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Racing Fuel Systems • View topic - 2x4 Carb tuning

2x4 Carb tuning

Re: 2x4 Carb tuning

Postby 1109RWHP » Tue May 11, 2021 3:49 am

The gizmo is an adjustable pcv valve.
http://mewagner.com/?p=444
The wire goes to the temp sensor for the electric fan.
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Re: 2x4 Carb tuning

Postby 1109RWHP » Tue May 11, 2021 4:05 am

So here is my metering block. There is no bleed in the very top of the angle channel but there is one slightly lower. I would assume I need to block it. There are no kill bleeds either.

Image
Image
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Re: 2x4 Carb tuning

Postby gntkllr » Tue May 11, 2021 3:34 pm

Are there "emulsion" tubes present? (flat top brass over main wells (inner) indicates tubes... cup plugs indicates no tubes)...
Eether either, yes, those should be blocked...
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Re: 2x4 Carb tuning

Postby 1109RWHP » Tue May 11, 2021 4:14 pm

No tubes, it has cup plugs on the top.
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Re: 2x4 Carb tuning

Postby RFSPHPbb » Wed May 12, 2021 5:32 am

cool deal. Who has a Holman-Moody manifold? here's my version of that
Attachments
IMG_20190318_161125.jpg
IMG_20190318_161622.jpg
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Re: 2x4 Carb tuning

Postby novadude » Wed May 12, 2021 12:54 pm

When you guys block those upper bleeds, do you drill a kill bleed in the angle channel? I just did a 1850-3, and blocked the bleeds with marine JB weld as described above. Decided to add some 0.021" kill bleeds in the more conventional angle channel location like a 3310 straight leg booster carb (though mine are smaller than the ~0.027" in those carbs). Haven't tested yet, so not sure if that was a good idea or not? LOL
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Re: 2x4 Carb tuning

Postby gntkllr » Wed May 12, 2021 11:35 pm

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Re: 2x4 Carb tuning

Postby novadude » Fri May 14, 2021 4:32 pm

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