Re: Poly Stroker dyno test today

[intiaboats@xxxxxxxx]

You're making me 2nd guess some of my projects. Cut it out!
>From the day I saw my Sport Fury on Ebay, I was prepared to swap in a big block. Because I began messing with cars in my teens - when I had a lot of ambition & very little money - putting in a big block meant building a big block. As I stand at the midway point of my 426wedge build, with a zillion parts & calculations staring me in the face, still trying to make a decision on connecting rods, I wonder why I placed myself in this mess(sound familiar, people?).

So, I hop into my polyFury & crank it up. Ten miles down the highway, the temperature needle is jumping. I pull into the nearest gas station, pop open the hood & watch the steam pour out. What a depressing smell! Then I see something I've never seen; a hole in the top of the water pump housing. It looks like someone struck an arc, then drove a welding rod through the casing. Perfect.

Longer story shortened, I towed the car to my shop believing that the next time I drive it, it'll be with the 426w. Then, you publish those dyno numbers. Not just respectable numbers, mind you, @#$%^ awesome performance!
Anybody else living my life, right now? LMAO
Well done, Gary! 
Mike


--- On Fri, 6/13/08, Gary Pavlovich <glpavlovich@xxxxxxx> wrote:

> From: Gary Pavlovich <glpavlovich@xxxxxxx>
> Subject: Poly Stroker dyno test today
> To: 318poly@xxxxxxxxxxxxxxx, 1962to1965mopars@xxxxxxxxxx
> Received: Friday, June 13, 2008, 10:51 PM
> Just thought I would let the group know about the latest
> Poly Stroker (actually 396 cid) with my favorite 4"
> crank that I built and dyno'd for a customer today.
> 
> I used a "small cam" and experimented with two
> radically different carbs after the engine break-in. The
> results surprised me so I thought some of you would find it
> interesting; parameters are as follows.
> 
> My customer has a '66 Charger with high rear end gears
> (numerically low), 727 automatic, and wanted a mid-level
> Stroker build more for cruising & reliability than
> perfomance.  He wanted a mild idle, cast iron dual plane
> Poly intake, and all power in before 5000rpm (remember its
> a street cruiser).
> 
> We made 441Torque @ 3500rpm 
>                   357HP       @ 5000rpm
> 
> with a 750 double-pumper Holley on a stock OEM cast iron
> Poly intake w/ four-hole adapter and 224@.050" lift
> Hydraulic cam (280/.480" advertised).
> 
> Next pull with my "experiment" carb netted 
>                       440Torque @ 3500rpm
>                       357HP        @ 5100rpm
> 
> with my 500cfm Edelbrock AFB; one of the two dual quad
> carbs destined for my next Poly Stroker build.
> 
> The Poly achieved 98.6% volumetric efficiency and used
> 501cfm with the Edelbrock carb and achieved 99.8%
> volumetric efficiency and used 497cfm with the 750Holley
> double-pumper carb.
> 
> Air/Fuel ratio on each carb was perfect and near identical.
> 
> I was surprised to see how well the small 500cfm Edelbrock
> did on a near 400cubic inch motor. The butterfly
> shaft/choke and "stuff" was removed from the
> Edelbrock for improved flow.
> 
> Now mind you, this is just an engine dyno and the smaller
> carb would probably react differently on the street.
> 
> FYI,
> Gary Pavlovich
> [Non-text portions of this message have been removed]
> 
> 
> ----
> Please address private mail -- mail of interest to only one
> person -- directly to that person.  I.e., send parts/car
> transactions and negotiations as well as other personal
> messages only to the intended recipient, not to the
> Clubhouse public address. This practice will protect your
> privacy, reduce the total volume of mail and fine tune the
> content signal to Mopar topic.  Thanks!
> 
> '62 to '65 Mopar Clubhouse Discussion Guidelines:
> http://www.1962to1965mopar.ornocar.org/mletiq.html. 


      __________________________________________________________________
Looking for the perfect gift? Give the gift of Flickr! 

http://www.flickr.com/gift/


----
Please address private mail -- mail of interest to only one person -- directly to that person.  I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic.  Thanks!

'62 to '65 Mopar Clubhouse Discussion Guidelines:
http://www.1962to1965mopar.ornocar.org/mletiq.html.