Fordnatics List Archive

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Mail From: Eugene Y C Chu <(email redacted)>

Thanks for all the responses (so far) on my querry of the 2.8/4.0 V6.
It's still not yet totally clear to me that the 2.8 and 4.0 engines
are from the same block, but I have confirmation that they both liked to
leak oil. As far as performance upgrades, it looks like I need to at
least start calling Central Coast Mustangs. I'm not looking to do a 4wd
burn-out on my Aerostar yet, although that might look interesting.
I just want to improve acceleration, and perhaps gas mileage as well.

eyc

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Mail From: (email redacted) (Dave Williams)


-> It's hard for me to believe that they're the same block, too. The
-> 2.8 V6 was a tiny 60 degree V block. I can't imagine getting 4
-> liters out of that thing. I thought the 4.0L was a 90 degree block.

Nope, it's a 60, and obviously a derivative of the 2.8. Exactly how
much interchangeability is left, I don't know. It might be like the
302/351W - everything *looks* the same, but won't fit.

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Mail From: (email redacted) (Dave Williams)


-> It's still not yet totally clear to me that the 2.8 and 4.0 engines
-> are from the same block

<sigh> Not the *same*, but of the same family.

Some data: (am I the only one with a database?)

bore stroke main rod rod deck boresp pinht engine
3.545 2.63 2.2437 2.1236 -- 8.084 4.760 1.546 Capri 2600
3.650 2.700 2.2437 2.127 5.140 8.084 4.760 1.539 Capri 2800
3.661 2.835 2.2443 2.125 5.140 8.858 4.760 1.461 Ranger PU 2.9
3.950 3.32 2.2437 2.125 5.748 8.858 4.760 1.458 Ranger PU 4.0

The bore spacing, deck, height, and bearing sizes show the
relationships. I don't have data for the 2.3 and 2.0 German-spec V6s,
nor the Brit-spec 2.9/3.1. The Brits also had an overhead cam variant.

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Mail From: (email redacted) (Jay Fletcher)

I believe the 2.8, 4.0, and perhaps the German and English variants are
called the "Cologne" engines, based on where they were originally designed
and produced. How many of you knew you had German iron under the hood?

Jay

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Mail From: (email redacted) (Dave Williams)


-> Ahhhh, I knew if I was patient you would come up with some numbers!
-> The cylinder walls in tha 4.0 must be paper thin.... [

No, Ford used a six throw crank in the V6, and wound up spacing the
cylinders quite far apart. Maybe not a whole inch, but I guarantee
there's plenty of room between the bores. Opening up the bore half an
inch would be just a trivial matter of reworking the patterns.


-> Okay, I brought my Pat Ganahl V-6 performance book in today.... [

No smiley there. That book is just plain outright WRONG on half the
stuff it has on the Ford V6. The Buick and Chevy sections are pretty
much cribbed from the factory publications and various magazines, but he
didn't make much effort to research the Ford. Do yourself a favor and
rip those pages out of your copy; what's simply wrong is greatly
misleading.


Neither HP Books nor SA Design ever seem interesting in second editions
of their books. Ganahl probably ran into deadline pressure or
something, but they keep selling the same damned book.


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Mail From: (email redacted)

Dave,

Thanks for the history and info on the "little
Fords", particularly, the Capri and the Cologne V-6.

I'm in the process of putting one of my Capris, a 1974
2800, and former serious Solo II DSP car, back on the
street. And, of course, I just picked up Ganahl's
book. I guess I should send it back to Classic
Motorbooks, eh? Have you had a chance to go thru
Sven Pruett's (sp) new book dedicated to the 2600,
2800, and 4.0 V-6s? He's tied closely to the SCCA and
the Denver-based Capri Car Club, Ltd., and is
supposedly quite sharp when it comes to the Ford V-6.
If he has also missed the mark, how about putting down
a few dozen of your other projects and writing a book
or a non-Ganahl-ish chapter for a book?

Mark

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Mail From: (email redacted) (Tommy Anderson)

> -> The cylinder walls in tha 4.0 must be paper thin.... [
>
> No, Ford used a six throw crank in the V6, and wound up spacing the
> cylinders quite far apart. Maybe not a whole inch, but I guarantee
> there's plenty of room between the bores. Opening up the bore half an
> inch would be just a trivial matter of reworking the patterns.

I thought your spec chart you made up the other day indicated
the bore spacing for the 2.6, 2.8, 2.9 and 4.0 Cologne family
of V-6's were the same, that being 4.76 inches. Wha happened??
Did they space the cylinders farther apart or just use the
paper stretchers creatively....?

I drew up a computer drawing of the 4.0 layout using 3.95 as
the cylinder bore and 4.76 as the cylinder spacing. This left
about .80 inches of meat in between each cylinder. That's
pretty close, there, friends and neighbors. I always heard that
the 2.8 shouldn't be bored out more than .030 in. How 'bout
them water jackets..?? Can you say over-heater...? Sure....
But, if you can get away with it, it makes a compact little
power plant...


Tommy Anderson

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Mail From: (email redacted) (Dave Williams)


-> I thought your spec chart you made up the other day indicated
-> the bore spacing for the 2.6, 2.8, 2.9 and 4.0 Cologne family
-> of V-6's were the same, that being 4.76 inches. Wha happened??
-> Did they space the cylinders farther apart or just use the
-> paper stretchers creatively....?

Don't worry. Be happy.

==(email redacted)=======================================
"Live to Flame - Flame to Live" XJ900 TURBO "Meet Jesus at 15psi"
Denizens of Doom M/C - rec.motorcycles usenet DoD #978 xKotFAQ
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