[DeTomaso] Weber's or IR Stack EFI for high HP applications

Mike Drew MikeLDrew at aol.com
Sat Dec 13 18:02:16 EST 2014


Kirby,

You are going to install the engine before even running it?

I think it's worth your while to get it set up on a dyno first. That will at least get you close?

Mike

Sent from my iPhone

On Dec 13, 2014, at 16:57, Kirby Schrader <kirby.schrader at gmail.com> wrote:

>   Julian,
> 
>   Yeah, I know... I should.
> 
>   But with the holidays and time running short (CVAR race in mid
>   February), that won't happen.
> 
>   Engine is still being machined and set up.
> 
>   Tom and I'll put the engine together in January and then into the car.
> 
>   If I can keep up with Tom, then all will be fine.
> 
>   :-)
> 
>   Kirby
> 
>   On Dec 12, 2014, at 20:42, Julian Kift <[1]julian_kift at hotmail.com>
>   wrote:
> 
>   Kirby,
>   You really should dyno the car with the current setup and after Weber
>   install to either corroborate or dispel the myths you are going to run
>   out of air flow at something over ~500HP? You could be giving up an
>   awful lot if true.
>   Julian
>> Subject: Re: [DeTomaso] Weber's or IR Stack EFI for high HP
>   applications
>> From: [2]kirby.schrader at gmail.com
>> Date: Fri, 12 Dec 2014 18:40:13 -0600
>> CC: [3]julian_kift at hotmail.com; [4]detomaso at poca.com
>> To: [5]boyd411 at gmail.com
>> 
>> I find this thread very interesting...
>> 
>> The EFI story is a no brainer. I use 55mm throttle bodies on both the
>   Pantera and the GT40.
>> 
>> But to be different, I shall be using a Jim Ingelese modified Weber
>   48IDA setup on the new race car engine.
>> Vintage legal and Tom Upton says the new engine will do more than
>   650HP with a 4 bbl.
>> Vintage legal all iron, exhaust port plates, etc.
>> 
>> And the Webers are making everyone call me a `glutton for
>   punishment'.
>> 
>> Should be interesting.
>> 
>> FWIW,
>> Kirby
>> 
>> 
>> 
>>> On Dec 12, 2014, at 15:32, Boyd Casey <[6]boyd411 at gmail.com> wrote:
>>> 
>>> Julian,
>>> I spoke to Jim Ingelese and he told be he builds Weber setups
>>> guaranteed to run well, he doesn't build them to meet HP goals.
>>> My A-3 heads have intake valves that are 2.19" and according to Dan
>>> JonesA there is no way to get the air flow from 48MM Weber's. He
>>> suggested Ipsco's 55mm throttle bodies. Kelly Coffield fabricates a
>>> complete system using Ipsco's throttle bodies which are set up to
>   place
>>> injectors directly into the intake manifold. The whole set up is
>   low
>>> profile and can be installed under the stock screen without cutting
>   the
>>> rear deck lid.
>>> Boyd
>>> 
>>> On Sat, Dec 6, 2014 at 6:43 PM, Julian Kift
>>> <[1][7]julian_kift at hotmail.com> wrote:
>>> 
>>> I also always heard that Webers run out of flow at around 500HP;
>   When I
>>> approached Jim Inglese about a set of Webers he was adamant that
>   was
>>> complete BS, quoting numerous race cars running well north of 600HP
>>> using 48IDA Weber carbsA A with no issuesA e.g. Lola T70's. He will
>>> design a set specific to your engine whichA he guarantees will be
>>> virtually bolt on with minimal further tuning required.A
>>> Be aware that Jim is no longer associated with Inglese Induction
>>> Systems that Comp Cams now owns and has restarted his own business
>>> [2][8]http://www.jiminglese.com/
>>> I'd be interested to know what cam specs you have for use with the
>   IR
>>> on that 408 stroker.
>>> Julian
>>> Date: Sat, 6 Dec 2014 16:38:13 -0500
>>> From: [3][9]boyd411 at gmail.com
>>> To: [4][10]detomaso at poca.com
>>> Subject: [DeTomaso] Weber's or IR Stack EFI for high HP
>   applications
>>> I was asking Dan Jones about running Weber's on the engine he and
>   Dave
>>> McClain are putting together for me. Dave is building and Dan doing
>   the
>>> simulation and design. It's a 408 stroker A-3heads fully ported
>   (not back
>>> from the porter yet ) so they have not been bench flowed yet. I
>   really like
>>> the looks and sound of a stack set up and since I am running 180
>   degree
>>> headers the sound with stacks the sound can't be beat. Since my
>   engine is
>>> expected to be producing north of 635 HP at 6500 rpm Dan thought
>   that
>>> Weber's wouldn't supply enough fuel to reach the maximum HP
>   potential. Does
>>> anyone have experience or opinions on a set up that would allow for
>   the
>>> optimum low , mid range and high end HP without losing any throttle
>>> response or HP at any of the key points.
>>> 
>>> On another point who makes the best Chassis stabilization kit (
>   rigidity
>>> kit) for use on a 1971 L. I already have Billet rear risers , CV
>   joints (
>>> porsche 930) poly bushings from Dennis Quella ( along with his Koni
>   set up
>>> and coil overs, Sphere ball end sway bars Front a-arms modified by
>   johnny
>>> woods modified for maximum adjustable castor, Brembo 4 piston
>   calipers from
>>> a Porsche 911 turbo, Coleman custom made rotors with center
>   directional
>>> vanes and gas vents and custom billet hats. Dual CNC master
>   cylinders with
>>> a balance bar long throw clutch master with SS sleeve and Anodized
>   Slave
>>> cylinder with SS sleeve. So I want to get the best possible
>   Rigidity kit
>>> for the full chassis Front hood,rear engine compartment, under
>   chassis.
>>> Also any other recommendation which could be made to help deal with
>   the
>>> high horsepower and torque.
>>> 
>>> _______________________________________________ Detomaso Forum
>   Managed
>>> by POCA DeTomaso mailing list [5][11]DeTomaso at poca.com
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>>> 
>>> References
>>> 
>>> 1. [13]mailto:julian_kift at hotmail.com
>>> 2. [14]http://www.jiminglese.com/
>>> 3. [15]mailto:boyd411 at gmail.com
>>> 4. [16]mailto:detomaso at poca.com
>>> 5. [17]mailto:DeTomaso at poca.com
>>> 6. [18]http://poca.com/mailman/listinfo/detomaso_poca.com
>>> _______________________________________________
>>> 
>>> Detomaso Forum Managed by POCA
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>>> DeTomaso mailing list
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> 
> References
> 
>   1. mailto:julian_kift at hotmail.com
>   2. mailto:kirby.schrader at gmail.com
>   3. mailto:julian_kift at hotmail.com
>   4. mailto:detomaso at poca.com
>   5. mailto:boyd411 at gmail.com
>   6. mailto:boyd411 at gmail.com
>   7. mailto:julian_kift at hotmail.com
>   8. http://www.jiminglese.com/
>   9. mailto:boyd411 at gmail.com
>  10. mailto:detomaso at poca.com
>  11. mailto:DeTomaso at poca.com
>  12. http://poca.com/mailman/listinfo/detomaso_poca.com
>  13. mailto:julian_kift at hotmail.com
>  14. http://www.jiminglese.com/
>  15. mailto:boyd411 at gmail.com
>  16. mailto:detomaso at poca.com
>  17. mailto:DeTomaso at poca.com
>  18. http://poca.com/mailman/listinfo/detomaso_poca.com
>  19. mailto:DeTomaso at poca.com
>  20. http://poca.com/mailman/listinfo/detomaso_poca.com
> _______________________________________________
> 
> Detomaso Forum Managed by POCA
> 
> DeTomaso mailing list
> DeTomaso at poca.com
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