[Healeys] Following Grace continued

[David Porter]

... well my Word Press blog is suffering from a change over to Windows8 
from my perfectly working XP operating system (much like Obamacare 
mandate, but I digress) so I'll add a link to John's FB Drive Away 
Cancer site to bring y'all up to date.
  First, the engine, with the VERY expensive, but VERY nice Denis Welch 
crank, rods, pistons, flywheel is pretty damn remarkable! It is now a 
zero balance engine and revs like crazy. I'd guess red line is above 
6000 RPM now. The rods were less than a 1/2 gram different, pistons 
within 1 gram. The crank with the extra counter weights is a much needed 
improvement over the original 60 year old technology.
  The block was hyper decked resulting in piston protrusion of 0.42". 
However the Welch steel head gasket is 0.60 so plenty of room. The 
resulting quench zone promotes very efficient burning and keeps carbon 
build up to a minimum.
  The performance from the old engine is quite remarkable. On the 
freeway, in traffic, at 5200RPM in 4th gear the speedometer showed 
105MPH and was still pulling hard. I suspect it will run out of cam or 
carbs before anything else.. I'd like to know what a dyno test would 
show. A local machine shop mathematician calculated an additional 16HP 
from the narrow quench zone alone. So M spec is 110, plus the 16 plus 
the reduced weight, additional displacement and reciprocating mass has 
got to get it to 130 at least. I can tell you that from a strictly seat 
of the pants impression that it will give a good E-type a run for it's 
money!
Dave
https://www.facebook.com/driveawaycancernow

PS if my 100 didn't disappear in the divorce I'd be saving my pennies 
for the bits that went into Grace..

-- 
Dave Porter
Porter Custom Bicycles
2909 Arno St. NE
Albuquerque, NM 87107
505-352-1378

Go HERE: my world www.porterbikes.com/