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Old 03-05-2004, 08:22 AM
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Turbocharging with a carb

While I never built a turbocharged motor I like to follow along. I don't have plans on building one either at this time. But I'm curious about something. Everytime I see a blow through set up with a carb, a Holley d.p. is used. I fully understand why and why a vacuum operated secondary would be more trouble to set up. In fact, many years ago I read about someone who did a blow through and forgot about the vacuum canister. When boost came on, the secondaries were stuck open!

I also know that typically, a d.p is not a hot set up for most street applications and that a vacuum secondary carb is better. And that turbo motors are about torque. Basically it seems that a turbo motor would be better suited with a carb that not a d.p. style, to me.

OK, now I going into dangerous waters here, has anyone ever used or thought about using a Edelbrock/Carter carb with blow through design? Since it has no diaphram to get pressurized ot blown out and that it relies on air going throught the carb to regulate the secondary operation and not a vacuum signal, that it may be suited to this. Please, I'm not trying to start a Holley vs Edelbrock debate, just wondering if the Edelbrock/Carter design would be suited for this. And if anyone has done this, how does it work? Thanks.

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Old 03-05-2004, 08:30 AM
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Studebaker did some work with other types of carbs back in the early to mid sixties, both blow thru and pressurized units.
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