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  1. idano

    friction reduction in ring and pinion

    Other than using synthetic gear lube (I recommend Redline 80-90 and not the hi-impact part) you will be spending some time and $$$. "automatic transmission"......that will be a huge absorber of hp....you might take a look at a higher efficiency torque converter, if you use one. I usually tell...
  2. idano

    rolling circumference of tyres

    dont forget about tire roll out (circumfrence) increases due to centrifugual forces at higher speeds.
  3. idano

    ENGINE BLOCK BELL BOLT PATTERNS

    tom.. another thought...Offenhauser (213)225-1307 IN l.A. used to /still does lots of odd ball trans/eng adapters...they might have some dims.
  4. idano

    ATF in manual gearbox?

    here is a good example of what I was trying to point out in my post above....the ZF 6 speed. Besides contacting ZF directly...(708)634-3500 you can contact Mike Weinberg at Rockland Standard gear Inc in Sloatsberg, NY...or Callaway in Connecticut. These people will tell you that you must use GM...
  5. idano

    ENGINE BLOCK BELL BOLT PATTERNS

    Tom those lumps were made in 1956-1957 only and fairly rare. I dont THINK they were part of the 430 family ...the bellhousing pattern was probably the old iron 3 speed Fordomatic which was also used in the Y-block 292-312 c.i. motors 1954 thru 1961 or so... which are much more common. Try...
  6. idano

    Calculating HP from 1/4 mile time and weight...

    time to whip out the old "dream wheel " from the 70's.... surprisingly close. Isky, Bell Auto Parts, Automark all printed them. at 2200 pounds and 112 mph it shows 260 hp. The et compared to the mph shows to me I think that this is a result of the front wheel drive....the car might...
  7. idano

    aluminium flywheel / ring gear fit and materials

    Rod: Copy the "bolted the ring gear on"....kinda rewriting my last paragraph.... I always use screws when using a iron or alloy wheel for other than driving back and forth to the supermarket. (grin) its just common race prep.....(not an option).
  8. idano

    Spark plug "indexing"?

    a similar post is also on the board. There are some very small hp benefits from plug indexing...but very small. Conical/radius seat spark plugs are the "funnest" to index as there are only about two of three thickness conical gaskets availiable. on multi electrode plugs like the...
  9. idano

    Exhaust flange sealing

    Innovator.... try Welltite. It is a cousin to Hylomar and was discovered/invented to seal WW2 tank head gaskets. I have not used it personally but it gets rave reviews in the UK. BTW...you dont have Mcmaster-Carr over your way. As a suggestion if you do another exhaust system, make the...
  10. idano

    ATF in manual gearbox?

    PULLLEASEEEE... use the FACTORY recommended lubricant in whatever it is you are lubricating. Example.....dont ever ever use automatic trans fluid in a GM/Saginaw power steering pump or box....use the correct GM power steering fluid. Especially in transfer cases made in the 80's and later in...
  11. idano

    aluminium flywheel / ring gear fit and materials

    Flywheel ring gears are a shrink fit onto the flywheel....whether Al or steel...and butt against a register. Flywheel ring gears are not perfectly concentric before they are shrunk on the flywheel. For the dimension parameters you might call Design Products (714)892-1513 or McLeod industries...
  12. idano

    how much crankshaft twist?

    I can see one degree difference of lead making a 5% difference in TQ or HP....especially with forced induction. youve got to understand that a V motor with crank wind up and cam wind up (especially with heavy valve springs) is like a big rubber band.....especiallly at the first and second...
  13. idano

    calculating plenum size on 2.3l turbo?

    As a start you might take a look at a production induction system from a factory 2.3l Ford turbocharged motor. (t-Bird super coupe etc).....these were pretty good pieces off the shelf and take to modifications. Its unclear whether you want to fab up a sheet metal inlet plenum system, or use...
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