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The Terminator
Engine/Tuning
BOSS 5.0 iron block?
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<blockquote data-quote="Helomech74" data-source="post: 11091818" data-attributes="member: 66460"><p>I know this is an old thread, but just to clarify the bearing issue, the Boss block uses Windsor bearings. So, any 5.4 iron block bearing will work. I personally use ACL 5M7296H series bearings. I buy them coated from Calico coatings directly. </p><p></p><p>One other thing to look out for on the blocks are misaligned main caps (one of the reasons Roush no longer does the finishing machine work on these blocks) and cracks along the pan rail that extend up the side of the block. I've experienced both already and I know of one other person that had an issue with cracking as well. </p><p></p><p>Other then that, I've got two of the blocks (one is a 305ci and the other is a 327ci). The smaller motor is a stock stroke motor in an 88 Coupe with an F2M Procharger and the larger motor is running a custom billet crank and billet I beam rods with custom spec Manley pistons. The motor is built, but the car isn't finished yet.</p></blockquote><p></p>
[QUOTE="Helomech74, post: 11091818, member: 66460"] I know this is an old thread, but just to clarify the bearing issue, the Boss block uses Windsor bearings. So, any 5.4 iron block bearing will work. I personally use ACL 5M7296H series bearings. I buy them coated from Calico coatings directly. One other thing to look out for on the blocks are misaligned main caps (one of the reasons Roush no longer does the finishing machine work on these blocks) and cracks along the pan rail that extend up the side of the block. I've experienced both already and I know of one other person that had an issue with cracking as well. Other then that, I've got two of the blocks (one is a 305ci and the other is a 327ci). The smaller motor is a stock stroke motor in an 88 Coupe with an F2M Procharger and the larger motor is running a custom billet crank and billet I beam rods with custom spec Manley pistons. The motor is built, but the car isn't finished yet. [/QUOTE]
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BOSS 5.0 iron block?
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