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Old 08-06-2009, 07:46 PM
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Join Date: Dec 2005
Location: Georgia
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Interchange of 300 turbo engine and transmission

Would a 83 or 85 300 Turbo Engine block fit on a 79 non turbo head and transmission? I found a nice 1979 wagon with a blow bottom end. I can get a 83 or 85 bottom end from a friend and wonder if it fits?

Good Patina Comes With Good Miles Driven.
Drive more polish less

220SEB 1963 (excellent driver with no rust but far from pretty)
300 TD Wagon 1981 (Daily Commuter Tractor)
911 MFI 1973
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Old 08-06-2009, 09:51 PM
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I am almost certain you can.

But I am bumping this thread for others to bicker me wrong.

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Old 08-06-2009, 09:57 PM
Registered Hack
Join Date: Mar 2008
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you may want to keep the '79 motor mount arms and put them on the donor block.

Trans will def bolt up unless the '85 is a california (maybe?? starter location issue)

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Old 08-07-2009, 11:00 AM
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Location: Out in the Boonies of Hot, Dry, Dusty, Windy Nevada
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The 83 and 85 are both a 617.952 engine, so is the calif 85.
the calif 85 has the same mounting arms, and the transmission will bolt to one, no difference.

the calif starter has the solenoid on the bottom instead of on top. this is to clear the trap. should be able to use the starter either way.

the blocks are the same except for the end of the crank, the hole for a pilot bearing is smaller if an 85 is to be used with a manual trans.


there were three HP ratings on the OM616...

1) Not much power
2) Even less power
3) Not nearly enough power!! 240D w/auto

Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

We are advised to NOT judge ALL Muslims by the actions of a few lunatics, but we are encouraged to judge ALL gun owners by the actions of a few lunatics. Funny how that works
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