[DeTomaso] New Engine

Wed Aug 15 17:48:05 EDT 2007

David,

       I am dubious of crate engines....don't trust anyone to promise HP delivery.....get a build spec sheet if you can't supervise the build, machine work and final assembly........I'd also expect  a 'documented' dyno pull to substantiate the numbers......lots of owners and builders claim 500+ HP. 

  I personally like to see what is going into the build every step of the way...didn't always do that...more lessons learned ;-]>

  Unless you see evidence to support HP claims proceed with caution. 
  Also ask for references unless you NEVER plan to race.

  md 

"David F. Bakker" <dbakker at arrayasolutions.com> wrote:
  I have to rebuild my engine and decided to go the crate route. There is a dude ( I dont have the link handy) that does only 351Cs. Im buying an awesome 408 stoker and it will meet those requirements with ease.

-David

________________________________________
From: detomaso-bounces at realbig.com [detomaso-bounces at realbig.com] On Behalf Of Michael Shortt [michaelsavga at gmail.com]
Sent: Tuesday, August 14, 2007 3:51 PM
To: Mark McWhinney
Cc: List DeTomaso
Subject: Re: [DeTomaso] New Engine

I've got all that at 550 hp at the wheels, well don't know about the durable
yet, but hey it still gets 12 city/17 highway and I stayed at a Holiday Inn
Express last night!

Michael in Savannah

On 8/14/07, Mark McWhinney wrote:
>
> Given Trevor's requirements, is a Cleveland block even in the running?
>
> 1) 430-500 HP
> 2) Durable
> 3) Streetable
> 4) Spirited driving with some drag runs
>
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
> On
> Behalf Of JDeRyke at aol.com
> Sent: Tuesday, August 14, 2007 12:18 PM
> To: trevor at fougere.com; detomaso at realbig.com
> Subject: Re: [DeTomaso] New Engine
>
> In a message dated 8/14/07 1:06:51 AM, trevor at fougere.com writes:
>
> <<....50% compression loss. Coolant in the oil. Coolant in the exhaust.
> The
> same cylinder that necessitated a rebuild approx 3-5,000 miles and two
> owners
> ago. Haven't taken the heads off yet, but I'm expecting more bad
> news.....
> >>
>
> Worst case- start looking for a new core-engine now; coolant in the oil
> very
>
> likely means the cylinder wall is cracked, or (less likely) a head is
> cracked.
> A 50% compression drop may mean a thin piece of cylinder wall has blown
> into
>
> the water jacket; this happened to us with a silver-dollar sized chunk of
> wall
> during a competition event, from a simple backfire on an engine bored
> 0.030-over. Ford said that Clevelands should not be overbored AT ALL and
> only offered
> 0.003-over pistons for home-fitting.
>
> Once you find a block, have it cleaned and sonic-checked for thin cylinder
> walls. Wall thicknesses below 0.080" means the thing is only safe to use
> in
> a
> truck or as a lawn ornament, not as a high-horsepower engine. Most
> previously
> overbored blocks are in this category. Blocks with enough wall thickness
> these
> days are few & far between- see the archives thread by Pat Orlando, Allan
> Foster and others who lost 351-Cs and had to spend much time finding a
> suitable
> core to work with. Many cautious owners have stockpiled a couple of good
> core-engines for such future disasters.
> Also, changing to a 351W does not guarantee the thin-block syndrome will
> not
>
> reoccur. Sonic-test all Fords! And find a builder who is familiar with the
> peculiarities of the early-'70s Ford V-8s.
> Good luck (or at least better luck than you've recently had!) -J DeRyke
> 

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--
Michael L. Shortt
Savannah, Georgia
www.michaelshortt.com
michael at michaelshortt.com

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