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Guest Message by DevFuse

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Brat Transmission Problems

Brat Weber Carburetor Transmission Subaru

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#1 ajslacker


    Advanced Member

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  • Waynesboro, Virginia

Posted 23 September 2017 - 12:16 PM

I have a weberized 85 Brat with the 3 speed auto transmission. After a couple months I finally got it running. It idles kinda rough and i have to keep the timing fully retarded (literally) or it will stall out, but it does idle. I believe that there are no vacuum leaks so it shouldn't be that. My main problem is that it idles at about 1K and revs fine, but as soon as its put in gear the RPMs drop to about 500 and it splutters and shakes. If i give it any gas at all while its in drive or reverse it dies, no matter what i do. It seems as soon as a load is being put on the tranny/engine it dies. Does anybody know what would be causing this?

#2 Gloyale


    It's a sickness

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  • Corvallis, OR PNW

Posted 24 September 2017 - 11:08 AM

vaccum leak


Possibly to the modulator in the trans.

Also tagged with one or more of these keywords: Brat, Weber, Carburetor, Transmission, Subaru

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