I'm sure you guys have had the same problem. When I depress the accelerator to the floor, and it passes the kickdown mark, the car hesitates, and it stalls for a a couple of seconds, then it picks up and accelerates. Is there any way to alleviate this? I have noticed it more on my '71 than my '76 model.

I beleive both cars have the Weber system, but I'm not sure. Both have the famed K&N top mount air filter. Any advice is greatly appreciated.


Thanks!

I'm assuming that you have the weber 32/36 carburetor. It sounds like a problem when the secondaries are opening up. I'm not sure what could be causing a problem with the secondaries but that might be a good place to start looking for problems.

20 views and one response. Wow. What a board.




I bet if it was some nws I would have some responses.



*EDIT* MY 2002 HAS PUBIC HAIR GROWING IN IT! SOMEONE GIVE ME SOME ADVICE AS TO WHAT I NEED TO DO TO GET RID OF IT! Oh, and also some advice on that little hesitation thing might be nice too.

Well maybe nobody knows.

I know more about tii's than carbed -- the one carbed 02 i have has never done that. maybe try over at http://www.bmw2002faq.com

Like another poster said, it sounds like its hesitating when the secondary opens. I believe the 32/36 is known for this. Do a search or try google. There is alot of info on the 32/36.

my 32/36 will do the same thing but only when the engin isn't fully warmed up, once the temp guage is right in the middle, no problems

Fast5, when was the last time your carb had an overhaul? What jets are you running? What’s you timing/ignition like? Have you changed your filter(s)? There are many variables.
When I had a 2bl Solex it had a major flat spot at 2000rpm (you would nearly head-butt the wind shield, it was so savage) it would then punch through and run like a gem. I discovered the auto choke body was loose giving a big air leak. I tightened up the 3 screws that held the choke to the carb and problem gone.
I would start at filters (could be starving for fuel) put in a carb kit or at least pull apart and clean (a can of carb cleaner down the throat is NOT cleaning it). Check your jets and reassemble.
I now have a 32/36 weber with C.D’s specs (Float Level 40mm, PRIMARY - idle 60, main 140, air correction 145. SECONDARY - idle 55, main 170, air correction 175. Emulsion tubes: Primary F50 - Secondary F6) and it runs great no flat spots or hesitations. Good luck with it. Beaner7102

Fast5, when was the last time your carb had an overhaul? What jets are you running? What’s you timing/ignition like? Have you changed your filter(s)? There are many variables.
When I had a 2bl Solex it had a major flat spot at 2000rpm (you would nearly head-butt the wind shield, it was so savage) it would then punch through and run like a gem. I discovered the auto choke body was loose giving a <a style='text-decoration: none; border-bottom: 3px double;' href="http://www.qklinkserver.com/lm/rtl3.asp?si=92&k=big%20air&st=1" onmouseover="window.status='Search for: big air'; self.ql_skeyphrase='big%20air'; if(window.event) self.ql_sevent=window.event.srcElement; self.ql_timeout = setTimeout('ql_doMouseOver(1)', 1000); self.ql_isOverLink=true; return true;" onclick="if(self.ql_timeout) clearTimeout(self.ql_timeout); self.ql_isOverTip = false; ql_close******(); self.ql_skeyphrase='big%20air'; window.status='Search for: big air';return true;" onmouseout="window.status=''; if(self.ql_timeout) clearTimeout(self.ql_timeout); self.ql_isOverTip = false; setTimeout('ql_close******()', 1500); ">big air</a> leak. I tightened up the 3 screws that held the choke to the carb and problem gone.
I would start at filters (could be starving for fuel) put in a carb kit or at least pull apart and clean (a can of carb cleaner down the throat is NOT cleaning it). Check your jets and reassemble.
I now have a 32/36 weber with C.D’s specs (Float Level 40mm, PRIMARY - idle 60, main 140, air correction 145. SECONDARY - idle 55, main 170, air correction 175. Emulsion tubes: Primary F50 - Secondary F6) and it runs great no flat spots or hesitations. Good luck with it. Beaner7102

How's your fuel milage?

How's your fuel milage?
I get about 24mpg on the highway (stock motor (never touched), 4-speed, 3.64diff) and about 18mpg around the city (70% of my daily driving). Beaner7102

Beaner

You quoting your mileage based upon U.S. gallons (to give many on the forum a number that they can relate to) or imperial gallons like we use?

Richard

Beaner
You quoting your mileage based upon U.S. gallons (to give many on the forum a number that they can relate to) or imperial gallons like we use?
Richard
I'm quoting US Gallons, most of these guys have no idea on the imperial gallon (neither do I really) I prefer the L per 100km. Beaner7102

Imperial sucks till you star ordering pints at the pub. 20 oz is just the right size for 'pint' :)