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Rich is right; it will be just fine. The 2
times the cubes is a rule of thumb and is far from the norm when dealing with a
modified engine. Again, as with camshafts, I have found it hard to
over-cam and over carburate a modified engine...that being said, use a
600-650cfm carb on your stock Poly 318.
Don also said you cannot overcam a 440...(withing
reason).
As for the modified Poly 318 or Wedge; I run
an 850cfm TQ on my 340 car and Rich can attest to no-bog...the engine loves it
to the tune of mid to high 12's as a street car (a TQ is an anomaly; since the
primaries are so small they gave up to 800cfm to stock small
blocks...),
Rich's slightly modified dual quad Poly runs
1000cfm...works well doesn't it Rich?
Gary P.
----- Original Message -----
Sent: Friday, May 20, 2011 7:54 AM
Subject: Re: Carter AFB for a Poly?
I think it will be just fine. Remember Don D said 2 times the
cubes is about right for carb cfm. You still have some to go!
Rich Kinsley '64 Dodge Polara 4dr 318poly
w/goodies =========================================================================================================================
On Fri, May 20, 2011 at 8:27 AM, <Dodger7998@xxxxxxx> wrote:
625 would be the correct size for a 318,,,,,,,,, Don's rule of
thumb,,,,,,,, CFM should equal about twice the engine ci
Normally, the smaller primary should help on fuel mileage if
you keep you foot out of it. The full 625 might be too much for
a stock 318 but no big deal. Akron Don
Gallimore ----- Original Message ---- > From: Dennis
C. < dennis.2914@xxxxxxxxx> > To: The 1962 to 1965
Mopar Mail List Clubhouse >< 1962to1965mopars@xxxxxxxxxxxxxxxx> > Sent: Fri,
May 20, 2011 8:48:48 AM > Subject: Carter AFB for a Poly? >
> I was just given a Carter Competion Series AFB #9637SA.
From what I > can find it is a 625 cfm with Ford linkage. My
318 is still a 2 > barrel and I have a stock 4 barrel manifold that
I have never put on. > > Any thoughts on how the Carter carb
would work in the 318 or should I > pass it on to someone
else? > > Thanks > Dennis C. > > --
-- Rich Kinsley '64 Dodge Polara 4dr 318poly
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