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The Terminator
Engine/Tuning
Windsor block vs Romeo questions
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<blockquote data-quote="SlowSVT" data-source="post: 12368801" data-attributes="member: 20202"><p>Compared to a lot of push rod V8's the amount of power the factory mod blocks can hold is very impressive. Bottom end failures are almost unheard of and when you consider anyone even of modest resources can and do build 800+ hp 4.6's. A cross bolt main block is a far cry from a traditional 2 or 4 bolt main cap especially with regard to the caps moving around on the block. Neither the Romeo or the Windsor block side bolting method are as good as the aluminum 4.6 and the iron Boss 5.0 block solid mated side contact caps. If you are making enough power where the integrity of the Romeo block is an issue you will have a lot more to worry about than just the block. An SVT engineer stated the Romeo block is "good" to about 1200 hp. My question would be "for how many seconds?"</p><p></p><p>If you’re still not comfortable with what you have I would consider the iron Boss 5.0 block which is more or less a big bore aluminum 4.6 block. </p><p></p><p>Windsor dowel pins</p><p></p><p><img src="http://image.mustang50magazine.com/f/9325565/138_17z+ford_mustang_gt+block.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>Romeo jack screws</p><p></p><p><img src="http://i81.photobucket.com/albums/j215/SlowSVT/46Romeoenginejackscrew4.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://i81.photobucket.com/albums/j215/SlowSVT/46Romeoenginejackscrew5.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p></p><p>Iron Boss 5.0</p><p></p><p><img src="http://i81.photobucket.com/albums/j215/SlowSVT/Boss50blockmainbearingbilkhead6.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://i81.photobucket.com/albums/j215/SlowSVT/Boss50blockmainbearingcapinterface2.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="SlowSVT, post: 12368801, member: 20202"] Compared to a lot of push rod V8's the amount of power the factory mod blocks can hold is very impressive. Bottom end failures are almost unheard of and when you consider anyone even of modest resources can and do build 800+ hp 4.6's. A cross bolt main block is a far cry from a traditional 2 or 4 bolt main cap especially with regard to the caps moving around on the block. Neither the Romeo or the Windsor block side bolting method are as good as the aluminum 4.6 and the iron Boss 5.0 block solid mated side contact caps. If you are making enough power where the integrity of the Romeo block is an issue you will have a lot more to worry about than just the block. An SVT engineer stated the Romeo block is "good" to about 1200 hp. My question would be "for how many seconds?" If you’re still not comfortable with what you have I would consider the iron Boss 5.0 block which is more or less a big bore aluminum 4.6 block. Windsor dowel pins [img]http://image.mustang50magazine.com/f/9325565/138_17z+ford_mustang_gt+block.jpg[/img] Romeo jack screws [img] http://i81.photobucket.com/albums/j215/SlowSVT/46Romeoenginejackscrew4.jpg[/img] [img] http://i81.photobucket.com/albums/j215/SlowSVT/46Romeoenginejackscrew5.jpg[/img] Iron Boss 5.0 [img] http://i81.photobucket.com/albums/j215/SlowSVT/Boss50blockmainbearingbilkhead6.jpg[/img] [img] http://i81.photobucket.com/albums/j215/SlowSVT/Boss50blockmainbearingcapinterface2.jpg[/img] [/QUOTE]
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