Need Opinions with Valve size... Check this out

I have been working on a single port on my e7's for awhile. I've been trying all the tricks that Mouse's site has shown. I also have a bench to measure my progress.
As you can imagine, on any bench there are extra parts laying around. Well today while getting the valves and checker springs ready, I accidentily grabbed a 1.90 tapered stem intake valve from a set of Edelbrock heads I was testing.
It was during this test I thought I was a porting god. Here is why...
1.78 valve
.1----59
.2----120
.3----142
.4----173
.5----195
.6----201

These numbers have fluctuated a bit with the removal of material... some go higher, some go lower. It sucks. But that is my latest flow job.

Here are the number from my accidental valve... nothing else, just the valve

1.90 valve

.1----78.2
.2----139
.3----160
.4----190
.5----211
.6----215

You can see why I about fell over. Now the question is... Is it worth it anymore to put bigger valves in Iron heads? It's so cheap to get aluminum heads now, that I'm having a hard time justifying the $400 in valves and machinework to do the job. The only reason I somewhat wanted to keep the E7's in the first place was to say I'm using E7 heads when people are wondering how you made as much power as you did.

<font size=-1>[ This Message was edited by: Boss50 on 2/23/05 5:58am ]</font>

<font size=-1>[ This Message was edited by: Boss50 on 2/23/05 6:00am ]</font>

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<font size=-1>[ This Message was edited by: 393Clevor on 2/23/05 6:18am ]</font>

<font size=-1>[ This Message was edited by: 393Clevor on 3/10/05 3:56am ]</font>

Nice portwork.
Have you had them flowed yet? Is it worth the money, or would you save up a few hundred dollars more and get a set of heads that no E7 could ever match?

I paid 100.00 for the valves E-bay and it cost me 300.00 at the machine shop for all the work. cut the seats and bowls, planed the heads.020, plane stud bosses and tap for screw in studs, new freeze plugs, set up the springs to hight and did a three angle valve job.
[addsig]

I have maybe $500 in my 70 351w heads with flow testing.new parts and porting

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<font size=-1>[ This Message was edited by: tonys10sec306 on 2/24/05 8:39pm ]</font>

I picked up a great set of tfs tw heads with rockers for 800$... How can anyone justify the money spent on iron heads nowadays.. maybe I should start a new topic about this.

clevor where did you get that deal that sounds cheap
fore machine work hook me up with that guy
[addsig]

All the big valve stuff I tried netted little gain compared to the larger volume ports. Nice numbers. ports.http://hometown.aol.com/valakoracehe...infoindex.html

<font size=-1>[ This Message was edited by: JimV on 3/4/05 7:47am ]</font>