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Hey Spyder Mike

The car will be driving fine when your on it hard then it will start starving for fuel. I also get popping out of the exhaust when I let up after being on it hard or once it's warmed up & you're coming to a stop. I went to Tom's post from 3/02/05 about 44 IDF synching and learned a lot. Everything you guys were talking about me and my guy went through with the exception & my aircooled guy mentioned I try next is cleaning out the gas tank. I took it off yesterday and boy was there a lot of crap floating in the tank. The car has sat all winter and spring. I cleaned it out yesterday. I'm going to reinstall it today with new filters, and I'm also going to blow out the fuel line. My guy installed an electric fuel pump up front by the gas tank to aid the mechanical one. He also mentioned the fuel line is about a 5mm. That seemed small to him for a 175hp motor. Do you run a 1/4" or 5/16" fuel line? Should I put one on while it's apart? He suggested I do.

Have a great 4th Spyder Mike.

Tony
Tony,

I am not sure about needing an electric and mechanical pump. What fuel pressure/flow is the electric pump putting out? Any idea?

You might want to check the carb inlet sceens for crud also and clean them out when you hook everything up.

I use 1/4 inch line.

Keep us posted...
regards,
Mike
Where are the carb inlet screens located? I cleaned the tank; it was dirty with a lot of crap floating around. I installed a 5/16 fuel line. I just test drove. It's like jekell& hyde. It runs greatvand hard then starts hesitating and popping. I went to the 44 IDF synch post. I'd like to adjust the carbs. I believe it is running to lean. My aircooled guy adjusted it that way.

Tony
Thanks guys for the help. I located the carb inlet screens and cleaned them. They weren't really dirty; they had a couple floaties. The way it is acting, it's running really good than starts running lean like it's starving & popping out the exhaust has to be some kind of something in the carbs. I mean if the timing was off or the valves were off or the spark was bad it would run crappy all the time. Yes no? Help.

Tony
I have always been told to suspect carbs last. Check everything else first. Alot of other problems will seem liek the carbs, but aren't. My opinion as passed down to me...

I do the valves first then points when the engine is cold, then I check timinng when warming it up, and lastly mess with the carbs.

Mike
My fuel pump (two of them actually) went bad all of a sudden. With the original Brosol, the horizontal pin that allows the rocker thing to move up and down just fell out leaving me stranded right away. With the replacement Carter unit, the diaphragm ruptured, again leaving me stranded immediately. So far, the replacement Brosol works fine, but I keep a spare in the car, and will go to an electrical unit as soon as I can pay for the other repairs that have been plaguing me (and my checkbook) lately. v v
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