Hi Craig,
All your suggestions sound great - but instead of modifying the flywheel and
drveshaft wouldn't it be preferable to transfer *all* the components from
the donor 300D?
Sounds like a very workable transformation --
;-) I'll be looking for an 84 or 85 300D!
BTW, would later 300Ds work in a W123 240D? Just in case I happen to find
a rust bucket 87/88/89? 300D - or where they getting too complex?
Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
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----- Original Message -----
From: "Craig McCluskey" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <Mercedes@okiebenz.com>
Sent: Thursday, June 22, 2006 3:19 PM
Subject: [MBZ] 240D to 300D [was: Re: OT Powerstroke?/Who....../BT4 in M37]
On Wed, 21 Jun 2006 07:35:20 -0400 "Mike Canfield" <[EMAIL PROTECTED]>
wrote:
Sooooo....If I pick up the 240D 4spd and a 300D say around 85(I know
where one is.) there is a way to combine the two?
Most definitely. The body, afterall, was designed to handle all those
combinations.
I assume the bolt pattern for the bellhousing is the same between the
two engines?
Most likely. If not, the "adapter plate" that bolts onto the back of the
block and to which the bellhousing bolts can be transferred from one
engine to the other.
Flywheel from the 240 will go on the 5cyl.?
I've heard of it being done, but the factory 5 cylinder stick-shift
flywheel is thicker and heavier. I was able to locate the proper 617
stick-shift flywheel when I was doing my conversion in Austin, TX.
No balancing issues? I heard that each flywheel is balanced to it's
engine is this true?
The shop manual has a large section on balancing a new flywheel to the old
one, but I didn't go through that since I never had an original
stick-shift flywheel for the 617 engine I used. In addition, when the
machine shop was resurfacing the flywheel, the gouged the inside of the
clutch pressure plate support "ring" and had to re-balance the flywheel
statically. It's worked just fine for the last mearly 50,000 miles.
You do need to insert a pilot bearing in the back end of the crankshaft
and need to check the bolts that attach the flywheel to the crank (they're
stretched when they're tightened and have a limited number of re-uses).
The drive shaft length will have to be changed, too, and then the
driveshaft will have to be rebalanced.
Craig
P.S. When used with a personal pronoun, an apostrophe means a contraction,
not possessive. Thus "it's" = "it is". No apostrophe for possessive,
as in, "its engine." See http://angryflower.com/bobsqu.gif
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