" From: Tom Jennings <tomj@xxxxxxx> " " On Wed, 20 Jul 2005, Sandwich Maker wrote: " " > " I made a spreadsheet with some of the basic turbo calcs. With the " > " TE06 and motor at 6000 rpm, one turbo would produce 20psi and " > " r=2.4. A second TE06 at r=2.4 with input at 20psig makes 45psig " > " output. " > " > wild guess: 'r' is pressure ratio, right? " " D'oh, sorry, yes. " " > then, using a for atmospheric pressure and b for boost, " > ( a * r ) - a = b " > right? " > " > if so, r=2.4 gives b=20, and r=4.1 gives b=45, pretty closely. " " The MacInnes book specs inlet pressure as PSIA (absolute, eg. 14.7 " seal level) but PSIG (guage) outlet pressure, eg. what you'd see " on a gauge. Hence, inlet to the second turbo (pending Frank's " observations that they're in parallel, not series...) is 20+14.7 = " 34.7 ("35"). right. my final subtraction of a was to convert psia to psig. " > going to run intercoolers? " " " Oh I would never do any of this! It's waaay outa my league from " skills, cost, etc. I'm just trying to work out what Navarro built, " really, just to work up a rational basis to go ask him questions. " " If I do end up building something around this motor, it'd be a " single turbo far, far below anything like these numbers. The " attraction of this engine is, if it was designed to be reasonably " reliable at 50psi boost/600hp, it ought to take a nap at 20 psi " boost/300hp. okay, single turbo - but with intercooler. and if things fall into line, don't stop at 20psi. ;^> " Easier said than done though -- to actually get this thing in a " car is another story. The block boss on the left used to mount " P.S. pump has been drilled out for oiling, I don't know if a stock " oil pump could feed the huge galleries, what strong transmission " will bolt to the Rambler six block, etc. if you want an auto: 1. iron warner / ford fmx. 2. '65-'71 fsj 232/th400 if you want a stick: the rare 'mexican' bell [i have the only one i know of] takes an amc-pattern doug nash 5sp or 6sp... also, it has meat for a gm pattern, but it's waaay too deep for a gm input shaft - which you'd expect since it takes an amc t-10. ________________________________________________________________________ Andrew Hay the genius nature internet rambler is to see what all have seen adh@xxxxxxxxxxxxxxxxx and think what none thought