perf-list-digest Monday, August 3 1998 Volume 01 : Number 049



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Ford Truck Enthusiasts - Performance
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In this issue:

FTE Perf - M-potential
FTE Perf - 66f100 ps/pb conversion
FTE Perf - Isky Valve springs

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Date: Sun, 02 Aug 1998 09:24:51 -0500
From: ballingr ldd.net (William L Ballinger)
Subject: FTE Perf - M-potential

> It was good to see in print exactly what the M block disciples have been
> preaching here..........If you build it, the ponies will come!

(Putting on my baked potato suit)

After 100,000 miles of running and then re-machining it, it may be
capable of holding together.

I think a lot of M-block troubles are due to the fact that the castings
were put into service "green." I'd bet that the stress-relieving that
comes with years of running could possibly cure a few things that gave
these engines trouble, provided that they can be remachined back into
shape.

The early 385-series got a bad rap for the same things, so Ford added
some nickel. It's too bad they didn't do it to the M also. But,
seasoning a casting makes it much stronger as long as it's heated and
cooled properly. On an M (or any other low-nickel thinwall casting) if
it's been hot, throw it away. If (when) you sound it, if you find any
core shift, get another block. They don't need to be bored any more than
necessary, the less the better. If it's bored oversize at all and has
any taper, toss it. If you wanted to you could sleeve it. If I were
building 500hp in one, that's what I'd do to take the bores out of the
equation. There's nothing you can do about the decks, just hope for the
best.

Power potential has never been a problem with these engines (they have
the best head design on the planet), it's been stamina. But as I've
said here, time may have helped matters a little. Finding a perfect
block and putting it into shape is (and has always been) the key to
building an M.
- --
Come on over to my Back Porch
http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.ldd.net/scribers/ballingr
Ballinger
ballingr ldd.net
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Date: Sun, 2 Aug 1998 11:22:02 EDT
From: Trs2000 aol.com
Subject: FTE Perf - 66f100 ps/pb conversion

I wanted to thank everyone again for all the great advice. My 66 f100 ps/pb
conversion is almost complete. I found a ps pump for my 352 out of a pile of
pumps in the 500 range. Wow! I bolted it up and found out I could use the
lines off of the 73f150 parts I have. I only have a couple of things left to
complete the changeover. I have to change the bottom pulley/balancer for a
double pulley system. Does anyone know if this could hurt the bottom end? I
found one that looks identical as the stock single pulley but has two. Also,
I need to wire up the steering column cause the connectors are different. The
color coding is also slightly different? I was hopeing I could match up as
much as I could and the rest would maybe me later model options. Anyway,
thanks everybody. I'll post when I'm rollin'...........

Dennis 66 f100 ps/pb 352
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Date: Sun, 02 Aug 1998 20:56:57 -0500
From: Mike Schwall
Subject: FTE Perf - Isky Valve springs

Anyone know where I can get a set of Isky valve springs #6005? I can't
find anyone that sells Isky springs.

Thanks,

Mike

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Email: mschwall texas.net or mike fordfan.org
Home Page: http://www.ford-trucks.com//lc/lc.php?action=do&link=http://mschwall.home.texas.net
FORD FAN PAGE: http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.fordfan.org

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End of perf-list-digest V1 #49
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