ZZ4 Engine
01-30-2008, 12:09 PM
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ZZ4 Engine
I read somewhere that the ZZ4 engine use the same block as the 350 in the I IROC. 
Is this true? 
Reason I am asking is if I have to replace my block I can just get the ZZ4 block as a replacement. Thanks 
Is this true? Reason I am asking is if I have to replace my block I can just get the ZZ4 block as a replacement. Thanks 
01-30-2008, 02:00 PM
#2
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Car: 87IROC, 740iBMW, 328iBMW, 86GMC
Engine: 5.7, 4.4LV8, 2.8, 6.0
Transmission: Manuals & Auto's
Axle/Gears: 3.27, 3.42
Re: ZZ4 Engine
Review the spec's in the attachment. The diff is that your IROC's block probably has only two bolt main caps.
http://paceperformance.com/index.asp...D&ProdID=22861
http://paceperformance.com/index.asp...D&ProdID=22861
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