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05-12-2006, 01:47 AM
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#1 |
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Registered User
Join Date: Nov 2005
Location: San Jose, California
Posts: 167
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ZZ3 vs. ZZ4
What's the difference? From what I can find online they are basically the same, within 5 HP and the ZZ4 is just newer with a few differences? Anyone? I have a chance to buy a ZZ3 for a real good price.....so I'm trying to get some info.
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05-14-2006, 05:31 PM
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#2 |
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Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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Re: ZZ3 vs. ZZ4
ZZ4 uses LT4 valve springs/retainers & powdered-metal rods, while the ZZ3 used an older-design damped valve spring and forged "pink" rods. The pistons are a little different, but I think it's only in weight. Both use flat-tops, and they both have the same camshaft. Get it before it goes away.
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05-15-2006, 12:57 AM
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#3 |
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I'm back with 2nd truck!
Join Date: Feb 2002
Location: Texas
Posts: 3,774
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Re: ZZ3 vs. ZZ4
I've got a ZZ4 and love it. Can't beat them and if you can get a ZZ3 for a good price I would get it!
__________________
1979 Chevrolet Bonanza Big10 "Tootsie Roll" 1985 Chevrolet Silverado (wife's) Member of the Southern Bowties Club "Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson |
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05-16-2006, 08:53 AM
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#4 |
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STILL PLAYS WITH TRUX
Join Date: Nov 2002
Location: Melbourne, Fla.
Posts: 2,764
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Re: ZZ3 vs. ZZ4
The main differance in the two is the zz3 has steel heads and the zz4 has aluminum heads.
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