Re: Intake Manifold

[Bill M <y1topbanana73@xxxxxxxxx>]

Mabendaspoor,

You've found the right place to ask poly questions...WELCOME!!!

This intake will NOT work on a Poly "A" motor. It's for an "LA" motor (318-340-360). Notice the intake runners on the 7576 unit are "paired" together.

The holes in the manifold from the bottom on an LA intake are...

coolant, intake, intake, exhaust crossover (but the 7576 does not have this), intake, intake, coolant.


If you're looking the a stock single 4 barrel manifold, then the configuration you want is like this... ebay #150621065105. Notice the intake ports are NOT "paired"...

Going from left to right, the holes in the manifold are...
intake, coolant, intake, exhaust crossover, intake, blocked coolant, intake

A Poly "A" motor's heads, cam, pistons and intake are unique and can not be swapped with an "LA" motor

A poly motor can use the same crank, rods, timing chain & gears, & distributor that's in an "LA" motor.

Someone please correct me if I'm wrong on any of the above info.

Goto ebay and do a search for "318 Poly" and you'll also find someone has a dual 4 barrel intake listed. Intakes pop up all the time, but are pricey.

Bill M
65 Coronet 500 'vert http://1962to1965mopar.ornocar.com/mmo62008.html
73 Dart Sport, 00 Cherokee Sport, 05 Ram 2500 CTD, 4WD, QC, LB, Laramie

21 Model T Depot Hack, 92 Accord, 06 Mazda 3

On Thu, Jun 23, 2011 at 4:32 AM, mabendaspoor <deltamin@xxxxxxxxxxx> wrote:
> I hope this is the correct forum for this question!

> I'm looking for an inlet manifold for a 318A poly engine fitted into a
> Dodge 330. It appears that this is a scarce item yet when I searched
> the website of 'Car Parts Wholesale' they came up with an Edelbrock

> 7576 intake manifold as being a suitable fit. I then went to Amazon
> and that website also confirmed its' suitability. As I live in South
> Africa I cannot afford to import such a unit and find it to be

> incorrect. Should it be a good fit, what carburettor is recommended?
> (I want to polish the ports, perhaps put in a mild cam and insert
> valve seats for unleaded petrol). As this is my first forum posting

> please forgive any breach of protocol.

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