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I wrote: I've been thinking about this and have some mixed feelings. I'm not an engineer so comments/ criticism welcomed. A curved tip used to be called the 'inducer' the thought was, as I stated, a pumping aid. It may indeed work that way at low speeds. The problem I'm having is that a...

Curve can be thought of as an axial compressor for the basiclly radial design. It reduces shock loads at tips and helps air move into the turbo. Some are shorter(d) because more would reduce airflow( the curved aspect is starting to to close opening). Note- much of radial aspect is hidden from...

Thanks Jason. ERROR was between keyboard and chair. So 2.5"/2=1.25"x1.25"x3.14=~4.9sq inch x 15psi=73.5lbs.A lot less than the 117 I stated - but still a factor. I'll skip the stem as the valve size is a guess. Ken, I might have to [respectfully] disagree with fuel efficiency being #1. For...

This may intrest some. My D is Switzer 3DM

Thanks for the photo Lee. group, This (turbos)may be my favorite topic. I am just getting into the deuce turbo upgrade so don't want to come across like a 'know it all'. I'm more interested in power than whine. Here are some of my thoughts. Swapping parts is easy. The engineering has already...

Lee wrote- Tired so hope not too many mistakes- I always thought the pistons were the weak link.The LDS pistons are supposed to be stronger to handle its higher boost. Also increasing boost in engines not so designed can create head gasket problems. The solution in cars is to o-ring the...