Technical > Engine Tech Forum
Dual Webber carb issues
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Buggytime:
Hi all,
I have dual Webber 44’s and I just started my car up after sitting for 2-3 years. The engine is running really rough. The engine was running perfect before I parked it, the carbs were freshly rebuilt and sync’d. The idle mixture screws on cyls 2&4 don’t make any change in the engine while stumbling at idle, mixture screws on cyls 1&3 have a great effect when turned in. I have pulled out the idle jets and mixture screws several times to blow them out but no difference. When I rev the engine up, it runs smooth when on the main jets around 2000-25000 rpm and up.
Any advice or other things to try?
3 weeks to the big show and I’m almost there.
Thanks
mitchy965:
check for a vacuum leak at your manifold gasket.
Buggytime:
Thank you all, problem solved!!!
mitchy965:
and....what was it?
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