at what power level or et's are blocks splitting with solid mounts? i agree a turnbuckle is a good idea, i run a chain on my 500+hp 72 firebird due to the weak style mounts it has along with home made beefier mity mounts.
however this is the street section & i doubt he is making big enough hp or heavy racing to split the later style 1976 block since he didnt mention that was his concern for the poly mounts. & being he already bought them & is asking for suggestions from others that have actually used them, hopefully he can get some feedback related to his question.
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