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MG MGA - Crank case ventilation with a blower

All this talk about the need for ventilation of the crank case got me worried I have fitted the Moss Blower to my 1800 engined MGA. to keep the thing looking period I fitted the A front pushrod cover with a modified breather to the bottom of the engine bay. which is virtualy the same as a stock 1600. the std 1600 rocker cover with a large breather hole and tube. according to the superchjarger fitting instructions the large breather tube gets connected to a very small tube which enters the carb on the engine side of the throtle slide.(which must suck a lot harder than the std arangment in the Filter)

If as hinted the stock engine breaths by sucking in at the the top of the engine and venting out by a slight venturi effect at the bottom. or dose it vent out at both ends venturi out the bottom and a slight carb vacume at the top where the tube goes into the air cleaner.shurly the new arangement must suck realy hard.
So what should I do ?
I could attatch the large tube to the original air cleaner and mount it somewhere handy. (enabling loads of free breathing.)
But this would then need the hole blocking that enters the carb. Would this then have the effect of richening the mixture as there would be less air entering the engine after the jets have dispensed the mixture. Or should I assume that Moss R+D know what they are doing.
David swaine

This thread was discussed on 28/06/2007

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This thread is from the archive. The Live MG MGA BBS is active now.