[DeTomaso] Possible club/list/forum 351C dyno project?

Mark McWhinney msm at portata.com
Thu Sep 20 13:13:22 EDT 2007


Hi Dan,

Do you have PayPal or other way of getting money sent to you?

Mark


-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Daniel C Jones
Sent: Wednesday, September 19, 2007 3:38 PM
To: detomaso at realbig.com
Subject: Re: [DeTomaso] Possible club/list/forum 351C dyno project?

> You've helped a lot of us on this forum including me. Your knowledge is
> priceless. Count me in.

Thanks!

> Count me in for both cash and parts.  What do you need?

Thanks!  As far as parts, I'm not exactly sure what will be needed yet.
I've just moved and am still unpacking and building shelves for my parts
stash.  I've got the heads and intakes inventoried but I still need to go
through the boxes for things like springs, valves, timing chains, etc.
Let me finish the unpacking then I'll post an inventory here and we can
start filling in the gaps.

> Team Pantera Racing will be proud to donate.

Cool, thanks!

> I'd offer the use of a Performer, Torker, and a stock manifold.

I have all of those available.  Actually, I have an F-351 which is
the early model of the Performer.  It might be worthwhile to compare
them side-by-side but I believe they are identical except for the
lettering.  As far as intakes go, I currently have the following
intakes for a 9.2" block:

2V Intakes

 Offenhauser Dual Port 351C-2V (6012-DP or is it 6111-DP)
  - dual port design (runners split into top and bottom sections, plenum
    split fore and aft, primaries feed longer path lower runners,
secondaries
    feed shorter path upper runners), spread bore bolt pattern

 Weiand X-Celerator 351V-2V (7516)
  - low rise single plane with Holley carb bolt pattern, no EGR
  - ports are larger than head ports.

4V Intakes

 Blue Thunder 351C-4V (p/n 4145)
  - high rise dual plane with Holley carb bolt pattern

 Edelbrock F-351 4V
  - low rise dual plane with Holley carb bolt pattern
  - obsolete part number, replaced by Performer 351 4V
  - runner ports are smaller than intake ports for increased velocity

 Edelbrock Torker 351 (P/N 2760)
  - high rise single plane with Holley carb bolt pattern

 Ford 351C intake (p/n D1ZX-9425-DA)
  - low rise dual plane with Holley carb bolt pattern and squarebore
    throttle plate bores
  - iron casting, fitted to early 4V engines fited with 4300 carbs

 Ford 351C 4V intake (p/n )
  - low rise dual plane for Motorcraft 4300D (Holley bolt pattern
    but spreadbore throttle plate bores
  - iron casting, as fitted to CJ/4V engines

 Holley Strip Dominator 351C-4V (300-13)
  - high rise air gap open plenum single plane with Holley carb bolt pattern
  - One unique feature is that the plenum opening is trapezoidal and
    will directly mount a stock Motorcraft 4300D spreadbore carb.

  Offenhauser Dual Port 351C-4V (6014-DP)
   - dual port design (runners split into top and bottom sections, plenum
     split fore and aft, primaries feed longer path lower runners,
secondaries
     feed shorter path upper runners), spread bore bolt pattern
   - ported (ex-Marino Perna)

 Offenhauser 360 Equa-Flow 351C-4V (5964)
  - low rise single plane with Holley carb bolt pattern
  - short runner design with split plenum (side-to-side), plenum divider
    cut down and/or windowed

 Weiand Hi-Ram 351C-4V  (p/n 1996)
  - tunnel ram for dual Holleys

High Port Intakes (9.2" deck)
 M-9424-A331  (Edelbrock for A3 heads)
 M-9424-A331  (Roush for C302 heads)
 M-9424-B351  (Roush for C302 heads, short track)
 M-9424-D351  (Edelbrock for C302 heads, )

I've also been offered the use of a complete Autolite In-line set up
(rebuilt
with tuning parts) and possibly a D1ZX-9425-FA and Shelby 351C intakes
If anyone has any other intakes not on the list above, let me know.

> I have a stock carb, (and the whole top end, ie: air cleaner, evap
canister
> etc...)

Got that covered.

> and several Holley carbs.

Which particular models?  My dyno guy uses a special Holley 950HP that
seems to work well on everything and I have a Holley 735 set up for
quick jet changes, as well a 600 and 750 vacuum secondar and 850
annular booster models.  I also have 4300 and 4300D carbs.  If anyone
has a good Rochester Quadrajet, I could use one of those.

> I have several air cleaner assemblies of different sizes.

I have a number of the usual drop base and standard base circular
ones in 13" and 14" diameter, as well as a small oval, a triangular
foam, and a large oval.  If you've got something different let me
know.

> I have some spare DuraSpark ignitions.

I've got two Mallory Unilites.  I may set one up with a steel gear
and the other with an iron if we end up doing a roller versus flat
tappet cam comparison.  Might be better to use a bronze gear on one
for all tests.

> I have two different exhausts.

Which ones?

> I also offer to host the results on my website.

Asa has offered to host it but you and anyone else like Mike Daily
at PanteraPlace.com are welcome to it.  I'll supply the ASCII content.
If anyone wants to format for a wbesite, they are welcome to it.  If
this all comes together, I imagine this stuff will spread across the
'net in various forms.

> Let Dan post the results (wonderful write-ups).  Who ever wants to
> host may do so. (with Dan's permission)

I'll post the text only write-ups here.  I'll also take digital photos
of all the parts that Asa will host on his website.  There will also
be tables of dimensions, specs and flow bench data, etc.

> I'll offer use of www.351c.info for documenting and tracking.

Sounds good.

Dan Jones
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