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whos runnin 40/40 dfav and whats your jet sizes?


Guest Anonymous

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Guest Anonymous

my carb seems like the jets are too big. the adjustment screws are almost all the way in and if i squeek them out just a little tis rough running and smells too rich. was wandering if someone with this carb that is idling and running wel could tell me what size jets they have. thanks for any info.

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170/175 main/air with 60 idle with my Metric 2200 hiflo.

Use a CO meter and tune to 2.5% like a tii.

Also tune both barrels for max vacuum at idle (sync them) with a standard vacuum gauge.

I also plugged my secondary enrichment jets, there are TWO on a 40-40, instead of one on a 32-36.

Check float level as well.

My car runs nicely, nice transition at low speed, no lumpyness or lurching. I've also seen 27/28 mpg highway in warm summer air at 70mph with a 4speed and a 3.90 rear and 185/70 13s.

-Justin
--
'76 02 (USA), '05 Toyota Alphard (Tokyo) - http://www.bmw2002.net

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  • 5 years later...

Yeah, I know it's an old thread, but here's what I have:

Idle: 70

Mains: 180

Accelerator Pump Jet: 50

I suspect that these are a bit much for an otherwise stock engine, but the plugs are burning clean...

Curt

____________________
1974 Golf 2002 

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  • 1 month later...

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