Re: Poly motors?

[Gary Pavlovich <glpavlovich@xxxxxxx>]

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I think the price of building a Poly is about the same as an LA; more for
some parts like big valves, but you really don't need 2.02/1.60's for a good
running 318.

Poly 318 Long Block core: free (they often beg you to haul 'em away).
Remember, the Poly has a steel crank that comes free with the block.

JE forged aluminum Pistons: $695?

Cam: regrind is inexpensive and works fine because of the adjustable shaft
mounted valve train.  New cams are about $195.
Lifters: $100

Intake: Weiand #7503 is approx. $219 from Summit Racing, or get a dual quad
or three deuce from the swap meets...

Headers: TTI $575?  Custom $500-$1200 or dirt cheap at $175 from Harold if
he gets his act together.

All the other parts interchange with the LA 318/340...motors: valve
springs/retainers, timing chain, oil pump, fuel pump, rod & main bearings,
rods, cranks, distributors...


Most don't know where to look for performance parts for a Poly and LA parts
are everywhere.  When you know what the options for a Poly are vs. the LA,
take a pencil and paper to figure the + or - of the deal.  There are
subjective factors like "uniqueness" and "how fast do you want to go" that
must be considered.

Gary Pavlovich
----- Original Message -----
From: "Gary H." <62to65mopar@xxxxxxxxxxx>
To: <1962to1965mopars@xxxxxxxxxx>
Sent: Friday, May 28, 2004 8:33 PM
Subject: RE: Poly motors?


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Welcome to Mopars, Tim!

Cost always depends on how fast you want to go and subsequent machine
shop / parts co$t.

Sounds like you already have some "air in" improvements over the usual
2bbl Poly 318 setup. You may need to just get a bumpier cam and some
exhaust headers via dual pipes to help pump spent exhaust out. That's
usually enough for a real fun street ride.

Don't forget to figure in the price of buying a 360 motor to put in, as
well as the changes needed to install it. That cost may cancel out any
parts and machine shop pricing differences.

People say it costs about the same to rebuild a 383 or a 440.
Anyone know if that's true for basic rebuilding of a Poly 318 vs basic
rebuilding a LA 318? Anyone?

Gary H.

tdanbrea wrote:
>
>
> Being kind of new to the mopar scene( i used to be a chevy guy )i have a
> question on the poly motors,mine already has the Weiand 7503
> and a 600cfm performer carb,should i stick my time and money into it
> to"wake it up" or would i be better off looking for a 318 to 360 to work
> with.I have read the articles on building the poly but none realy
> mention what the cost is to do a build up on one.
> Thanks
> Tim
> 1964 Polara

***********************************************************
NEW Heat-sensitive Hypercolor Thinking Putty from Crazy
Aaron comes in grown up handfuls. It's the creativity
unleashing, desk toy that changes color when you touch it!
caachWvb7MlEof/ Crazy Aaron's Puttyworld
***********************************************************

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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!

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