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impco 425 for blow through 3

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lcturblow

Automotive
Joined
Mar 5, 2007
Messages
2
Location
AU
hi i was wondering if anyone has used the impco 425 as a blow through. i have a 4.2 landcruiser with supercharger
and each time i put the hat on it suck's the diaphragm
open and stall's engine any help would be welcomed

 
I don't know anything about the impco carb, but on gasoline carbs one successful method for blow-through is to put the whole carb in a pressurized box so you still maintain the necessary pressure differentials. This would work if your diaphram is referencing atmospheric pressure.

ISZ

I have included these links for the pictures.
 
Hello,there is a balance plug on the carb. You need to put a line from this hole and connect it to te pressure side above de valve so de pressure is the same above and onder the valve. I hope this solves your problem. greets from The Netherlands.


 
thank you vibbetje this sounds like the answer i have been looking for very helpful.thank you lcturblow
 
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