The fun continues...
Ring Gapping, Cleaning, Timing Gear, Oil Pump Inspection.
The list is forever long.
Porting, Turbo Tear Down VF34.
/stage-1-block-cleaning-4hrs.html
/stage-2-block-cleaning-crank-install.html
-----Diametric Ring 7600XX------
Bore Size (In.) = 2.992
Bore Size (MM) = 76.00
Ring Width (thickness, 1st, 2nd & 3rd) = 1.0mm-1.2mm-2.8mm
Top Ring Type = Gas Nitrited
Top Ring Code = SGP . . Steel . .Gas Nitrided . . Positive Twist
2nd Ring Code = IPN . . Cast Iron . .Phosphate . . Napier Scraper
Oil Ring Code = CUS . . Steel . . Chrome . . Std Tension
Oil Ring Tension = std
# in Set = 1
Set Part Number = 7600XX
Piston Ring Breakdown:
Top Ring : 1mm (.039") / Alloy steel / Gas Nitrided / barrel faced
2nd Ring : 1.2mm (.047") / Cast iron / Phosphate coated / Taper faced / Napier hook
Oil Scraper: 2.8mm (.110") / 3-piece oil assembly / Stainless stl. flex-vent spacer / Gas nitrided rails
I think they recommend a 400grit on the finish hone.
XX / XC SETS 1.0 1.2 2.8 RING PACK
Ring sets for popular aftermarket sport compact pistons using the 1.0 1.2 2.8 ring pack.
GAPLESS® GAPLESS® CONV
BORE TOP RING 2ND RING RING
76MM M2992XC T2992XC 2992XC
2.992”
76.5MM M3012XC T3012XC 3012XC
3.012
----
76MM M2992XX T2992XX 2992XX
2.992”
76.5MM M3012XX T3012XX 3012XX
3.012”
XC < XX ( XX has more tention on the oil rings)
I think Wiseco recommend a 400grit on the finish hone.
Fantastic work!!! Looked through your entrie blog and im really impressed. We hav 4 czt and one ralliart as companycars here in Sweden and we have been challenged to a fun-and-games companycup and we are puting one of the czt up for a build. Would be interesting to know the buildingcosts of a forged engine? (longengine) Mvh Anton
ReplyDeleteid budget 8000-10,000 AUD
ReplyDeleterods, pistons, bearings, machine work, upgraded valvetrain, gaskets and seals.
then on top of that for another 5000 you might have exhaust, turbo, clutch, lsd