1989 Alfa 33 1.7 QV Tuning - Alfa Romeo Forum
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(Post Link) post #1 of 5 Old 28-06-07 Thread Starter
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1989 Alfa 33 1.7 QV Tuning

Hello, having trouble tuning carbs. I've been told I need mercury gauges. Any body know where I could purchase these on the net!!! They are the Webber Carbs and can't seem to get anyone in my area ( Cork, Ireland) that can help.... Hopefully some body out there can point me in the right direction....before I sell the car in frustration Thanks, Piaras
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Re: 1989 Alfa 33 1.7 QV Tuning

Sorry to hear you are having trouble. I bought a four gauge (vacuum, not mercury) system that is designed for tuning multi carb motorcycle engines. I paid £40 via a local motorcycle repair shop, it works a treat.
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Re: 1989 Alfa 33 1.7 QV Tuning

I couldn't get anyone to touch mine when the carbs needed to be set up. I bought one of those colortune things and roughly balanced the idle mixture that way then fine tuned the butterflies by ear / feel / luck. I'm running delortos so dont know if it'll be as straightforward with the webers.

Hope you get it sorted.
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Re: 1989 Alfa 33 1.7 QV Tuning

not that it helps but............

My local (ex-Alfa) dealer has a set of mercury gauges specifically for doing this job- funny tho' when i asked them if they wanted to have a go at using them on my car - they all said they were busy for the next 6 months and shuffled away quickly!!!!

They did say that i could borrow them and have a go myself - but wanted me to leave a cheque for £1000 as an insurance against me breaking them!!!

I took my car and got it rolling road tuned, it runs sweet as a nut now




Last edited by Matt.K; 03-07-07 at 17:16. Reason: typo
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(Post Link) post #5 of 5 Old 05-07-07 Thread Starter
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Re: 1989 Alfa 33 1.7 QV Tuning

Ya sounds like it's a prroblem with them alright!! I've heard some one else mention rolling road before... Once I found two older mechanics that did it for me but they are not in business anymore....thanks for all the help anyway..Food for thought...Cheers, Piaras
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