Left side continues to misfire

[Big Blue]

ALASKA!!

 

I'm leaving at 6am and won't get back until next Saturday.  I've really had no time to mess with it cause we've been so busy getting things covered before we leave.

 

Thanks for the help and i"ll holler when I get back.

Scott

380033[/snapback]

 

Man you are always taking kick ass vacations

[Brocster350]

I'm still going nuts.  Left side is not firing. 

 

I checked to make sure the coil is putting out spark with a timing light.  I went up to a 215 in the single 35mm carb, then stepped down to a 185.  I've gone from EEK in the fifth, to DEK in the third. 

 

I swapped plug boots to see if it followed the boot, nope it doesn't.  I've swapped several new plugs in to make sure it's not fouling out for some reason.  When I pull the plug, I see plenty of spark and there's fresh unburnt gas on it. 

 

I've pulled the intake twice to check the VForce reeds and all.  Nothing stuck in there, the reeds aren't broken or anything.  One side (can't remember which side now) is slightly open, less than the width of a penny tho.  I can just barely see daylight through the one, but I didn't think that would make much difference.

 

I was having trouble idling, but got that all figured out.  I haven't performed a compression check, but will in a few.  The top end was just put in in Dec. and I have maybe 5 hours on it, so I highly doubt the compression has dropped, but who knows.

 

I also used Propane gas and went over the left side completely hoping for an obvious air leak, but of course, didn't find anything. 

 

The only other thought would be a crank seal, but it ran perfect the last time it was used, maybe 2 to 3 months ago.  I did change from the Trinity intake to the Graydon with an open pod filter, but I can't figure out why one cylinder would run differently than the other with a single carb setup, other than an air leak or reed issue.

 

The left pipe is loose where it joins the stinger.  I wrapped paper and taped it to keep the oil from squirting out, and figured I'd deal with it after I get her jetted and running good.  Don't think that'd make much difference, do you?

 

I'm about to start richening again, but I'm just getting more pissed and more pissed.  TIme to stop and grab a margarita.

 

Scott

 

376474[/snapback]

 

My friends bansh had the same problem I think. Had O.K compression but it end up being a broken ring.