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"Fuel cut" TYPE feeling in 87 GL W/Weber (SOLVED)
Posted 01 October 2004 - 12:28 AM
Now... it runs good at light throttle, but if I really floor it I seem to hit at like 4000 RPM or so what almost feels like a fuel cut, a wall if you will, the acceleration ceases. No odd noises come from the engine, no smoke or anything, it just feels funny.
Some thoughts of what maybe could be going on... comment PLEASE!
Fuel filter clogging?
Air filter clogging?
Coil crapping out, cant handle the volts of high engine load?
Same deal, but with fuel pump, cant handle high load?
Vacuum line repluming messing stuff up ( changed FROM a vac line between the base of carb and the intake TO a vac line coming from the carb and going to the disty advance)
Its carbed so I know its not a real fuel cut... but something is up... maybe it just needs adjusting though...
I've been getting like 20-21 MPG city.
Posted 01 October 2004 - 12:58 AM
Posted 01 October 2004 - 02:07 AM
to test this, take the air cleaner off, and take it out with the carb open and see what it does. mine ran awesome, so I went and got a round chrome air filter that worked with my snorkle base. problem solved.
if you run okay open, then your filter probably needs a cleanin'
Posted 01 October 2004 - 09:17 AM
Posted 01 October 2004 - 11:48 AM
Anyway I used to have the weber vac run straight to the manifold... maybe this confused the vac system I dunno, but it idled at like 1200 there.
It idles at 8-900 plumbed "correctly" with NO OTHER changes performed on the car.
Oh, one more thing... when I first had this stuff installed I blew a coolant line and got coolant over EVERYTHING before a rallycross... so therefore I had a nice soggy air filter, never cleaned it after that so it COULD be gummed up with coolant and dirt.
I'll try chaning the fuel filter and cleaning the air filter and see what happens.
Posted 03 October 2004 - 10:26 AM
Air cleaner removal actually made things worse!
So I changed the fuel filter. All is good all the way up to 6750 RPM :cool:
I wanna cut open the old filter and see how nasty it is inside. Its all muddy so I cant see through the plastic. My guess is the brief time I ran arco kinda messed up the filter though.
Posted 03 October 2004 - 02:12 PM
Ok, I'm done hijacking. Glad you got your problem solved.
Posted 03 October 2004 - 09:49 PM
I changed the filter a year ago, but it's possible that it could have gotten clogged again. There is only one filter on the ea82 cars, isn't there? I haven't seen another like on the ea81's.
Posted 03 October 2004 - 11:02 PM
The car lurched ONCE today... right after I started it to drive out the driveway. Only did it that once though... some of the junk may have made it to the carb though
It still runs way better though, like 99% perfect for now...
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