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Unread 08-06-2013, 07:17 PM   #1
Slugo
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Weber Carb goes "poof"

After putting in new rear main seal, taking off distributor and priming the oil pump I quickly(late for work) put the distributor back on. After a minute or so of trying to crank it over, I knew I put dizzy in wrong spot. Put it back in correct and timing marks lined up but now about every 3-4 seconds I get a "poof" or Pop of white cloud out of carb. Ran fine before all this (except for oil leak). Is my timing still off? Don't want to keep cranking it. 83 cj7, 4.2, Weber 32/36 with with MSD6al

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Unread 08-06-2013, 11:10 PM   #2
SoK66
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Not sure why you had to pull the dist. to do a main seal job, but I'd say the timing is off. Double check to ensure #1 is at compression stroke TDC when dist. is firing #1.
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Unread 08-06-2013, 11:13 PM   #3
paveland
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X2

I would start timing it from scratch and make sure number one is TDC
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Unread 08-10-2013, 12:29 PM   #4
Slugo
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Quote:
Originally Posted by SoK66 View Post
Not sure why you had to pull the dist. to do a main seal job, but I'd say the timing is off. Double check to ensure #1 is at compression stroke TDC when dist. is firing #1.
I pulled the dist to prime the oil pump and all the passages after I put the oil pan back on and filled it up with oil. I did verify #1 @ TDC on compression stroke and timing is good. The puff of white smoke comes out of the passenger side of barrel on carb and getting some black colored gas forming at top of barrels, though not a lot. Still won't fire up. It's getting gas and float bowl has gas.
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Unread 08-10-2013, 02:59 PM   #5
LumpyGrits
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Real easy because of the dizzy's drive gear helix to be 1 gear tooth off on the correct indexing. BTDT......
LG
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Unread 08-10-2013, 03:43 PM   #6
Slugo
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Ok, so despite my mark lining up at about 8 degrees advance, i'll loosen the distributor bolt and turn it a little and give it another shot.
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Unread 08-10-2013, 03:50 PM   #7
LumpyGrits
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IF you mean to re-index the dizzy drive gear, YUP.
BTW, The REAL Factory Service manual(FSM)shows you how to do this.
Good luck,
LG
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