[DeTomaso] Dyno Results

[Mad Dog Antenucci]

He has 3 NASCAR rads....if the one I bought doesn't work we will blame Ken! ;-]
  MD

Art Stephens <artstephens at charter.net> wrote:
  > ps. No....I am not stalking the Dawg but I have seen the parts bins in Ken 
> Green's garage. ;o)
>
John,
Ken is Da Man! That's where I got my closed chambered cast iron 4V 
heads. I think Ken has at least one of everything. :-)
Art



>
> ----- Original Message ----- 
> From: "Art Stephens" 
> To: "Mad Dog Antenucci" ; 
> Sent: Thursday, March 02, 2006 9:18 PM
> Subject: Re: [DeTomaso] Dyno Results
>
>
> Dawg,
> I went with the cam that was one notch less aggressive than yours. I 
> got the Comp Cams Magnum hydraulic roller, part # 32-541-8. The 
> technical info on these cams for those (not me) that understand this 
> stuff is:
> My cam, 290/290 advertised duration, 230/230 duration at .050. 
> Valve lift .578/.578. Lobe separation 110.
> Dawg's cam, 304/304 advertised duration, 244/244 duration at .050. 
> Valve lift .612/.612. Lobe separation 110.
> If I am correct Dennis, your cam's part number is 32-651-8? The carb 
> I'm using is a Holley 750 double pumper with mechanical secondaries, Jet 
> Performance in Huntington Beach did the prep work on the carb for me.
> Art
> ----- Original Message ----- 
> From: Mad Dog Antenucci
> To: Art Stephens ; detomaso at realbig.com
> Sent: Thursday, March 02, 2006 8:36 PM
> Subject: Re: [DeTomaso] Dyno Results
>
>
> Artie,
>
> Gray Gregory and I compared our similar stroker motors (mine Mike Cook 
> and his Dennis Quella) a few years back and as I recall I picked up 
> another 25 HP with my Holly Strip Dominator intake and no other changes. 
> Even with your mild build I'd expect you to get 350-375.....what cam and 
> carb did you select?
> MD
> Art Stephens wrote:
> I finally got to do a dyno pull with the new engine. There is a problem 
> with the primary side of the carb so I will take it back to Jet 
> Performance and see if that problem can be solved. The carb problem 
> apparently had no effect on the top HP or torque numbers. Max torque was 
> 325 at about 4000 RPM. Max horsepower was 326 at about 5650 RPM at which 
> point HP dropped off rapidly. The cam is supposed to be good from 
> 2500-6000 RPM. The Edelbrock Performer intake is supposed to be good to 
> 5500 RPM, that looks pretty close! It appears to me that the intake is 
> holding me back, because I believe this 377 stroker has some more horses 
> in it. So it looks like I need a new intake manifold. I am not willing to 
> give up my original screen that covers the engine, I realize this limits 
> my intake choices. During this restoration I raised the front of the 
> screen by half an inch for the additional clearance, I am also willing to 
> raise the back of the screen some. I have heard Mike Drew talk about a 
> Blue Thunder intake that may fit under my screen and give me some more 
> horses. Anybody out there running the low rise Blue Thunder intake? So 
> what do you guys think, am I on the right track here? I do plan to call 
> Russ Fulp the engine builder and get his advice.
> Art
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