EBAY PROTOTYPE

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Prototype AMC?
Rick


-----Original Message-----
From: Sandwich Maker [mailto:adh@xxxxxxxxxxxxxxxxx] 
Sent: Wednesday, April 06, 2005 1:17 PM
To: mail@xxxxxxxxxxxx
Subject: Re: AMC 2.5 only used in Jeeps, right? RIGHT...almost

" From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker)
" 
" " From: "Jim Blair" <carnuck@xxxxxxxxxxx>
" "
" " A: 700R4 was also used (and it's HIGHLY sought after by rod builders) I 
" was
" " checking out Advancedadapters website and several of their conversions
for
" " Ford Rangers are using 700R4 from 2.8L family. As for the other stuff, a

" 3.1
" " or 3.4L would require a balanced flexplate/flywheel. The 2.8L one is
" " externally balanced till almost the end of the line.
" 
" as i hear it all the 60-deg engines were redesigned to be
" neutral-balanced about '87-8, 2.8 included.  it continued on to '93 in
" s-10s, and i think this flywheel would be your ticket if you wanted to
" replace your manual-trans xj 2.8 with the gm crate 3.4 longblock,
" which is only available with a [700r4] flexplate.
" ________________________________________________________________________
" 
" 
" 
" 
" 
" From: "Jim Blair" <carnuck@xxxxxxxxxxx>
" 
" A: If you were going to run the GM trans, then this flywheel would work. I

" don't know if the crank bolt pattern is the same, but for the later V6 
" (internally balanced) you could use the 4 cyl flexplate (pre TBI, although

" it wouldn't matter as the tone ring isn't used on the 2.8L) or rebalance a

" regular 2.8L one (cost me $65 locally) or buy one from Advance Adapters 
" already done. (About $120 IIRC)

you're right, the flexplate that comes with the 3.4 longblock is
useless with the xj torqueflite.

the standard drill for 3.4 into 2.8 auto xj is to take the 2.8
flexplate and remove the balance weight.  the key to replacing the 2.8
with the 3.4 using a manual tranny is finding the right flywheel -
like the original 2.8's, but neutral balanced; that's why i was
suggesting the '89-'93 s-10 2.8 'wheel.  i understand the f-body 3.4
flywheel is quite a bit thicker.

i am assuming that if it does work, you could buy it cheaper even new
than you could rebalance the 2.8's 'wheel.

btw just read that late-model 3.4s have a very small permanent-magnet
starter that's more powerful than the old wound-field one and is a
direct sub.  wonder if it fits amc 2.5s?
________________________________________________________________________
Andrew Hay                                  the genius nature
internet rambler                            is to see what all have seen

adh@xxxxxxxxxxxxxxxxx                       and think what none thought