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In Reply to: 79 633 engine swap? What would you do? posted by Perry on November 12, 1999 at 21:48:34:
: I have a 79 633 CSI auto. with 151K, and a badly blown head gasket. I can replace the head gasket and do the work myself, or I can buy an 84 745 engine with 100k on it from a local wrecker for about $650...Will the 745 engine drop right in? Do I need to change the ecu, electrical connections, etc? Does this project even make sense?
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Perry,
Why not do both? The 745 engine price sounds great if it's a decent engine.
I'd do the head gasket job (about a 6 hour job the last time I did it), and enjoy the car while I freshened up the 745 engine (if the bores and pistons look OK, I'd hone the cyls, put in new rings, bearings and gaskets while inspecting and resusing the rest).
There is a web page on a 745-645CSi conversion you should look at before you get the idea it's a drop in replacement, though.
http://pages.prodigy.net/be13/
He's got neat photos and hints. He wasn't quite done the last time I looked in, but he might be now. It would be a great project for a primo body/chassis as with all the work it would be a long term keeper and collectable (for me at least).
Bob
PS That door handle still looks great; I think about your graciousness every time I look across at it. Thanks again!
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