Classic Mustangs List Archive

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Mail From: tandilou2001 (kerry roberts)

On Tue, 4/7/09, classic-mustangs-request at lists.twistedpair.ca ive
had some of my mustang pictures on your site now i cant find themm <classic-mustangs-request at lists.twistedpair.ca> wrote:

From: classic-mustangs-request at lists.twistedpair.ca <classic-mustangs-request at lists.twistedpair.ca>
Subject: Classic-mustangs Digest, Vol 73, Issue 6
To: "kerry roberts" <tandilou2001 at yahoo.com>
Date: Tuesday, April 7, 2009, 4:56 AM

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Today's Topics:

???1. Re: Boss 302 Makeover (nvrl8nmy68)
???2. Re: Boss 302 Makeover (Chris Kelly)


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Message: 1
Date: Mon, 6 Apr 2009 21:20:18 -0700
From: "nvrl8nmy68" <nvrl8nmy68 at comcast.net>
Subject: Re: [CM] Boss 302 Makeover
To: "'A list for owners of Classic Mustangs'"
??? <classic-mustangs at lists.twistedpair.ca>
Message-ID: <002101c9b738$29212760$7b637620$@net>
Content-Type: text/plain; charset="utf-8"

Yup, you got me on that one, too.



From: classic-mustangs-bounces at lists.twistedpair.ca [mailto:classic-mustangs-bounces at lists.twistedpair.ca] On Behalf Of John Dettori
Sent: Monday, April 06, 2009 6:55 PM
To: Julie Austad
Subject: Re: [CM] Boss 302 Makeover



If
you think that's confusing, imagine trying to figure out what the
pretty Aussie lady (my client from a few years ago) meant when in
response to my query "Wanna get some lunch?"? - she said
"Bullocks!? I'm flat out like a lizzard on a rock".

I walked away very confused.









It means she was busy



John

----- Original Message -----

From: nvrl8nmy68 at comcast.net

To: John <mailto:jdettori at optonline.net>? Dettori

Sent: Monday, April 06, 2009 5:51 PM

Subject: Re: [CM] Boss 302 Makeover



It's
okay you guys. I had not heard that expression either. I guess it's
confusing because there is no real correlation between chalk and
cheese. They aren't even opposites. Hmmm. Now I will have to ponder
this one for the rest of the day. Probably keep me up late trying to
figure it out.

Julie Austad
Emerald City Mustangs
425-353-1535
425-418-9217

----- Original Message -----
From: "Wal Marshall" <wal at nzmustang.co.nz>
To: "Julie Austad" <nvrl8nmy68 at comcast.net>
Sent: Monday, April 6, 2009 12:50:39 PM GMT -08:00 US/Canada Pacific
Subject: Re: [CM] Boss 302 Makeover

Wow? Walt.

I thought chalk and cheese was a pretty common expression....maybe it is
just an Aussie/Kiwi thing.. Used to espress polar opposites..

Maybe a Mustang equivalent would be.... road and race..? or perhaps .. wreck
and resto....;-))

Wal

-----Original Message-----
From: classic-mustangs-bounces at lists.twistedpair.ca
[mailto:classic-mustangs-bounces at lists.twistedpair.ca] On Behalf Of Walt
Boeninger
Sent: Tuesday, 7 April 2009 2:55 a.m.
To: Wal Marshall
Subject: Re: [CM] Boss 302 Makeover



Wal Marshall wrote:

>?
> Ive now got a 69 428 cobra jet and although on paper both motors have
> similar compressions they are like chalk and cheese to drive because
> the

Chalk and cheese ?.....? is that like oil and vinegar?? Or night and day,
that's it....

Must be an Aussie thing!


--

Regards
--------------
Walt Boeningerll
webmaster at vintagemustang.org
webmaster at norcal-saac.org
shelbytransam.com
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Message: 2
Date: Tue, 7 Apr 2009 06:56:12 -0500
From: "Chris Kelly" <ckelly at raceabilene.com>
Subject: Re: [CM] Boss 302 Makeover
To: "'A list for owners of Classic Mustangs'"
??? <classic-mustangs at lists.twistedpair.ca>
Message-ID: <008201c9b777$d9fc6d80$8df54880$@com>
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This thread is goin' weird here.? Lizards on a rock for lunch, who knows.
Like trying to find a rat snake in a rope store.



My 1/50 of a USD.? 10.5:1 is about the max on current US pump gas. That's
what my 351C-4V race engine runs and it runs well on local 91 with one step
colder plugs (#24 Autolite).? The engine is set up with a zero deck height
and a .039 Felpro blue gasket and 65 cc chambers.? I run a solid cam in that
engine and I can tell you that after a year of hard racing - about 450
rounds - and the lash opened up from around .022 to about .026.? It's a
Crane 238/248 cam.? It has a lot of overlap, so the engine runs a lot of
timing - 38 locked out.? The 302 would likely do well with a similar
duration cam but with a bit less overlap for a more manageable idle - maybe
a 110 or 112 lobe center vs the 108 on this one.?



So I say BAH to the idea that a solid is not reliable or requires a lot of
upkeep.? When properly adjusted, they make very little noise.? Besides - a
Boss 302 is a solid lifter engine by design so its SUPPOSED to have that
little "buzz" at idle.? It a signature feature.? If you use quality parts
(RIP Crane Cams) you will have no maintenance or reliability issues.? Roller
rockers are also a good idea - IIRC, the Boss 302 heads use a screw in stud..
If so, I would recommend either Scorpion or Harland Sharp rockers.? The HS
rockers are warranteed for life.? If you have an issue with one, they'll
replace it.? I run them in both race engines - good parts.



Check with Probe on the pistons - they offer a .030, might be less money to
have them just machine a set to .040

probeindustries.com/Ford_BOSS_302_Cleveland_Small_Block_V8_SRS_Fo
rged_Pistons_s/10217.htm





=====================================
Chris Kelly - ckelly at raceabilene.com
raceabilene.net/kelly/hotrod
? ? ? ? ? Merkel, Texas
? ? ? ? ? ???Member:
International Hot Rod Association
Abilene Performance Car Association
? ? ? Falcon Club of America
=====================================

From: classic-mustangs-bounces at lists.twistedpair.ca
[mailto:classic-mustangs-bounces at lists.twistedpair.ca] On Behalf Of John
Dettori
Sent: Sunday, April 05, 2009 12:24 PM
To: Chris Kelly
Subject: [CM] Boss 302 Makeover



Friends,



I sent this Friday eveing but didn't get any responses; not sure if it
bounced.? My apologies if you get it twice.

You all have helped me at one time or another; I'd like to solicit some
opinions here.? Please send your thoughts.



My 1970 Boss 302 is undergoing a makeover.? I am addressing a few areas,
including the motor.? Though it has less than 50K miles, I suspected the
motor needed a rebuild -? and it did.? A reputable local machine shop (owned
by a Ford fan) is handling the rebuild chores.? He recommended 2 internal
modifications / upgrades that I'd like to air here:



1) Lower compression by a 1/2 point.? This would take the Boss' factory
11.0:1 compression down to 10.5:1.? The machine shop says this will help the
car run better on 91-93 octane pump gas, and not need the CAM2 110 octane
fuel I've been shoveling out $8/gallon for.? He's also complementing this
with stainless steel valves and hardened exhaust seats.? He is telling me
that there will be no noticable drop in power, estimating at least 400bhp at
the flywheel.?



2) Hydraulic Cam: The machine shop recommended the hydraulic cam for less
maintenance, less wear and tear, quieter operation, and the availability of
cams that duplicate the exact factory set-up in a hydraulic version or
improve performance, leveraging the 40 years of experience we gained since
the Boss 302 debued.? The thought of adding a set of roller-tip rockers
crossed my mind as well.



I'm adding a pertronix ignitor to the distributor, running a new set of BFG
TA Radials and keeping the rev limiter disconnected.? But I don't consider
those mods.



My initial reactions was to stick to the factory guidelines.? The machine
shop (Big Sal's Racing Engines) did a good job when they rebuilt the 351C-4V
in my '70 Mach I, so I trust this guy.? I made him put the 351C-4V back to
exact stock specifications - he even used a Ford dealer rebuild kit where
everything came in a Ford box (with TRW pistons, etc.).? The motor ran
strong and seemed OK on 93 octane fuel (it was 11.0:1 as well).? But I'm
somewhat reluctant to give up the solid lifter cam and 11.0:1 compression
for what I think are more emotional than rational reasoning.?



I'd like to hear some opinions.? As of this writting, it appears that I will
have to have a set of custom pistons manufactured, because no one has a
0.040" over Boss 302 piston on the shelf.? I checked PAW, Summit, JEGS, and
called Federal Mongul (that was an adventure).? So, since I'm shelling out
about a grand just for the pistons, this is not about saving a few bucks.
But I would like an answer before the guy orders the pistons this week and
I'm locked in to the 10.5:1 compression ratio.



Also, what was the correct fan for the 1970 Boss 302?? The car came with a 5
blade 17-1/2" diameter clutch fan that I can't find a part number on.? It
fits in the fan shroud I've looked thru 30 books and best I've found is 2
separate pictures: one with a clutch fan and one without.? Can anyone
provide a picture (attach, link, tell me where to find it), or even a part
number?? The spacer as well.



Thanks!



John
Dettori? ? ? ? ? ? ? ? ?
? ? ? ? ? ? ? ? ? ?
2001 SVT Cobra

Smithtown, NY 11787? USA? ? ?
? ? ? ? ? ? ? ???1986
Mustang SVO
jdettori at optonline.net?
? ? ? ? ? ? ? ? ? ?
? ? ???1970 Mustang Boss 302
Mustang Shelby
Club of LI? ? ? ? ? ? ? ?
? ? ? ? ? ???1967 Mustang GT
Vert

MCA # 65589

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