Re: mail Digest for 19 Dec 2004 in hour 0:00Z
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Re: mail Digest for 19 Dec 2004 in hour 0:00Z



On Sun, 19 Dec 2004 farna@xxxxxxx wrote:

> Draw through really isn't a good idea for low boost (15 psi or
less) systems. For one thing the fuel mixture can erode turbine
blades, but the main problem is in the even of a backfire. BOOM
goes the turbo! Most carbs can take 5-10 psi with little of
no leakage, aftermarket Holleys can take 20 psi and have been
run at 25 psi WITHOUT a pressurized box, but 25 psi is pushing
it. Blow through is the SAFEST way to go, and just turns out
to be the easiest.

It seemed like blow-through would eliminate a lot of the problems
I read about with pressure equalization in the carb; backfire
pop-off valves don't sound too hard to do, but corrosion I
admit I never thought of.

I haven't done any serious research, since it's all so far off
right now. Trans is coming, valve cover etc when I get pd in Jan,

hopefullyt in the car before Feb!




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