JelmerE12-E28
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Good news! I worked on it again this evening and now it runs way better! I backed of the throttle screws (like Steve described in his tread) and turned in the idle mixture screws and backed them out again 2,5 turns. I also backed out the smaller screws next to the idle mixture screws 2 turnes.
Than I've put on the adapters and synchrometers and started adjusting with the idle mixture screws. Weird thing is that I could back out the rear one completly whitout affecting the vacuum! So I turned them in completly and started from there. When I had the vacuum equal in both it ran pretty smooth and at about 700-800 rpm. Than I re-connected the throttle linkage on the rear carburetor and adjusted it to be equal again. After that I turned up de the rpm's with the screw on the throttle linkage and adjusted the linkage to make vacuum equal again. Than checked idle again and higher rpm's again. It ran beter and beter! I was short on time so had to quit but I'm happy with the result so far. Between the adjusting I blipped the throttle some times to see if there where any differences.
After all this I've put the aircleaner back on and drove home. I drives more smooth and the fluctution is almost gone now. Also, when it gets back to idle again (When entering a corner or when waiting to make a turn) it goes right away to the 700-800 where it is set instead of some hesitation or dropping to 400-500 rpm and than climbing to 1000 rpm.
Now it is time to make small adjustments! Is it wise to hook up both the vacuum gauge to the ports under the throttle blade and the synchrometers in the adapters over the carbs?
Than I've put on the adapters and synchrometers and started adjusting with the idle mixture screws. Weird thing is that I could back out the rear one completly whitout affecting the vacuum! So I turned them in completly and started from there. When I had the vacuum equal in both it ran pretty smooth and at about 700-800 rpm. Than I re-connected the throttle linkage on the rear carburetor and adjusted it to be equal again. After that I turned up de the rpm's with the screw on the throttle linkage and adjusted the linkage to make vacuum equal again. Than checked idle again and higher rpm's again. It ran beter and beter! I was short on time so had to quit but I'm happy with the result so far. Between the adjusting I blipped the throttle some times to see if there where any differences.
After all this I've put the aircleaner back on and drove home. I drives more smooth and the fluctution is almost gone now. Also, when it gets back to idle again (When entering a corner or when waiting to make a turn) it goes right away to the 700-800 where it is set instead of some hesitation or dropping to 400-500 rpm and than climbing to 1000 rpm.
Now it is time to make small adjustments! Is it wise to hook up both the vacuum gauge to the ports under the throttle blade and the synchrometers in the adapters over the carbs?