Re: [AMC-list] T176 oops

[Ken Ames <ameskg@xxxxxxxxx>]

"The J120 has the stock 235/75-15s"

should read J10

Ken 

Quoting Ken Ames <ameskg@xxxxxxxxx>:

> 
> Mine has the 2.73s also. I have a set of 3.31s from a Wagoneer and that was
> the
> original plan to perk things up but the engine is getting tired already.
> Seems
> kind of backwards to have the 2.72s as stock on 4speeds and the 3.31s as
> stock
> on the automatics. The J120 has the stock 235/75-15s on it now that came with
> it. 
> Didn't plan on rebuilding either engine - just check the bottom end and go.
> The 4 litre doesn't have much more torque than the 258 (in new condition).
> 
> A carb and exhaust change on the 304 would give about 50% more horsepower
> than
> the 258.
> 
> Ken
> 
> 
> Quoting Frank Swygert <farna@xxxxxxx>:
> 
> > 
> > Unless you're doing lots of heavy hauling with the truck the 176 will be
> fine
> > behind a stock to mild 360. I wouldn't build a 304 because pistons are
> hard
> > to find and it will cost the same to build as the 360. 
> > 
> > I bet the main problem with your J-10 is that same as mine -- geared to
> high.
> > Mine has 2.73 gears. I run 215/75R15 tires so it will have a little pull.
> > Tires much bigger in diameter (those are 27.7") will kill pulling power. I
> > bet you have bigger ones to look better. I'd like to have a set of 3.31
> > gears, but have a 75 J-10 with 3.54s. They will be a lot better, but will
> > have to run a 30-31" tire or it will rev to high on the highway. A 29"
> tire
> > with 3.31 gears would be better, 3.08s would be fine with the tires I have
> on
> > now. Mine has over 100K on it also. Will eventually build a 4.0L block for
> > it. 
> > 
> > "Z" in the engine day build code was either a 343/4V or 401/4V. The block
> > casting number is indeed a 304. 
> > 
> > --------
> > Date: Mon, 06 Jul 2009 12:49:09 -0600
> > From: Ken Ames <ameskg@xxxxxxxxx>
> > 
> > I picked up a 304/176/300 combo from a CJ and was wondering about a V8
> > conversion in my 85 J10 currently with 258 and 176. I also have a spare
> 360
> > and
> > so am debating which V8 would be the better choice. Poor old truck now has
> > trouble with 10mph headwinds and too many hills call for 3rd gear. Seems
> to
> > spend a lot of time at almost full throttle just trying to keep up with
> the
> > traffic and evidence shows blowby with too much oil in the aircleaner.
> > 304 has a 'Z' in the valve cover tag (104Z16) - is this a 401 tag or did
> AMC
> > use
> > the 'Z' on later 304 tags? I was expecting an 'H'. Block casting 3195527 -
> > carb
> > tag 0DM2J - B 9K 8 so I suspect it is a 1980 or 1981 setup.
> > 
> > -- 
> > Frank Swygert
> > Publisher, "American Motors Cars" 
> > Magazine (AMC)
> > For all AMC enthusiasts
> > http://farna.home.att.net/AMC.html
> > (free download available!)
> > 
> > _______________________________________________
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> > 
> 
> 
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