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> Carb questions?, Will idf 40's keep up?
914_classic
post Oct 26 2011, 03:48 PM
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I'm starting a 2.0 build and I have set of idf 40's but I don't know if they'll keep up. It's going to have the biggest cylinders and pistons I can buy in it with a knife edged and balanced crank, port and polished heads, big cam... Blah blah blah. I have a set of IDF 40s and I am wondering if they will be able to keep up. Any help would be appreciated.
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914_classic
post Oct 31 2011, 08:29 PM
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I am an engine builder and have enough knowledge of aircoolers not to melt the thing. its just going to be a large displacement four that derived from a 2.0 four cyl. I get almost all of my performance stuff at cost so it will be done big and be done right. id like to know more about the formula and whatnot for calculating the correct venturi size. this will be a higher rpm racer. its headed for prepared rear wheel drive rally cross and eventually historic class in rally america.

if the 40s wont feed these they will go on my 1.7 to get her running (serious electrical issues going on in the d-jet system).

thanks so much for your help
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