Author Topic: Poulan 330 3450  (Read 10054 times)

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Offline Cut4fun .

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Re: Poulan pro 330 and poulan 3450
« Reply #20 on: October 12, 2012, 01:32:21 pm »
Had to take some pics of the 330 and 3450 so just posting pics here too.




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Re: Poulan pro 330 and poulan 3450
« Reply #21 on: October 12, 2012, 09:19:17 pm »
So the 330 and the 3450 are both 54cc saws with open port transfers.  What I want to know is, are the transfers indentical in their design. I know that the 3450's have quad open port transfers that go straight up.  Does the 330 have the same design?  I also know that the 3750's have quad open port transfers that are curved.
   So I was just wandering if there was any difference in the ports of a 330 and a 3450.
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Re: Poulan pro 330 and poulan 3450
« Reply #22 on: October 12, 2012, 10:51:53 pm »
I cant remember which type 3 or not but those 3450 was 60cc.

I cant remember on the 330 topends been to long since I have had others torn down.
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Re: Poulan pro 330 and poulan 3450
« Reply #23 on: October 13, 2012, 01:38:55 am »
I have had the 3450 54cc engines apart and I have had the 3750 60cc engines apart but I have never had a 330 apart that is what I was wandering about.   What makes a 3450 and a 330 different from each other other than the color.  It could be in the way the transfers are designed.
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Re: Poulan pro 330 and poulan 3450
« Reply #24 on: October 13, 2012, 07:42:11 am »
I've had a 330 all the way apart and split open.

Sorry I just cant remember back then what the transfers looked like and I lost all my pics when racesaws site went down the first time back then.

Thought, try looking at part number on 3450 54cc cylinder and piston. Might be the same as 330.
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Re: Poulan pro 330 and poulan 3450
« Reply #25 on: October 14, 2012, 12:08:39 am »
That was a good thought.
I looked up the part numbers for the 3450 and 330.
The 3450 54cc has a different part number for the cylinder and the piston from the 330.
The piston ring has the same part numbers for both engines.
So the 3450 and 330 are not identical saws and there is some difference going on.  Until I open one up I guess I will not know what specific item is different.
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Re: Poulan pro 330 and poulan 3450
« Reply #26 on: October 14, 2012, 12:04:43 pm »
Found a pic by Mastermind. Says cylinder on left is poulan pro 330. 

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Re: Poulan pro 330 and poulan 3450
« Reply #27 on: October 14, 2012, 12:07:43 pm »
380 and 3750 cylinder

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Re: Poulan pro 330 and poulan 3450
« Reply #28 on: October 14, 2012, 12:59:35 pm »
That is exactly what I suspected.   The 330 is large dual port transfers and the 3450 is quad port.   Thanks for the pictures.   
Now which is the stronger running engine and we will know which transfer design was more effective.

I am almost sure that the 3450 is the quad port transfer by the way.
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Re: Poulan pro 330 and poulan 3450
« Reply #29 on: October 14, 2012, 04:10:39 pm »
That is exactly what I suspected.   The 330 is large dual port transfers and the 335 is quad port.   Thanks for the pictures.   
Now which is the stronger running engine and we will know which transfer design was more effective.

I am almost sure that the 3450 is the quad port transfer by the way.
 

330 on LEFT looks like quads to me ,    3300 was on the RIGHT is single in double pic.

Tried to brighten up so you can see the quads on 330. pic blow.
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