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  #1 (permalink)  
Old 05-20-2008, 08:29 AM
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Nitrous + stock pistons = bad. Pics included!

Heres an example of why its not a good idea to use nitrous on stock pistons.
The piston in question are out of a '94 Z28 with a 150 horse shot of N2O.

Not only does it cause piston wall scuffing as seen in pictures one and two, but it also usually causes SEVERE piston shrinkage.

Beware!
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  #2 (permalink)  
Old 05-20-2008, 01:38 PM
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can't really see much from the pictures.... other than the pistons in that motor are SMALL!!
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Old 05-20-2008, 02:51 PM
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With a piston that small, the Z must be a V12.
Either that or someone has a HUGE hand.
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Old 05-20-2008, 03:33 PM
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Har-dee-har-har
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Old 05-20-2008, 04:23 PM
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Nice way to say "your vise is bigger than mine"







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Old 05-20-2008, 04:32 PM
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Looks like a lawn mower piston
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Old 05-20-2008, 04:50 PM
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That can't be a very good spot for all them what looks to be fireworks right across from a bench grinder like that ehhh...
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Old 05-20-2008, 10:18 PM
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The grinder is temporarily off limits.

Alright you caught me, its a 31cc weed whacker piston.

On a more serious note, I will now avoid buying Poulan brand products (available at any fine wal-mart retailer). The piston had at the very most 10 hours of run time and has some serious scuffs on the walls. Yes, I remembered to mix in the oil.
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Old 05-20-2008, 10:53 PM
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Quote:
Originally Posted by JohnyR17
The grinder is temporarily off limits.

Alright you caught me, its a 31cc weed whacker piston.

On a more serious note, I will now avoid buying Poulan brand products (available at any fine wal-mart retailer). The piston had at the very most 10 hours of run time and has some serious scuffs on the walls. Yes, I remembered to mix in the oil.
Dam..I never thought of runnin' a bottle on my weedwacker....!
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Old 05-21-2008, 05:24 AM
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Talk about small pistons.
This is a Honda Civic I'm currrently rebuilding.
I can't get my hand into the cylinders to wipe them down


Last edited by jcclark; 05-21-2008 at 05:33 AM.
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Old 05-21-2008, 06:41 AM
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[QUOTE=jcclark]Talk about small pistons.
This is a Honda Civic I'm currrently rebuilding.
I can't get my hand into the cylinders to wipe them down

aww thats cute kinda resembles an engine only smaller
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Old 05-21-2008, 06:51 AM
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[QUOTE=HalfOunce]
Quote:
Originally Posted by jcclark
Talk about small pistons.
This is a Honda Civic I'm currrently rebuilding.
I can't get my hand into the cylinders to wipe them down

aww thats cute kinda resembles an engine only smaller
That started my day off with a laugh.
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Old 05-21-2008, 08:24 AM
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High perfommance on a small scale.
96 cu. in., 127 HP, but best of all,
over 30 mpg...........IN TOWN (LOL)

Sorry, I didn't mean to hijack this thread, but you
gotta see the cam on one of these V-Tech engines.
They use a different lift lobe at higher revs-lots of lobes.


Last edited by jcclark; 05-21-2008 at 08:39 AM.
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Old 05-21-2008, 08:55 AM
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Quote:
Originally Posted by JohnyR17
The grinder is temporarily off limits.

Alright you caught me, its a 31cc weed whacker piston.

On a more serious note, I will now avoid buying Poulan brand products (available at any fine wal-mart retailer). The piston had at the very most 10 hours of run time and has some serious scuffs on the walls. Yes, I remembered to mix in the oil.

I would have returned it.

I bought a 2-cycle tiller at Farm and Home in Creston. The thing didn't run ten minutes before it seized up. I called Farm and Home, they told me I had to take it to NAPA in Creston. It turned out to be some defect in the engine caused it to seize and I got another tiller.

I have been using Poulan chainsaws for a number of years now. I heat with wood so I they get a lot of use. When the chainsaw blows up I just go buy another one. With the savings on heating my home I can easily justify buying at least one chainsaw a year. One lasted a little over a year when it quit oiling the chain, it still runs fine and I was going to tear it apart and see what is wrong with it but they are so cheap why bother, just go buy another saw. The last one lasted a little over three years before it blew up. I have considered buying a more expensive brand but then I would be tempted to fix it when it malfunctioned.
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Old 05-21-2008, 12:23 PM
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I bought a Poulan Wild thing saw .

its named right pull & Pull & Pull & Cusss

Pull & pull & pull & Cuss!!! the start cord would wrap up inside!

Pull & pull & pull & Cuss!!! the choke lever falls off!!!!

Pull & pull & pull & Cuss !!!screw it I threw it @ the stump of the last tree I ever cut & busted the fuel tank !

I 'll never buy another saw unless its a Stihl or Huskavarna

NEVER NEVER EVER NEVER



RRRRRRR



R
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