1417Re: What did I buy
- Dec 11, 2004Hi Jerry,
It's no 472. The 472 rod is 6.75" C/L to C/L, the pin is 1", and the
C/L of pin to top of pistons is apx 2.010".
Did you measure bore/stroke? A 472" is 4.3" x 4.06".
Brown" <jerome@p...> wrote:
> hi Dave,472 with
> the block and heads are cast iron. I'm pretty satisfied its a 74
> the flat top pistons. Everything else appears to be stock.Brown" <jerome@p...> wrote:
> Jerry Brown
> > I recently purchased an engine and transmission for a 36 Chev
> > I am streetrodding. I am old enough to believe in cubic inches as
> > effective and FUN. In that spirit I purchased what I was told was
> > 1974 472 Cadillac and accompanying 400TH transmission. The price
> > so good I considered the transmission a great buy and the engine a
> > gift. I bought the package to get the transmission as the engine
> > a basket case. I'd like to rebuild and use if it has potential. I
> > know very little about Cadillac big block engines and want to
> > more.
> > Here are some codes I found. Can any of the members help me with
> > proper identification:
> > Block stamped in back by sending unit: 49520
> > Block stamped in front, top: 207
> > Heads both stamped: 1602498 on top of head under rocker arm cover
> > Crank stamped in three places with the following: N, 319, CFD5Y
> > Pistons are flat top, not dished or raised and stamped on top: 2D
> > they have a notch on the top edge (presumably to align correctly)
> > Pistons have an R cast in side close to wrist pin hole
> > Top of piston to ctr of wrist pin hole is apprx 1.795"
> > Wrist pin hole is apprx .454" dia.
> > Rods are stamped with a 25 and a symbol that looks like a
> small 'w'
> > with a line over the top and underneath the 'w'. Its pretty faint
> > I'm not sure of that identification. I'm loooking at it as though
> > is a vertical alignment. If you look at it as horizontal it could
> > 131 stamped on the rod. Its so faint its hard to tell.
> > Rods are approximately 6.875" long from ctr of wrist pin hole to
> > center of crankshaft hole. Big end of the rods appear to be in OK
> > condition but no bearings so difficult to tell. No looseness in
> > wrist pin area.
> > Distributor does not have points and appears to be solid state
> > HEI?
> > I'd appreciate any help in identifying this engine and whether its
> > stock or not. The seller seemed to think the flat top pistons were
> > big deal and the engine did not have a cam in it leading me to
> > consider the possibility it may have been non-factory and pulled
> > save for another engine.
> > Cylinders have no ridges and hone marks are still visible, pistons
> > look good with not very much carbon on top. combustion chambers on
> > heads and valves have considerable carbon but certainly not the
> > worst build up I've seen. Crank shaft journals are not
> > spun/gouged/burned and neither are the mains but the bearings are
> > all gone so its hard to tell what kind of wear it might have had.
> > Thanks.
> > Jerry Brown
> > Woodland WA
> > ps. tried to send similar message earlier but don't think it went
> > through. If this is a duplicate, please excuse.
> Yahoo! Groups Links
- << Previous post in topic