Model of engine amp drive unit

"just purchased a 1985 wellcra

"just purchased a 1985 wellcraft 230 23 ft aftcabin.
Engine & boat run great. But has a leaking exhaust y pipe. My problem is that all model & serial number are missing on engine & outdrive.
It does have the original engine which was rebuilt in 1999, run for 2 years and has been in storage since 2003.
Can any one tell me the model and Id of the engine and outdrive unit so that I can order parts.
This is all the information I have on boat and engine.

WELLCRAFT SPECIFICATIONS
230 Aftcabin 23 ft long 8 ft beam
1985 model
In storage since 2003
Hull number: WELCO 2871486 230
Mercrusier Engine casting number #14010207
350 CID. chev. May be 260 or 270 HP? V-8
658 total engine running hours
110 hours since 1999 engine rebuild.
Quadrajet 4 bd carburetor
Inside transom plate unit serial # 691186?
Transom Assy. serial # 6928653
Prop. # 48 88440A-4, 19 Pitch x 14” dia.
Thanks
ebizsearch"

"try here:

[url=""]http://w

"try here:

http://www.mercruiserparts.com/selectSerailRange.asp?doc_nbr=260++%282+BBL%2E%29 ++GM+350+V%2D8+1982%2D1986"

"Ayuh,... It looks like a 260

"Ayuh,... It looks like a 260hp, Alpha 1 drive..."

"Thanks for the information.

"Thanks for the information.
An old clymer Mercruiser stern drive shop manual for 1964-1985 was found aboard.
It refers to Stern Models I-MR,II-TR & II-TRS
What are these letters? Do I need them in and which one to order exhaust Y pipe and an alignment tool?
Thanks again"

"Ayuh,... 1985 Should be an Al

"Ayuh,... 1985 Should be an Alpha 1,...
But I suppose it could be an MR drive...
I believe the Y-pipe is interchangable between them though..."