**600hp sbm block limit? Or is it bs!!**

Mad Dart said
Mine will be street/strip. Drive to the track, nock off an 8.50 at 160mph then drive it home at 1800rpm with my 2.76 or 2.94 gears in the rear :D

That Girdle MRL is selling looks noting like the hughes girdle...........The contact area on the Caps is probably less than 1/2 on the hughes part.
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I have Mikes main caps and hughes girdle, contact area is same as that girdle in his picture. The caps make the difference on the contact area, not the girdle. You are correct when using stock caps, but in that case it wouldn't matter whos girdle is used.