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

[rrengineer at dslextreme.com]

Yeah Jim.  Half the people at car shows are more interested in how I get
in and out of it than the car itself.
Big Mike
60 Sprite
56 BN2


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>
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