W7 INFO

rumblefish360 said
@yellow rose

Ive heard the same thing about the 7 head.
On the W5. The porosity issue is worse than you state via most every owner of a 5 head I met. (Not internet speaking with)
And 3 people here that wished me luck with the 5 head.

When Brett Miller ported my heads he told me he tried to weld them but could not due to the crap aluminum used by the foundry screwing Chrysler like a 50 ***** on a cross country train ride. (And with many stops!) Epoxy was used and the porting stopped.

Also, are not the 5 head stands milled or is this a partial IYO?
View attachment 1715452530 View attachment 1715452531

In that bottom picture you have a good shot of the rocker block mount. When you mill that off far enough to get a Jesel or T&D system in there, it's very weak. That's one reason why I kept on working with the Chrysler system, as I'd seen some failures with the spring loads and RPM I was using when milling them down.

I'll go out in a bit and take a picture of the W7 mounts and you can see the difference.

Not many bracket guys were shifting at 85-8800 with 340 on the seat. I'm the odd duck.