perf-list-digest Tuesday, February 16 1999 Volume 02 : Number 040



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Ford Truck Enthusiasts - Performance
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In this issue:

FTE Perf - ranger clutches
FTE Perf - Engine swap from an inline 6 to 351w
Re: FTE Perf - Compression ratio-300 I6
Re: FTE Perf - ranger clutches
FTE Perf - 351w
FTE Perf - was 351w timng
Re: FTE Perf - was 351w timng
FTE Perf - ADMIN: Posting instructions
FTE Perf - Re: Inline 6 performance
Re: FTE Perf - ranger clutches

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Date: Sun, 14 Feb 1999 03:04:38 -0800
From: "steven wilmarth"
Subject: FTE Perf - ranger clutches

help! recently i replaced the clutch in my '91 ranger 4.0l. i purchased the
clutch "kit" from a recommended clutch dealer. i greased the splines
"lightly" and added some grease to the new throwout bearing face as the
chiltons recommended. i did not open the juice lines since i was replacing
the engine too "100,000 miles, temp got really hot and water started to
flow from the tailpipe". the problem is the chatter. from a dead stop and
from reverse i have clutch chatter. it is not apparant when i'm moving and
it is really bad under a load "up a hill etc" is there anything else i
should look at besides oil/grease on the clutch surfaces?

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Date: Mon, 15 Feb 1999 07:43:48 -0500
From: JPontus
Subject: FTE Perf - Engine swap from an inline 6 to 351w

I have a 1988 F150 with a EFI inline 6 with over 200,000 miles on it. I
also have a 351w complete engine minus the wiring harness and computer
that I would like to drop in. Any suggestions to aid me. Will the
computer and wiring harness from the six work with the 351w??? Are any
other problems that I may encounter for this swap. Thanks for the help.




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Date: Mon, 15 Feb 1999 09:05:11 -0600
From: William S Hart
Subject: Re: FTE Perf - Compression ratio-300 I6

>I've been trying to find out the compression ratio of my '82 F100 300
>I6. It seemed a simple question--at one time!
>
>Does ANYBODY know the compression ratio of a stock '82 300 engine? Or
>maybe where I can find out?
>
You might check the local library, plan on spending some time and scour the
motor manuals they have. Do you have a specific need? How accurate do you
need it ? I'd bet it would be the same CR as a 302 or 351 from the same
year, maybe not exactly the same, but probably very similar


Just my 2cents

wish

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Date: Mon, 15 Feb 1999 17:36:33 -0500
From: "gpeters3"
Subject: Re: FTE Perf - ranger clutches

Did you have the flywheel resurfaced? Did you replace the pressure plate?
If you neglected either of these the two surfaces will not match so pressure
will be uneven and you will still have some glazing on one or both surfaces
all of which adds to the chatter.

Make sure you also have free pedal before contacting the clutch springs
etc.. Zero free pedal could cause unloading of the pressure plate, thus
slippage but glazing will do this also.

Michigan Pot Hole Jumping, 78 Bronco lover, Gary

flow from the tailpipe". the problem is the chatter. from a dead stop and
>from reverse i have clutch chatter. it is not apparant when i'm moving and
>it is really bad under a load "up a hill etc" is there anything else i
>should look at besides oil/grease on the clutch surfaces?


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Date: Mon, 15 Feb 1999 15:14:28 PST
From: "Joe Swinko"
Subject: FTE Perf - 351w

does anybody know the base timing of a 1972 351w? is it the same as a
302?

Joe Swinko

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Date: Mon, 15 Feb 1999 15:27:53 PST
From: "Joe Swinko"
Subject: FTE Perf - was 351w timng

in regards to my first e-mail, I replaced the distributor and found the
tdc of #1 cyl and it would crank and fire (every once and a while)
but not run. I should mention I have an Edelbrok intake and a holley 600
cfm carb(not quite tuned correctly but will run)

Joe

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Date: Mon, 15 Feb 1999 19:05:18 -0500
From: "gpeters3"
Subject: Re: FTE Perf - was 351w timng

Joe is this dura spark ignition? Are you sure you have it on the
compression stroke? Sounds like it may be set to the exhaust stroke but if
not then all you have to do is rotate the engine till the rotor (8 leg iron)
lines up with the rectangle core of the pickup coil exactly and with the
rotor (plastic) lined up with cylinder one.with the vibration damper marks
at about 10 deg BTDC and I guarantee it will run and run well. From there
you can try some hard takeoffs to test for spark knock etc. but make sure
your vac advance mechanism is working properly.

If it doesn't line up as described with timing marks lined up then you have
to pull it and reinstall it in that position, rotating the dizzy to get the
pickup timing right. It's very simple so If you don't understand what I
just said let me know and I'll try to make it more difficult :-) Seriously,
let me know if you understand what I just said, I'll try to make another
stab at it if not......:-)

Michigan Pot Hole Jumping, 78 Bronco lover, Gary
- -----Original Message-----
From: Joe Swinko
To: perf-list ford-trucks.com
Date: Monday, February 15, 1999 6:39 PM
Subject: FTE Perf - was 351w timng


>in regards to my first e-mail, I replaced the distributor and found the
>tdc of #1 cyl and it would crank and fire (every once and a while)
>but not run. I should mention I have an Edelbrok intake and a holley 600
>cfm carb(not quite tuned correctly but will run)
>
>Joe
>
>______________________________________________________
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>

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Date: Mon, 15 Feb 1999 21:47:35 -0500
From: Ken Payne
Subject: FTE Perf - ADMIN: Posting instructions

List postings to either my admin or list owner addresses
has gotten out of control. Please take the time to read
the instructions (you'll find a link to them at the bottom
of *****every***** post!) as I don't get any please dealing
with emails in my inbox that don't belong there. If you
post to my box, I'll ignore it.

Ken Payne
Admin, Ford Truck Enthusiasts

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Date: Mon, 15 Feb 1999 22:06:58 EST
From: IRLobuck AOL.COM
Subject: FTE Perf - Re: Inline 6 performance

P. Radecki sez:
Late models came with a weird factory header, almost like a tri-Y except
with the obvious difference. Are these adaptable to earlier trucks? Are
they worth retaining on late model trucks?

Yes, they can be retrofitted to older 240/300 engines (for those that just
don't like tubular headers) and perform (and sound) better than the stock
single exhaust manifold. They should not however be construed to be equal in
performance to a good set of tubular headers.

Has anyone tried the Edelbrock Performer RPM mufflers? They look like
Turbos, but on the inside they're more like glasspacks. They are also
stainless, which is good because if I have to do exhaust work I only want
to have to do it once.

My thought on a fiberglass packed stainless muffler is that the "glass" will
burn out and you might be left with a very loud, very expensive system. Just
my thoughts.

I assume the chip is necessary to convince a speed density truck that it
is now SUPPOSED to be non-stock.

Well, as I understand them, they maximize fuel delivery, timing, and converter
lockup under heavy throttle. There is no point having a stock computer
working against you.

Is there enough clearance to do this? I'd be extremely leery about
changing the valvetrain geometry without doing the "clay on the piston"
test first, though this does sound like a fairly mild upgrade. Where
does one find this sort of rockers for the Big Six?

I have yet to do this myself, but got the idea from a Ford Engineer who has
been racing Ford 240/300 sixes for 30 years. I took it on faith because of
his background. I would use a dial indicator to check how much more "lift" I
could crank in before touching the piston at TDC, if you are punchy about it.
Use a bore scope to see it thru the spark plug hole. Be sure to use a SOLID
lifter on that valve during your test as a hydraulic will collapse and bugger
your results. On the "where to get them", I'm not sure where he got his, but
I think calls to Sissell's and Clifford would be a good start.
Good luck, LOBUCK
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Date: Tue, 16 Feb 1999 01:53:09 EST
From: Clemstang1 AOL.COM
Subject: Re: FTE Perf - ranger clutches

Sound like you need to have your pressure plate resurfaced or replaced. It
probably has hot spots on the surface that need to be removed. Got a 89
Mustang that is doing the same thing guess I shouldn't be out racing it.




Jeff
73 F-150(pro-street)460
79 F-150 Lariat 460
75 F-150 4x4 429
89 Mustang 302

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