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| missing at high rpm http://www.woodsbuggy.com/phpBB3/viewtopic.php?f=3&t=6180 |
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| Author: | RodKnocker [ Mon Mar 30, 2009 12:54 am ] |
| Post subject: | missing at high rpm |
ok i put together my 1776 due to a problem with my 1835. wide open it starts missing. well i thought maybe i broke a ring so i put together the 1776. still does it. when i had it torn apart i looked for cracks in my head. checked all the valves. lashed and re-lashed and re-lashed and re-lashed the valves. i got brand new plugs, wires, cap, rotor. cleaned carbs. when i take my cap off i can twist the rotor so i know that advance isn't froze up but how far is it suppose to turn?? ive heard bad things about 009's collecting everything u don't want. i dunno i am getting ready to burn the thing. i hope its nothing internal. please guide me in the right direction 1776, c-35 cam, 009 dist, empi elec. ignition, stock coil, stock heads, stock rockers, stock pushrods, dual weber 44's |
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| Author: | hillaholic [ Mon Mar 30, 2009 1:47 am ] |
| Post subject: | Re: missing at high rpm |
It could be carb problems or timing. What’s your timing set to at full advance? It shouldn’t be more than 32 degrees at 3500 rpm. What do you're plugs look like? I had the same problems with my 1915 and dual 44idf’s. I had to get smaller venturi’s (I think 32mm) and re-jet it to get it to run without puking from fouled plugs. |
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| Author: | RodKnocker [ Mon Mar 30, 2009 2:11 am ] |
| Post subject: | Re: missing at high rpm |
ive ran this setup before so i know i don't have to rejet the carbs. plugs look awsome. i was thinkin i would find something when i pulled them but they are all a tan color. im not sure what my timing is. i remember setting it at 28 degrees at 3k rpm. when it happend i was screaming up a hill in 2nd gear wide open as loud as she could scream. got to the top and had a beer then took off, never ran right after that. not only is my buggy ugly now but now its slow. |
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| Author: | Roy [ Mon Mar 30, 2009 10:38 am ] |
| Post subject: | Re: missing at high rpm |
RE-CHECK timing. Set it at 32 degrees at 3,000 rpm. |
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| Author: | chris38375 [ Mon Mar 30, 2009 9:38 pm ] |
| Post subject: | Re: missing at high rpm |
also try a whole new distrubtor,i have seen them go bad |
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| Author: | buggiejunky [ Tue Mar 31, 2009 12:43 am ] |
| Post subject: | Re: missing at high rpm |
i just had one do the same thing it was the pick up in that 009 runs fine on the bottom but gets a false reading at about 3500 to 4000 grand on at wfo |
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| Author: | RodKnocker [ Tue Mar 31, 2009 8:22 am ] |
| Post subject: | Re: missing at high rpm |
ok. what if my tach started acting funny. is that because the tach is junk or is something in the dist giving it a false reading. |
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| Author: | redrail1915 [ Tue Mar 31, 2009 4:46 pm ] |
| Post subject: | Re: missing at high rpm |
it could all so be the tach but if it a 009 change the distrubtori had two go bad in two month |
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| Author: | buggiejunky [ Tue Mar 31, 2009 7:52 pm ] |
| Post subject: | Re: missing at high rpm |
if u think it could be the tach unhook it and try it its one wire but ill put my money on the distributor |
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| Author: | buggymaster [ Tue Apr 14, 2009 1:35 pm ] |
| Post subject: | Re: missing at high rpm |
chek your intake make sure its tight that will cause it to miss may be a dead spot in the carb |
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| Author: | Firebug [ Tue Apr 14, 2009 2:54 pm ] |
| Post subject: | Re: missing at high rpm |
buggymaster wrote: chek your intake make sure its tight that will cause it to miss may be a dead spot in the carb Along with this idea is some intakes have a metal tube pressed into aluminum cast. At this point they may leak. I have seen JBweld put in the junction to better seal it. |
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