7mil vs 10mil pricing

[BeeCanBanshee]

Ok so I've tried researching the price differences but all I can find is people saying they heard it costs the same. So my question is what exactly is the pricing. Is buying 10 mil cub cylinders and having them ported the same as having my stock cylinders ported for a 7mil? Is 7 and 10mil case trenching the same? 7 and 10mil cranks the sane price? I wanted to do a 7mil stock cyl. But if it is really the same price as a 10 I might as well. And if it makes a difference I am wanting to do a drag port on alky on whichever I go with.

[Lowflyin]

I usually see 7mils as drag bikes, now that I think about it, not sure I've ever seen a 7mil duner/play bike.

 

7 and 10 both require case trenching so might as well go 10

 

 

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[dozer]

Cameron at redline can build a nasty 7mm stock cylinder drag motor. sooner or later im gona have him build me one.

[BeeCanBanshee]

That's who I want to get my work done by. And yea both need trenching but I'm looking at overall cost. I already have ported cylinders that I can have reworked for the 7mil and I also already have a cool head. So it seems to me to be more cost effective to do the 7 rather than buy 10 mil cylinders and have them ported and have to use a different head unless a cool head for stock cylinders fits cub cylinders. I just to see if I'm thinking straight on this.

[BeeCanBanshee]

And also if I decide to do the 7mil I have seen stock heads milled to fit cool head domes who does this? And is it worth it or should I just stick to the cool head.