[DeTomaso] Carb and fuel pump

[Will Kooiman]

Or the stock fuel line/sock.

On Dec 8, 2013, at 3:35 PM, Asa Jay Laughton <asajay at asajay.com> wrote:

> Hi all,
> 
> This year (2013) at the Silver State Classic Challenge, I recorded a top speed in the trap of 130.7 MPH.  When I reached the countdown to the trap I was already doing just shy of that to bank time before the Narrows.  I consciously pressed the accelerator a bit more to push her up to a goal 135 MPH, but nothing happened.
> 
> I speculate at 130 MPH, I'm using up all the carb, or all the fuel pump.  One, the other, or both.
> 
> The Carb is a Ford stamped Holley list with these numbers:
> D8PE-9510-KA
> LIST 8414
> 3113
> This link shows my email back in 1999 with info from Holley that I obtained.
> http://poca.com/detomaso/1999-09/329.html
> Apparently it's a 600 cfm.  it has vacuum secondaries and three-quarter turn emission lockouts on the mixture screws.  I've put a standard rebuilt kit through it once or twice.  It's been a really good carb, but I don't know it will pull more than 130 MPH.
> 
> What to do.
> As always, money is a bit of an issue.  I'd like to install EFI but that's really expensive.
> I'd like to keep it responsive at low rpm like she is now, but still have the throughput needed at higher rpm at top speeds.  I think this leans me toward a vacuum secondary rather than mechanical.  I'm sure the cfm needs to be cranked up, but would 650 do it or should I head for 700 or higher?
> 
> Does anyone have one they'd be willing to part with?
> Should I send mine into someone like Chuck Nuytten and have them do their magic on it, replacing metering blocks and other mods?
> Should I just buy a new one?
> 
> The engine is a 351C bored .030 over, stock stroke.
> Heads are DOAE, quench chamber.
> Cam is a Crane hydraulic roller with these specs
> <Mail Attachment.png>
> Intake is an FPP 4145
> Stock ZF transmission
> 
> I've got some time so I'm looking for some informed/experienced opinions on what carb would be best.
> 
> And since Professor Engles from the Midwest Division of the Pantera Research Institute is engaged with Fuel pump questions, I'll just follow his thread on that part. :)
> 
> Thanks,
> Asa Jay
> 
> 
> -- 
> Asa Jay Laughton, MSgt, USAFR, Retired
> & Shelley Marie
> Spokane, WA
> ******************************     
> http://www.racingagainstautism.com
> http://www.teampanteraracing.com
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