd seems to run rich
A freer flowing exhaust may help counteract that, depending on what exhaust you are running currently.


Fri Oct 22, 2021 6:38 am
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Post Re: 37xd seems to run rich


Fri Oct 22, 2021 7:21 am
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Post Re: 37xd seems to run rich
Ooooo ok, check your fuel pump and make sure it is functioning correctly. Also, what size fuel line are you running?


Sat Oct 23, 2021 8:33 am
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Post Re: 37xd seems to run rich


Mon Oct 25, 2021 5:47 pm
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Post Re: 37xd seems to run rich
i would first do a health check. leaking valves, popped headgasket or a flat cam can all do this. does the oil smell like gas? tanks can swell and shove fuel into engine through vent line on top of hi pressure pump . aside from that its commen these days to have the vent line on the high pressure pump leak fuel into throttle body when the needle dosent seal on the seat. the hi pres pump has a needle and seat just like a carburetor. u can remove the small vent line and install a longer line to exit below the engine. then u can see if and when the pump is flooding itself


Tue Oct 26, 2021 2:37 pm
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Post Re: 37xd seems to run rich


Thu Oct 28, 2021 3:43 pm
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Post Re: 37xd seems to run rich


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Thu Oct 28, 2021 4:05 pm
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Post Re: 37xd seems to run rich
yessir it is


Mon Nov 01, 2021 2:49 pm
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Post Re: 37xd seems to run rich


Wed Nov 10, 2021 1:51 am
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