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05-22-2018, 04:17 AM
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#4 |
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Registered User
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,375
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Re: carb tuning question
I'd say we first need to know the model number of the carb you are dealing with.
Is this an original out of the box carb or is it an older carb that possibly someone mixed and matched parts on? Yes the highest vacuum reading you can get is normally what you want that and a steady vacuum reading. Normally secondaries don't have an idle mixture system in them. In the past I have mixed and matched Holley parts to build a carb that didn't exist But I don't know if a primary metering block can be put on the secondary side.
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Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around. |
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