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11-23-2004, 06:58 AM
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May purchase new ZZ4 block for 383
I am building up a 383 - I have a few questions regarding a new ZZ4 block which I can get for $730.
1- Will this block bolt up to my 1969 muncie M20 with not problems? 2- How much HP will this support? 
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11-23-2004, 08:12 AM
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as long as the bellhousing is chevy bolt pattern. ZZ4 block is a great starting place.
check into making sure you have a manual crankshaft,some crankshafts have no provision for the input shaft. 4 stud mains, with arp fasteners,is the way to go. dont forget to arp the rod bolts too. that should be tuff enough for any street driving. safe @ 450-550w/N2o fly hp and 6500rpm, which is what a hydraulic lifter pushrod engine should be ending at anyways. dont LOL
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11-23-2004, 05:32 PM
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Yes, with the proper bellhousing it will mate to a Muncie. The ZZ4 block is a good place to start, 4 bolt mains and high nickle alloy. Is it a bare block?
Vince
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11-25-2004, 02:38 AM
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Make sure it has the proper hole for the clutch linkage ball pivot.
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11-29-2004, 07:04 AM
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So do they make different ZZ4 blocks? 302/z28 you mention to make sure it has the proper clutch linkage ball pivot hole tapped - whould I find a ZZ4 block without this?
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11-29-2004, 11:15 AM
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I'm sorry this is a off topic, but where are you getting this new zz4 block for 730 bucks. I WANT IN!!!
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11-29-2004, 11:17 AM
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From a chevrolet dealer in Long Isalng, NY.
Why, is this a good price? I have not price hunted that much yet but this seems pretty average.
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