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gaurdian101 11-01-2012 01:41 PM

1 or 2 peace main seal
i'm at a loss here i bought this engine as a short block casting 14093638 above the oil filter side is c229 a big 5 number and gm5.7 sgi well was told it was a one peace main seal and it looked at it when i got it has the aluminum plate on the back of the engine that looks nothing like a 2 peace that im used to buying ,,,,went to go buy a pan for it and don't fit the gaskit is allot taller seems to be the same size as a 2 peace main seal also the crank on the end where the flywheel mounts to looks to me just like the 2 peace seal two very confused i heard of a retro fit one peace seal but never seen one

E.Furgal 11-01-2012 01:50 PM

the one piece crank flexplate/flywheel flange will be round..
unlike the older type that had what looks like a balance pad..

E.Furgal 11-01-2012 01:52 PM

one piece crank flange

2 piece

MouseFink 11-01-2012 02:24 PM

GM 5.7.........5.7 liter (350 cubic inch)
SGI..............Spheroidal Graphite Iron (ductile or nodular iron)
14093638..... casting number (years produced: 1988-1994 with 1-piece rear seal)
C229............March 22, 1989 (casting date)

CNC BLOCKS NE 11-01-2012 03:43 PM

You can run the older crank in the block with the correct seal adaptor there are adaprtors for the late pans and one for the early pans.

gaurdian101 11-02-2012 09:04 AM

i just found out i got an 89 block roller rocker engine with a late model adapter on it with a 400 crank didn't have no idea they would do this a good thing or a bad thing?

gaurdian101 11-02-2012 09:10 AM

and thanks for all the help guys i got all my research done on this forum from the day the bock was made to where it made at so thanks everyone for that info makes a guy that plays with engine's a little better at playing with them ,,,,,
now to figure out how to find out what my cam is it's been reground and has marking engraved that we can find out what it is so bought the degree wheel and tools to do it now to just understand how to do it is all

E.Furgal 11-02-2012 09:28 AM

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