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How do you come to this conclusion? His lower level head has the pushrod pinch. The higher level has the pushrod moved as well as the intake valve. The intake side is pretty good. I don't remember the exhaust port being raised like the W2, not sure. Thing is Rod does not make any of the...

W2 WCR Heads, 13.5:1 CR. JE Pistons 580GP on the pump 20 years ago. 3,400 car 10.6 on motor. 9.9 on 175 nos.

I think as with any head cam profile comes into play. And just like any serious builder many cams are tested. All of a sudden one outshines the others. BPE heads are not W7 or better. But, for a ported casting pretty good. Extra money for intake and rockers is necessary for his relocated...

I turned a 378 8,500 every pass with 360 mains and full groove mains. On 360's I use hv pump. The ps oil galley was tubed and ds blocked at #1 main. #2 and #4 cam journals grooved to oil constant. Then a 66 holley jet in deck. Harlond sharp rockers. Never had an issue.

I bolt my pickup under the factory main bolt. Had to touch up the hole in tab as it would not clear the 1/2" bolt.

Problem is generally people assume W9 is better than W8 just because the number is larger. WRONG Then if you have a W9 that can be used on a 59 degree block you are backing the truck way way way up. The improvements made with the Arrington's, W7's, W8's and W9's were in the port spacing...

I don't want to belittle or bash anyone.........BUTTT Come on you can't run a 1008 if the O-ring in the block diameter is not larger than the one in the gaskets. If you plan an O-ring job and do it with the intention of using the 1008 that is fine. But, 99 times out of 100 that wire aint in...