Some folks donâ??t use anything, just real clean. Personally, I used a thin
coat of Permatex Aviation gasket seal...after getting it real clean. Anything
you put down there adds to the protrusion above the deck for the sleeves.
Bill B
TS30800L (TR4A powered)
#dontkillgrandma
On Feb 5, 2021, at 11:52 PM, Dan Cronin <adcronin@mi.rr.com> wrote:
Folks
Looking for some background information and recommendations on the preferred
Fo8 gasket sealing compound that seems to have worked for each of you in your
various engine re-builds. And any comments / observations you choose to share
either on or off list. The motor I am building has a 89 mm piston and liner kit
from BFE along with Corrello rods / bolts and a Crower dummy main crank
connected at the front with a ATI Super Damper and at the rear to a Fidanza
Alloy Flywheel with diaphragm clutch, an HVDA conversion with alloy drive shaft
to a Quaife 4.11:1 diff. and alloy back cover. Stainless Steel valves with
0.050 oversize intake thru Mang. Bronze guides. H/S roller rockers on alloy
pedestals. BPNW 270 duration cam. The TR4A head has had 0.040 removed mostly
to true things up and remove prior imperfections. The head chambers have been
mildly worked to smooth any sharp edges and even things out with a resulting
chamber volume of 60.5cc each. I am planning on installing Gasket Works 0.022
copper gasket with their 0.005 â??Oâ?? compression rings on the head side of
the gasket that will be sprayed with a copper coating on each side. Gasket
Works sent a set of Fo8 individual gaskets that has allowed me to obtain a
liner protrusion of 0.0025 to 0.003. Am aiming at a compression ratio of
around 9.75 to 1+/- . Looking forward to as many responses as possible to
assist in trying to get this critical step as close to right as I can.
DC
<IMG_3668.jpeg>
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