[Spridgets] Bugeye Group..... What cam???????????

[Jim Johnson]

Hey Mike,

This set-up rocks!  I'm looking forward to seeing it all at LotO next month!


Oh... Per our telcon the other day, I'll bring a large shoe horn. We can
take turns using it...   ;-)

Cheers!!
Jim

On Thu, May 15, 2008 at 4:11 PM, <rrengineer at dslextreme.com> wrote:

> Vigil,
>     I have a 266 cam in my 1275 Bugeye, but just using a 266 profile will
> not always get the same results.  Just like heart and lungs work
> together, you have to match the cam to the head work.  Compression
> ratio, size of valves, valve lift, head porting all work together.
> You should consult with David Anton at APT what the best profile is
> to use for your engine.  He even machines his own cams now to spec.
> He also has a dyno for un-installed motors and a flow bench for the
> head work he does.
>     That said, I have an all out porting job on my head by David.  He
> also specified to Gerard that built the short block to deck the block
> to within 5 thousands of TDC so he could control the compression
> ration by machining the combustion chambers in the head.  I am using
> Rimflo valves and a bushed 1.5 rocker set for higher lift.  I am also
> using the Maniflow Spridget intake manifold with a single HIF44 carb.
>  All I can say is, "Wow!'  The car now exceeds the capabilities of
> the tiny original 7 inch drums I have on the car.  It goes like
> stink!  You should also keep in mind what exhaust you are using.  I
> have a header and the Maniflow Spridget exhaust which is larger in
> diameter than stock 1275 exhaust.  All large rotating masses were
> balanced.  I probably could have used a more radical cam, but the car
> idles slightly lumpy now.  In any case the 266 is a good choice for
> the street, but if you rebuild the motor in all other areas
> completely stock you might not see the potential of this cam.
> Mike MacLean
> 60 Sprite
> 56 BN2
>

-- 
Cheers!!
Jim - 68 "Spridget" in Dodge City
Don't miss "50 Years of Spridgets" at Lake of the Ozarks, June 26-29, 2008!!

For info and registration... <http://www.Sprite-MidgetClub.org>