Quote:
Originally Posted by petey-pablo
Well Lets hope it doesn't leak anymore. There is a difference in both of those gaskets besides what you mentioned. The one on the TOP is the one I used Z1210 , and the one on the BOTTOM is the one you suggested I use correct for aluminum intakes Z1212. If it were to ever leak again I am hoping it never does but if it did . Would I have a problem useing the Z1212? Because of the two differences in the metal squares? Why does the Z1212 have a hole in the middle of the little metal squares? Does this matter? How would this Affect my motor/intake manifold ? Would there have been a specific reason the mechanic who put the motor together used this gasket to began with, Because of the little differences in the metal tabs? Man I think this is getting complicated for me,Can anyone explain the two differences to me. I am just trying to understand the two like I stated above I have never done anything like this before and just in case it ever does leak again and I have to change it again. I can change it useing the correct gasket that you mentioned without haveing to worry about the differences in the metal tabs? Thanks for the help and sorry for all the questions.
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The heat riser passage is insignificant imho and I would just whatever is supplied with gasket.
I guess some mechanics will use whatever is available and maybe he didn't know any better I dunno.
Ask Edelbrock or any engine builder for their honest opinion on the matter but if you really think about it how well will an aluminum intake compress a steel gasket?
Also sometimes steel head gaskets are used on aluminum heads but it will indent a ring on head where the steel is around combustion chamber and of course the bolts on heads are torqued much higher than intakes too.